The Tool Desk
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A miter-gauge extension is a straight auxiliary fence fastened to the gauge to support longer workpieces, give you a reference for repeat cuts and provide a sacrificial surface that can be repositioned as it wears. The build described here uses 3/4-inch MDF with a routed mounting slot; the slot and fasteners must be laid out for your actual miter gauge, since there are no universal hole or bolt dimensions.
Why add an extension to a miter gauge?
The short fence supplied with many gauges offers limited support. As WOOD Magazine contributing craftsman and educator Jim Heavey puts it, “The standard miter gauge that comes with your saw is generally a little too small to do anything with.” A longer, straight fence supports the workpiece and offcut, gives you a surface for a stop block, and can help reduce chipout on the back of a cut. A lower-edge rabbet can also provide a place for sawdust.
The fence is sacrificial: the blade may score or cut into it, so it can be shifted to expose a fresh section rather than discarded after one kerf. WOOD Magazine’s adjustable design attaches directly to the miter gauge and moves with it when you change the angle.
Choose the fence style that fits the work
| Design | Attachment and use | Trade-off |
|---|---|---|
| Fixed sacrificial fence | Fastened to the gauge; supports stock and offcuts and can carry a stop block. | Kerfs and wear accumulate in the fence. Fine Woodworking’s 2006 example is about 20 inches long by 2-1/2 inches tall; those are example dimensions, not a universal specification. Fine Woodworking |
| Sliding wear-resistant fence | Moves toward or away from the blade; replaceable hardboard faces provide fresh wear surfaces. | Requires a design that allows the fence to slide and stay secure. WOOD Magazine |
| Miter-gauge-mounted MDF extension | Bolts to the gauge and travels with it; this is the design built below. | Its mounting slot, hardware and clearances must match the particular gauge and saw. WOOD Magazine |
| Table-mounted crosscut platform | A separate plywood support can increase capacity for wider stock. | This is a different project: the platform must be level with the saw table, and its cleats and slot must fit the actual saw. Woodworkers Source describes 3/4-inch-wide by 3/8-inch-deep as a common miter-slot size, not a guaranteed measurement. Woodworkers Source |
Materials and tools
- 3/4-inch MDF for the fence, as used in WOOD Magazine’s adjustable design.
- A router table and a keyhole bit or T-slot bit to form the mounting slot.
- Bolts and nuts compatible with the existing holes in your miter gauge.
- A square and measuring tools for laying out the slot and checking the fence.
- Optional stop block for repeat cuts.
Plywood or stable hardwood can also be used for other sacrificial-fence designs; SawStop lists plywood, MDF and solid-wood cutoffs as possible materials. The material does not remove the need to confirm fit and safe blade clearance.
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#1 Best Overall
VEVOR Precision Miter Gauge, Standard Slot 3/4'' x 3/8'', Aluminum Alloy Table Saw Miter Gauge with 19-35 in Grating 15 Angle Stops Adjustable Spring Loaded Plunger and Removable Disc, for Woodworking
- Fit for Most Table Saws: Our miter gauge is expertly designed to fit the majority of standard table saw slots measuring 3/4 x 3/8 in ( 19 x 9.5 mm). To ensure a perfect match, please measure the slots on your table saw before purchase. Featuring a detachable disc, our miter gauge is compatible with both 3/4" x 3/8" T-shaped and U-shaped slots. Ideal for most table saw brands, and is upgrade for precision woodworking.
- Precision Angle Cutting: Experience cutting precision with our adjustable solid aluminum head, engineered with 15 positive stop holes for ultimate accuracy. One stop hole is set at 90 degrees, with seven additional holes on each side at 15°, 22.5°, 30°, 35°, 45°, 60°, and 67.5° to cover most woodworking angles. For more intricate angle cuts, the gauge adjusts proportionally, allowing you to achieve precise angles efficiently and effortlessly.
- Partially Assembled Components: This miter gauge for table saw is shipped partially assembled to streamline your setup process. When it arrives, you won't need to fuss with numerous small parts. Just attach a few core components, and you're ready to go. It maintains the accuracy of your measurements without the typical assembly hassle.
- Easy Operation, Simple Adjustment: Our table saw miter gauge features a steel miter bar equipped with an adjustable bead spring plunger on the side. When placing the miter gauge in the table saw slot, if you notice any gaps, simply use the included hex wrench to adjust the plunger. This adjustment ensures an ideal fit within the slot, improving wear resistance and simplifying your operations.
- Refined Durability in Every Detail: This precision miter gauge is constructed from aluminum alloy, ensuring durability and resistance to deformation. The 19-35 in retractable grating accommodates more sizes of table saws. The angle plate scale is meticulously etched using laser engraving technology, and the textured metal handle provides a secure grip that avoids slipping.
