$16.26
1/8"x3/8" FLAT BOTTOM COUNTERSINK
Use SD-3 Counterbores to drill a pilot hole and counterbore a flat bottomed hole in one step. Perfect for lag screws, lag bolts, washer head screws, T-nuts & more.
Drive Shank: 1/4" Hex Power Bit Shank
Drill Size: 1/8"
Counterbore Size: 3/8"
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