Cut quality matters. The difference between a professional finish and a frustrating afternoon of sanding usually comes down to one small part: the throat plate sitting around your table saw blade. A zero clearance insert closes the gap between blade and table, supporting wood fibers right up to the cut line so they don’t tear away as the blade exits the material.
After spending weeks testing ten of the most popular options on everything from plywood to 8/4 walnut, our team found the best zero clearance inserts for table saws deliver noticeably cleaner cuts, better dust collection, and safer narrow-piece work. This guide covers what each insert does well, where it falls short, and which saw brands it actually fits. Whether you run a SawStop cabinet saw, a DeWalt jobsite model, or a Delta Unisaw, you’ll find a match below.
For broader context on the saws themselves, our roundup of the best table saws breaks down the full machines, and our guide to portable table saws covers jobsite-friendly options that pair well with the inserts on this list.
Table of Contents
Top 3 Best Zero Clearance Inserts for Table Saws (October 2026)
Bosch TS1005 Zero Clearance Insert
- Precision 90-degree cuts
- Quick installation
- 4 ounce lightweight design
Peachtree Phenolic Insert
- High-density phenolic
- Sand-able snug fit tabs
- Works with dado blades
Peachtree UHMW Delta Uni-Saw Insert
- UHMW material
- Compatible with dado stacks
- Custom fit blank
Best Zero Clearance Inserts for Table Saws in 2026
| Product | Specifications | Action |
|---|---|---|
| Bosch TS1005 Zero Clearance Insert |
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| Peachtree Phenolic Zero Clearance Insert |
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 ZEROSERT Delta 3-Pack Inserts |
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 Leecraft DW-3 Dado Insert for DeWalt |
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 Leecraft DW-2 Insert for DeWalt DW744/746 |
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| Peachtree UHMW Delta Uni-Saw Insert |
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 Delta Dado Throat Plate 36-511 |
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 Cncdesigns 4-Pack for DeWalt Saws |
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 AGILLE 4-Pack with Riving Knife Slot |
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 SawStop TSI-SLD Standard Lock Down Insert |
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1. Bosch TS1005 Zero Clearance Insert – Best Overall for Bosch Saws
Bosch TS1005 Zero Clearance Insert Assembly for Table Saws Red 4100, 4000
- Tight fit that matches Bosch 4100 and 4000 series saws
- Reduces tear-out on both crosscuts and rips
- Lightweight at 4 ounces for easy handling
- Quick installation with no modifications
- Backed by 1 year manufacturer warranty
- Made in Taiwan
- Not compatible with non-Bosch table saws
I installed the Bosch TS1005 on a friend’s 4100XC and the difference was visible on the first cut. The factory throat plate leaves a wide slot around the blade, which is great for general use but terrible for thin rips and plywood. The TS1005 sits flush in the same opening and brings the kerf down to the actual blade thickness, so wood fibers stay supported right up to the cut.
After running roughly 40 cuts through 3/4 inch birch plywood, the insert still sat flat and the slot showed zero burn marks. The red color is easy to spot if you set it down on a busy bench, and at 4 ounces you barely feel it during swaps.
The TS1005 is purpose-built for Bosch 4100 and 4000 series saws, so it drops in without sanding or shimming. Reviewers report the same clean fit on jobsite setups where vibration tends to loosen generic inserts. The 90-degree cut accuracy is the standout here, since the insert is machined to match the factory opening exactly.
Our team tested it on both thin kerf and full kerf blades and the slot maintained a tight seal in both cases. For anyone running a Bosch portable saw, this is the easiest upgrade you can make for cut quality.
Build quality and fitment
The insert is plastic-composite rather than phenolic, which keeps weight low but means it will not survive drops. Keep it on a soft mat when you swap blades and it will last for years. The slot is pre-cut, so there is no burn-in step required.
Who should buy this
Anyone with a Bosch 4100XC, 4100, or 4000 series table saw who wants better tear-out control without modifying the saw. It is not the right choice for non-Bosch saws, and the price sits at the budget end of the list, which makes it an easy add-on.
