Table Saw Miter Slot Runner
Posted : admin On 7/23/2022
Great job. Very efficiently done. It looks very nice.
Two comments:
1) Safety: You may consider installing an acrylic or transparent plastic strip (2 to 4 in wide) longitudinally on top of both fences, just over the blade's line. Also adding a block to the back of the rear fence, just where the blade cuts in, to prevent putting your hands accidentally on the line of the blade.
2) Accuracy,--i.e. setting the rear fence at 90 degrees to the blade: As error is proportional to distance, the larger the test piece, the better. The 'flip-over' technique you used would be even better with a flat MDF or plywood rectangle or square, as large as your sled permits. Also you may try the '5 cuts' method to test accuracy, as done and lengthily explained by master craftsman William Ng in a Youtube video. All the best.
The runners ride in the two miter slots and guide the sled as the workpiece is pushed past the blade. They are most often made from hardwood such as maple or white oak, however, steel, aluminium or plastic runners are also options. Wood runners are more commonly suggested, most. 3/4' wide x 3/8' thick x 30' long, fits most miter gauge slots; Pre-machined mounting holes every 4' along the length of the bar; Six adjustable nylon set screws included to eliminate play in miter slot; Constructed of heavy-duty aircraft-grade aluminum. Great for shop-made jigs like a table saw sled.
Nylon set-screws along the length of the bar adjust with the turn of a screwdriver to take up any play in the miter gauge slot. Machined mounting holes to attach the miter bar to your jig or...
- Craftsman 113 10' Table Saw Push Through Miter Gauge, 3/4' Slot. $10.75 shipping. 137 SERIES Craftsman 10' Table Saw MITER GAUGE 137.218250. Miter Gauge Table Saw Assembly Craftsman Woodworking Tool Angle Precision System.
- This rigid aluminum runner conveniently adjusts from the TOP for perfect sliding action in any standard 3/4' x 3/8' miter gauge slot. Won't warp, shrink, or swell like wooden runners.
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Details
Nylon set-screws along the length of the bar adjust with the turn of a screwdriver to take up any play in the miter gauge slot. Machined mounting holes to attach the miter bar to your jig or fixture. Perfect for building workshop jigs and fixtures.
- 3/4' wide x 3/8' thick x 30' long, fits most miter gauge slots
- Pre-machined mounting holes every 4' along the length of the bar
- Six adjustable nylon set screws included to eliminate play in miter slot
- Constructed of heavy-duty aircraft-grade aluminum.
- Great for shop-made jigs like a table saw sled
Reviews
Table Saw Miter Slot Bars
- 5.0 out of 5 stars
This is perfect for jigs
I use these bars for my cross cut sled, and all of my jigs. The set screws give me a tight miter track fit with zero slop. Stop wasting time milling runners that will expand seasonally and buy these. You will be happily surprised.
Best one in my comparison
Finally, an accurate miter bar! I bought three different miter runners made by two manufacturers (all items sold by Woodcraft) for a crosscut sled, and this Kreg runner is my pick of the bunch. Two features make it the best 1) it's longer (30') than the other two runners, and 2) the 8 adjustment spots to adjust for accurate fit in a miter track allow for a no-slop fit throughout its travel. It uses 8 threaded nylon inserts for adjusting fit, (not 6 as mentioned in the description). After a simple adjustment, it runs freely in the slot and still has almost no side-to-side play. The other manufacturer's runners don't have as many adjustment points for fit, so there's a little more sideways slop as the bars run the length of the slot. The fact that the Kreg is 30 inches long also helps accuracy. I still have the other two miter runners (one extruded aluminum bar with jam wedges underneath that adjust the width, and one steel bar with plastic adjustment disks for width), but this Kreg is the one that I'll use.