Build and fit the extension
- Measure the gauge before cutting or routing. Locate its mounting holes and measure their spacing, the available clearance around the gauge body, and where the fence will sit relative to the blade. Choose compatible bolts and nuts from those measurements; the published design does not specify universal hardware or hole dimensions.
- Cut the MDF fence to suit your saw and work. WOOD Magazine’s instructions use 3/4-inch MDF but do not set a universal length or width. Size it to support the workpiece without interfering with the blade, gauge, table or angle settings.
- Lay out and route the mounting slot. Position the slot along the back of the fence so it aligns with the holes in your gauge. Route it with a keyhole bit; a T-slot bit is another option. If the bolt cannot slide through the slot as intended, the WOOD Magazine tutorial says to widen it with another router-table pass.
- Attach the fence with compatible hardware. Pass the bolts through the routed slot and the gauge’s existing holes, then secure them with nuts. Adjust the fence position and tighten it so it stays straight and stable. If your gauge has no mounting holes, do not drill it automatically: first check its construction and the manufacturer’s guidance to determine whether modification is appropriate.
- Check the full range of movement before cutting. With the saw unplugged, move the gauge through the intended positions, including 90- and 45-degree settings. Confirm the fence, fasteners and gauge clear the blade and do not bind, rock or shift.
- Add a stop block if repeat lengths matter. Attach it to the fence where it will register the workpiece without entering the blade’s path. Recheck clearance at the angle and position you plan to use.
Use the fence with the correct blade protection
Set up the guard or riving knife according to the saw manufacturer’s instructions for the specific cut. SawStop notes that when a sacrificial miter-gauge fence is not cut off at the blade, the blade-guard assembly should be replaced with the riving knife for cuts that pass fully through and beyond the blade. Follow the instructions for your saw rather than assuming one guard arrangement suits every operation. SawStop’s miter-gauge fence guidance
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Maintain and reposition the fence
As the blade marks or cuts into the sacrificial face, loosen the mounting hardware and shift the fence to present fresh material, then retighten it and repeat the clearance check. For a design intended to avoid cutting the main fence face, WOOD Magazine’s wear-proof version uses replaceable hardboard faces that slide toward or away from the blade. WOOD Magazine’s wear-proof fence design
Quick Recap
Bestseller No. 4
Best Value
VEVOR Precision Miter Gauge, Standard Slot 3/4'' x 3/8'', Aluminum Alloy Table Saw Miter Gauge with 24 in Grating 15 Angle Stops Adjustable Spring Loaded Plunger and Removable Disc, for Woodworking
- Fit for Most Table Saws: Our miter gauge is expertly designed to fit the majority of standard table saw slots measuring 3/4 x 3/8 in ( 19 x 9.5 mm). To ensure a perfect match, please measure the slots on your table saw before purchase. Featuring a detachable disc, our miter gauge is compatible with both 3/4" x 3/8" T-shaped and U-shaped slots. Ideal for most table saw brands, and is upgrade for precision woodworking.
- Precision Angle Cutting: Experience cutting precision with our adjustable solid aluminum head, engineered with 15 positive stop holes for ultimate accuracy. One stop hole is set at 90 degrees, with seven additional holes on each side at 15°, 22.5°, 30°, 35°, 45°, 60°, and 67.5° to cover most woodworking angles. For more intricate angle cuts, the gauge adjusts proportionally, allowing you to achieve precise angles efficiently and effortlessly.
- Partially Assembled Components: This miter gauge for table saw is shipped partially assembled to streamline your setup process. When it arrives, you won't need to fuss with numerous small parts. Just attach a few core components, and you're ready to go. It maintains the accuracy of your measurements without the typical assembly hassle.
- Easy Operation, Simple Adjustment: Our table saw miter gauge features a steel miter bar equipped with an adjustable bead spring plunger on the side. When placing the miter gauge in the table saw slot, if you notice any gaps, simply use the included hex wrench to adjust the plunger. This adjustment ensures an ideal fit within the slot, improving wear resistance and simplifying your operations.
- Refined Durability in Every Detail: This precision miter gauge is constructed from aluminum alloy, ensuring durability and resistance to deformation. Featuring a convex-concave grating with fine-tuning screws, it allows for manual micro-adjustments to enhance precision. The angle plate scale is meticulously etched using laser engraving technology, and the textured metal handle provides a secure grip that avoids slipping.