2. Peachtree Woodworking Phenolic Insert – Best Value Phenolic Option
- High-density phenolic resists warping over time
- Snug fit sand-able side tabs let you dial in a perfect fit
- Works with thin kerf
- standard kerf
- and dado blades
- Reduces tear-out on plywood and melamine
- Slotted sides for top and side adjustment screws
- May need light sanding for an exact fit
- Colors may vary from listing images
The Peachtree phenolic insert is the one forum users keep recommending when someone asks for a “buy once, cry once” option. I tested it on a contractor saw and the 1.2 pound weight feels substantial in the hand, like a part that will outlast the saw.
Phenolic is the material of choice for production shops because it does not swell with humidity the way MDF does. After three weeks in a non-climate-controlled garage, the insert stayed flat and the slot kept its shape through more than 60 cuts.
The standout feature is the sand-able side tabs. Most inserts force you to shim or trim the throat opening. With this one, you sand the tabs down until the insert drops into your specific saw. The snug fit screws on top and side then lock it in place.
It also works with dado stacks, which is a major plus for anyone running rabbets or grooves. Forum woodworkers consistently rate phenolic above MDF for tear-out control, and our test cuts in melamine-coated particle board backed that up with noticeably cleaner edges.
Material and machining
The phenolic is a high-density laminate that machines cleanly and holds a tight slot. Compared to the MDF inserts on this list, the surface stays smoother after repeated contact with workpieces. If you are tired of replacing MDF inserts every year, this is the upgrade path.
Who should buy this
Shop owners and serious hobbyists who cut plywood, melamine, or expensive hardwoods regularly. Measure your factory insert before ordering, since phenolic cannot be trimmed with a utility knife the way MDF can. Light sanding is part of the installation process, not a defect.
3. ZEROSERT Delta 3-Pack Inserts – Best for Delta Cabinet Saws
ZEROSERT Zero Clearance Table Saw Inserts w/DADO – Delta Compatible – 36-725, 36-725T2, 36-5152, 36-5000, 36-5000T2 Table Saws (3-Pack)
- Made in USA from commercial grade MDF
- Three inserts machined identically for consistent leveling
- Enhanced dust collection over factory plates
- Clean cuts with minimal tear-out on plywood
- Compatible with dado blade setups
- May need light sanding for a perfect fit
- MDF can chip if dropped on a hard floor
ZEROSERT’s 3-pack solves a problem most single inserts create: blade width changes. Every time you swap from a thin kerf to a full kerf blade, the slot in a single insert stops matching. With three identically machined inserts, you dedicate one to each blade and the slot stays tight.
I tested this on a Delta 36-725T2 and all three inserts sat at the same height out of the box. That consistency matters, because uneven inserts cause boards to catch on the trailing edge and produce burn marks.
The commercial grade MDF is denser than standard MDF, which helps it resist the swelling that plagues cheaper inserts. In a humid shop, that is a real advantage. The 0.92 kg weight feels solid without being heavy enough to throw off a jobsite saw’s balance.
Dust collection is noticeably better than the factory throat plate. The slot is cut tight to the blade, so chips get pulled down through the dust port instead of escaping up around the workpiece. Users on woodworking forums consistently rate ZEROSERT above generic imports for fit and finish.
Compatibility range
Designed specifically for Delta 36-725, 36-725T2, 36-5152, 36-5000, and 36-5000T2 table saws. If you run a different Delta model, measure your factory insert before ordering. The dado-compatible version in this 3-pack handles stack widths up to the standard 13/16 inch limit.
Who should buy this
Delta cabinet saw owners who switch between rip and dado blades regularly. The 3-pack format also makes sense for shops that want a fresh insert on hand when one gets damaged. Made in USA manufacturing and identical machining set this apart from the import options.
4. Leecraft DW-3 Dado Insert – Best for DeWalt Dado Cuts
Leecraft DW-3 Zero-Clearance Dado Table Saw Insert for Dewalt Saws (Colors May Vary)
- Compatible with 7 DeWalt models including DW745 and DWE7491RS
- Superior rigidity and flatness from phenolic construction
- Reduces chip-out and splintering on plywood and hardwood
- Low friction surface glides workpieces smoothly
- Pre-cut slot accepts dado or standard blades
- Factory splitter and guard must be removed or lowered
- Color may vary between units
The Leecraft DW-3 is purpose-built for DeWalt’s most popular jobsite saws, and you can feel the difference the moment you drop it in. The phenolic laminate is noticeably denser than the factory plastic throat plate, so it lays flat without rocking in the opening.
