Fractional Drill Bit Stop Collars
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Drill stops for inch fractional drill bits, 1/64th sizes between 3/32 - 1/2
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These are drill collars (aka stops, bushings) to set up for specific repeatable hole depths.
Includes all 1/64 increment sizes between 3/32 and ½. I used 4 different general sizes and made all the intermediate sizes with a python function.
These are threaded for a single pan head type AB sheet metal screw, these are just the widely available flat head screws marketed as “sheet metal” screws with slightly more threads than a wood screw. Sizes up to ¼" use a single #6 (20TPI) x 0.75" screw, above ¼" use a #8 (18TPI) x 0.75" screw.
DO NOT use with screws longer than ¾", the protruding point will extend out and could rip open your hand or snag loose items. If you are in a bind, just cut off a longer screw to less than ¾", the holes are threaded so it will still work.