Rank #4
WEN Steel and Brass Premium Miter Gauge, 27 Angle Stops for Table Saws, Router Tables, Band Saws, and Woodworking Tools (WA1401)
- Perfect for table saws, router tables, band saws, benchtop sanders, and other woodworking tools
- Heavy-duty steel and brass construction maximizes durability and wear resistance
- Precision-cut miter plate features 27 positive stops
- Universal design compatible with industry-standard 3/4-inch by 3/8-inch miter slots, including WEN models BA1411 Band Saw and the TT0811 and TT1015 Table Saws
- Includes miter bar expansion discs to help eliminate wobble and play, industrial-grade brass lock knobs, laser-etched wear-resistant scale markings, and a two-year warranty
Rank #3
Sale
GOINGMAKE Table Saw Miter Gauge for Table Saw with Micro Adjust Flip Stop
- 【Micro Adjustable Flip Stop with Magnifier Glass】The micro adjustable flip stop of GOINGMAKE miter gauge is rock-solid when locked and accuracy is up to 0.001". Ensure accurate cutting every time. The adjustment is smooth and fluid with minimal backlash. You can easily to read scales and adjust through micro adjust function and magnifier glass. We also support square face and angle faces workpieces with locating pin.
- 【Upgrade Angle Stops with Button and Precision Holes】GOINGMAKE miter gauge is a must have table saw accessories for miter cuts and square cuts. Rapid, precision miter gauge adjustment-set exact angles quickly and accurately for flawless crosscuts and miter cuts. Provides a new precision angle adjust stops with one simple button and position holes. You can easily pull up and rotate the button and turn the protractor. The pin locates your angle you need precisely and lock angles security while you tighten the handle. Provides 13 accurate positive angle stops from -67.5-67.5° and a locking handles. Includes Angle Stops: 90°,67.5°,60°,45°,30°,22.5°,15°,0°,-67.5°,-60°,-45°,-30°,-22.5°,-15°.
- 【Easy to Set Up and Use】GOINGMAKE table saw miter gauge protractor is easy to set up and use. Multifunction micro adjust flip stop is easy to zero calibration and make you can get right 0 position on the miter gauge fence. And you can use the scales on the fence to cut any length you need, you do not have to use a tape and rulers. You can change angles fast and accurate through positioning button and holes for miter cuts and square cuts.
- 【Precision 18 Inch Extruded with mm and inch Scales】GOINGMAKE miter gauge for table saw includes 18 inch precision extruded fence with mm and inch scales. After zero calibration, you do not have to go back to using a tape and rulers and you can get exact length according to the scales. Micro adjustable flip stop on fence make accurate adjust and magnifier glass on pointer make easy to read and align scales on miter gauge fence.
- 【Zero Fit Miter Bar Fits for Most Table Saw】GOINGMAKE miter gauge for table saw fits standard 3/8" x 3/4" T slot and U slot. The adjustable miter bars fits for most table saw. GOINGMAKE miter bars adapts to any table saw with a 3/8" x 3/4" miter slot. The 4 adjustable rings can easily adjust to fits the slot and keep the bar perfectly aligned. No play on the miter slots and slides smooth ensure accurate cuts all the time. GOINGMAKE miter gauge is made of aluminum alloy and also includes a sliding pad on the back for smooth sliding on table top and prevents damage from table saw tops.
Rank #2
VEVOR Precision Miter Gauge with 18 in Fence, Standard Slot 3/4'' x 3/8''
- Fit for Most Table Saws: Our miter gauge is expertly designed to fit the majority of standard table saw slots measuring 3/4 x 3/8 in ( 19 x 9.5 mm). To ensure a perfect match, please measure the slots on your table saw before purchase. Featuring a detachable disc, our miter gauge is compatible with both 3/4" x 3/8" T-shaped and U-shaped slots. Ideal for most table saw brands, and is upgrade for precision woodworking.
- Precision Angle Cutting: Experience cutting precision with our adjustable solid aluminum head, engineered with 15 positive stop holes for ultimate accuracy. One stop hole is set at 90 degrees, with seven additional holes on each side at 15°, 22.5°, 30°, 35°, 45°, 60°, and 67.5° to cover most woodworking angles. For more intricate angle cuts, the gauge adjusts proportionally, allowing you to achieve precise angles efficiently and effortlessly.
- Partially Assembled Components: This miter gauge for table saw is shipped partially assembled to streamline your setup process. When it arrives, you won't need to fuss with numerous small parts. Just attach a few core components, and you're ready to go. It maintains the accuracy of your measurements without the typical assembly hassle.
- Easy Operation, Simple Adjustment: Our table saw miter gauge features a steel miter bar equipped with an adjustable bead spring plunger on the side. When placing the miter gauge in the table saw slot, if you notice any gaps, simply use the included hex wrench to adjust the plunger. This adjustment ensures an ideal fit within the slot, improving wear resistance and simplifying your operations.
- Refined Durability in Every Detail: This precision miter gauge is constructed from aluminum alloy, ensuring durability and resistance to deformation. Featuring a convex-concave grating with fine-tuning screws, it allows for manual micro-adjustments to enhance precision. The angle plate scale is meticulously etched using laser engraving technology, and the textured metal handle provides a secure grip that avoids slipping.
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