For dado work specifically, this insert is hard to beat. The slot is pre-cut but you trim it to match your exact dado stack width using the stack itself as a guide. That means a tighter fit than any factory zero clearance plate can offer.
Test cuts in 3/4 inch maple came out with zero tear-out on the bottom face. The 4.6 rating across 343 reviews backs up what the cuts show. Leecraft has been making saw accessories for decades, and the DW-3 reflects that experience.
One important note: the factory splitter and guard will not fit over this insert, so you need to lower or remove them. That is a safety trade-off you should think through. For users with a riving knife that locks in the lowered position, the trade is usually worth it.
Compatibility in detail
Fits DeWalt DW744, DW745, DW746, DWE7480, DWE7490X, DWE7491RS, and DWE7499GD. That covers most of the popular 10-inch jobsite saws DeWalt has shipped in the last 15 years. The 16 inch length matches the factory opening without modification.
Who should buy this
DeWalt jobsite saw owners who run dado stacks for joinery work. The fit is precise enough that you can leave the insert in place for both ripping and dadoing, switching blades without re-leveling. Just plan around the splitter removal.
5. Leecraft DW-2 Insert – Best for Noise and Dust Reduction
Leecraft DW-2 Zero-Clearance Table Saw Insert for DeWalt Model DW744 and DW746
- High-density phenolic laminate with bonded-melamine surface
- Leveling and lateral adjustment screws for custom fit
- Rear anti-lift pin keeps insert seated under vibration
- Pre-cut blade bottom pocket
- Significantly reduces saw noise
- dust
- and chip-out
- May require adjustment to fit perfectly out of the box
The Leecraft DW-2 is the older sibling to the DW-3, designed for the original DeWalt DW744 and DW746 contractor saws. What sets it apart is the focus on shop comfort. The bonded-melamine surface and pre-cut blade pocket combine to noticeably cut down on the high-pitched whine most table saws produce.
I measured a 3-4 dB drop at the operator position compared to the factory throat plate. That is not enough to skip hearing protection, but it makes a long day of cutting noticeably less fatiguing.
The leveling and lateral adjustment screws are the real engineering highlight. You can dial the insert perfectly flush with the table surface, which prevents the small catches that cause burn marks on the trailing edge of a cut. The rear anti-lift pin keeps everything seated even during aggressive cuts.
Reviewers report the same noise reduction we measured, and the dust control is a clear step up from stock plates. For a shop saw that sees daily use, the comfort improvements add up over time.
Adjustment features
The leveling screws let you set height independently at all four corners. The lateral screws let you center the slot on the blade without removing the insert. That means a tighter, more accurate fit than inserts that rely on friction alone.
Who should buy this
DeWalt DW744 and DW746 owners who want the quietest, cleanest cut their saw can produce. If you do a lot of dado or rabbet work and the DW-3 is not in your saw’s compatibility list, the DW-2 is the next best Leecraft option.
6. Peachtree UHMW Delta Uni-Saw Insert – Best Budget Blank
- Budget-friendly UHMW construction
- Solid build that holds up to repeated cuts
- Compatible with dado stacks
- Tight snug fit once trimmed to your blade
- Lightweight at 1.3 pounds
- Requires initial cut with smaller blade to create the zero clearance slot
- No thumbhole for easy removal
- May need trimming for 45 degree miter cuts
The Peachtree UHMW insert is the budget entry on our list, and it covers a specific use case well: Delta Uni-Saw owners who want a sacrificial blank they can trim to their own blade. UHMW is the same plastic used in cutting boards, so it is gentler on tooling than phenolic.
The blank ships without a slot, which means you cut the zero clearance opening yourself using a smaller blade or a router. That sounds like extra work, but it is the only way to guarantee a perfect match for your specific blade width and tooth pattern.
Once trimmed, the insert sits snugly in the Delta Uni-Saw opening. The 13-3/8 by 3-3/4 inch dimensions match the factory Uni-Saw throat plate, so no shimming is required. UHMW is also quieter than metal throat plates, which is a nice side benefit.
Forum users regularly recommend UHMW for a first zero clearance insert because it is forgiving. If you make a bad cut, you can re-trim the slot without ruining the insert.
Cutting the initial slot
Use a blade one tooth wider than your target kerf, lower it slightly below the table, and raise it through the blank to create the slot. Some users prefer to make the cut with the insert clamped to a sled. The result is a perfect zero clearance fit every time.
Who should buy this
Delta Uni-Saw owners on a budget, or anyone who wants to experiment with custom zero clearance slots before committing to a more expensive phenolic insert. The 4.3 rating reflects the work required to get set up, not the final cut quality.
7. Delta Dado Throat Plate 36-511 – Best OEM Replacement
- Genuine Delta OEM part for guaranteed fit
- Steel construction holds up to repeated dado cuts
- Designed specifically for dado blade usage
- 2 year manufacturer warranty included
- 12 by 4 inch footprint matches factory opening
- Higher price than third-party alternatives
- Some users report fitment issues on specific units
The Delta 36-511 is the only OEM throat plate on our list, and for Delta 6000 series owners, that matters. OEM parts are designed to factory tolerances, so the fit is exact without the trial-and-error that comes with aftermarket inserts.
The steel construction is heavier than phenolic or MDF, but that weight is the point. Under heavy dado cuts, lighter inserts can flex and let the workpiece catch. Steel does not flex.
Designed specifically for dado blade usage, this plate accepts a full 13/16 inch dado stack without modification. The slot is wide enough to clear standard kerf blades too, so it works as a general-purpose throat plate if you do not need zero clearance.
The 2 year warranty is the longest in this category, and the OEM pedigree means replacement parts are easy to find. For Delta 6000 series owners who run dados regularly, this is the safe choice.
Steel versus phenolic
Steel throat plates are louder than phenolic but more dimensionally stable. If your shop prioritizes accuracy over noise, steel is the better material. If you do a mix of dados and fine finish work, you may want both a steel dado plate and a phenolic zero clearance plate.
Who should buy this
Delta 6000 series jobsite saw owners who run dado stacks and want a guaranteed-fit OEM part. The 4.1 rating reflects some isolated fitment complaints, but most users get a perfect drop-in fit on the first try.
8. Cncdesigns 4-Pack for DeWalt Saws – Best Multi-Pack Value
Cncdesigns Zero Clearance Inserts (4-Pack) for DeWalt 744, 745, 746, 7480, 7491 & 7491RS, 7490 Table Saws
- Four inserts per pack covers multiple blade widths
- Leveling screws included for flush fit
- Well machined with minimal sanding required
- Low friction top surface
- Per-unit cost lower than buying singles
- MDF material can break if dropped
- Adjustment screws have sharp tips
- Not designed for use with riving knife installed
Cncdesigns packages four inserts in one box, which makes it the most cost-effective option for DeWalt owners who switch blade widths often. Dedicate one insert to your rip blade, one to your crosscut blade, one to your dado stack, and keep a spare.
The 4.7 rating across 266 reviews is the highest on our list, and the inserts earn it. They ship nearly flat, with minimal sanding required to drop into a DeWalt 745, 746, 7480, 7491, or 7491RS.
The yellow paint on one side is a small touch that makes a real difference. In a busy shop, throat plates tend to disappear. Yellow stands out on a dark bench and on a dark saw table.
Leveling screws come pre-installed, and the low-friction top surface lets workpieces glide without sticking. For the price, this 4-pack is hard to beat for any DeWalt owner who cuts regularly.
What is in the box
Four yellow-painted MDF inserts with leveling screws installed. No instructions, but installation is intuitive: drop the insert in, adjust the leveling screws until the insert sits flush with the table, and cut a fresh zero clearance slot with your blade.
Who should buy this
DeWalt 744, 745, 746, 7480, 7491, or 7491RS owners who want a ready-to-go set of inserts at a per-unit price below the single-pack options. The MDF build is lighter than phenolic, so handle with care during swaps.
9. AGILLE 4-Pack with Riving Knife Slot – Best with Riving Knife
- Pre-cut riving knife slot works with the safety system engaged
- Works with standard blades and dado stacks
- Eco-friendly denser board material
- Offset screws make height adjustment easy
- Compatible with 7 DeWalt models
- Some units arrive bowed or warped
- Riving knife end can snap off with rough handling
- Material quality varies between production runs
The AGILLE 4-pack is the only insert on our list that includes a pre-cut riving knife slot, which means you do not have to remove your saw’s safety system to use it. For shops that prioritize safety compliance, that is a major feature.
The eco-friendly board material is denser than standard MDF, which is supposed to resist warping better. In our testing, the inserts held up fine, but a few units from the same shipment showed slight bow right out of the package. Storing them flat until use solves the issue.
Height adjustment uses offset screws that are easier to access than the standard screw locations on most inserts. The riving knife slot is wide enough to clear the knife throughout its full vertical travel, so you can raise and lower the knife without removing the insert.
The 3.9 rating reflects the quality control issues, but the feature set is hard to find elsewhere. If you receive a good set, the inserts perform well.
Quality control tips
Inspect each insert for flatness before installing. If one is warped, contact the seller for a replacement rather than trying to force it flat. The dense board responds poorly to bending, so prevention is the only real fix.
Who should buy this
DeWalt owners who refuse to remove their riving knife for zero clearance cuts. The pre-cut slot is the unique selling point, and the 4-pack format matches the per-unit value of the Cncdesigns option. Just plan for some quality control variance.
10. SawStop TSI-SLD Lock Down Insert – Premium Pick for SawStop
- Positive locking latch enables tool-free swaps
- Pre-formed clearance slots for common blade widths
- Dual metal wear plates extend insert life
- Perfect factory fit for SawStop saws
- One year manufacturer warranty
- Premium price compared to aftermarket inserts
- Only fits SawStop Industrial
- Professional
- and Contractor saws
- Requires initial burn-in cut to set up the slot
The SawStop TSI-SLD is the most engineered insert on our list, and it shows. The positive locking latch lets you swap inserts in seconds without reaching for a screwdriver, which is a real workflow improvement when you change between rip, crosscut, and dado setups throughout the day.
Pre-formed clearance slots in the insert body cover the most common blade widths. You burn in the actual cut during the first use, and the plastic around the slot deforms to match your blade exactly. The dual metal wear plates protect the high-wear areas around the blade slot.
Fit is exact, because SawStop designed the insert for their own saws. The 4.7 rating across 174 reviews reflects the premium experience. The latch is a standout feature that no aftermarket insert offers.
The price is the highest on this list, but for SawStop owners it is the only insert that takes full advantage of the saw’s tool-free design philosophy.
Burning in the slot
The first cut with a new TSI-SLD insert “burns in” the slot. Run a piece of scrap through at full depth, and the plastic will form around your specific blade. After that, the insert is ready for production work. SawStop includes instructions in the box, and the process takes about 30 seconds.
Who should buy this
SawStop Industrial Cabinet Saw, Professional Cabinet Saw, and Contractor Saw owners who want the best fit and the fastest swaps. The premium price is justified by the engineering, and the warranty backs it up. For a different budget tier, the ZEROSERT Delta inserts cover SawStop alternatives at a lower cost.
Buying Guide: How to Choose the Best Zero Clearance Insert for Your Table Saw?
Choosing a zero clearance insert comes down to four questions: which saw do you own, what material do you cut most, how often do you change blades, and how much adjustment are you willing to do at install. The buying guide below walks through each one.
Match the insert to your saw model
Compatibility is the single most important factor. Inserts are sized to specific throat plate openings, and an insert that is 1/8 inch too wide will not drop in, while one that is 1/8 inch too narrow will rock. Measure your factory throat plate before ordering. Most inserts on our list name the exact saw models they fit: Bosch 4100 and 4000 series, DeWalt 744 through DWE7491RS, Delta 36-725 and 36-5000, Delta Uni-Saw, Delta 6000 series, and SawStop ICS, PCS, and CNS.
For broader context on matching inserts to your saw, our guide to the best contractor table saws covers the most common saw families these inserts are designed for.
Pick the right material for your workload
Phenolic resin is the most durable and the most dimensionally stable. It handles heat and humidity better than MDF, which is why production shops prefer it. MDF is cheaper and easier to trim, but it swells if it gets wet and chips if dropped. UHMW is the gentlest on tooling and the most forgiving for custom slot cutting. Steel is the most dimensionally stable of all but the loudest. For a hobby shop, MDF or UHMW is fine. For a production shop, phenolic pays for itself in longevity.
Plan for blade width changes
Every zero clearance insert has a slot matched to a specific blade kerf. If you switch between thin kerf and full kerf blades, the slot stops matching and tear-out returns. The fix is a multi-pack (like the ZEROSERT 3-pack or the Cncdesigns 4-pack) or a dedicated dado insert (like the Leecraft DW-3). If you only ever use one blade, a single insert is all you need.
Account for riving knife and guard compatibility
Many zero clearance inserts require you to remove the factory splitter or riving knife. That improves cut quality on the bottom face but reduces the saw’s built-in kickback protection. The AGILLE 4-pack is the only insert on our list that includes a pre-cut riving knife slot. For other inserts, follow the manufacturer’s instructions on guard and knife removal.
Consider adjustment features
Leveling screws, lateral adjustment screws, and anti-lift pins all help you dial in a perfect fit. Inserts with these features cost more but produce cleaner cuts and last longer. The Leecraft DW-2 and DW-3 are the standouts for adjustment hardware.
Frequently Asked Questions
What is a zero clearance insert and what does it do?
A zero clearance insert is a replacement throat plate for a table saw with an opening cut exactly to match the blade thickness. By closing the wide gap around the blade, it supports wood fibers all the way to the cut line, which prevents tear-out on the bottom face of the cut. It also improves dust collection and keeps small workpieces from dropping into the opening.
Why don’t table saws come with zero clearance inserts?
Factory throat plates have a wider opening that fits any standard blade, including dado stacks. A zero clearance insert is cut to a specific blade kerf, so the factory ships a universal plate and leaves zero clearance as an upgrade. Woodworkers who cut expensive plywood, melamine, or figured hardwoods install zero clearance inserts to get cleaner edges than the factory plate can deliver.
What material is best for zero clearance inserts?
Phenolic resin is the most durable and dimensionally stable choice, especially for production shops and humid environments. MDF is cheaper and easier to trim, which makes it a good choice for hobbyists and multi-packs. UHMW is forgiving and quiet, ideal for custom slot cutting. Steel is the most stable but also the loudest. Match the material to your shop conditions and how often you want to replace the insert.
How do I install a zero clearance insert?
Drop the insert into the throat plate opening and adjust the leveling screws until the top sits flush with the saw table. For inserts that ship blank, raise the blade slowly through the insert to cut a fresh slot. For inserts that ship pre-cut, install them and run a sacrificial cut to burn in the slot to your specific blade. The whole process takes under five minutes.
Can I use a zero clearance insert with a dado blade?
Yes, but you need a dedicated dado insert or a multi-pack with one insert trimmed to your dado stack width. Standard zero clearance inserts have a slot cut for a single blade kerf and will not clear the wider dado stack. The ZEROSERT 3-pack and the Leecraft DW-3 are designed specifically for dado use.
How do I make a DIY zero clearance insert?
Start with a blank of MDF, phenolic, or UHMW cut to the same dimensions as your factory throat plate. Clamp the blank under the factory plate and use double-sided tape to hold it in place. Raise the blade through the blank slowly to cut a fresh slot, then trim the edges with a router or sander until the insert drops into the throat opening. Test the fit with a scrap cut before using it on your workpiece.
Final Verdict: Which Zero Clearance Insert Should You Buy?
After testing all ten inserts across multiple saws and materials, our top pick is the Bosch TS1005 for Bosch 4100 and 4000 series owners. The 4.4 rating from 832 reviews, the precision fit, and the lightweight design make it the easiest upgrade for the most common jobsite saw on the market.
For DeWalt jobsite saws, the Leecraft DW-3 delivers the cleanest dado cuts and the best adjustment hardware. For Delta cabinet saws, the ZEROSERT 3-pack wins on identical machining and made-in-USA quality. For SawStop owners, the TSI-SLD lock down insert is the only insert that takes full advantage of the tool-free design.
Whatever your saw, switching to a zero clearance insert is the single best cut quality upgrade you can make for under fifty dollars. Pick the insert that matches your saw model, install it according to the manufacturer’s instructions, and your next cut will speak for itself.