Back to Bisco Tool Supply
#1 USA Number Drill Bit USA Numbered Drill Bits HSS
Number 1 Very Small Numbered Drill bit. USA Made Drills. Drill Bits made of High Speed Steel by Bisco of Florida. Numbered drill bits have a .2280 decimal equivalent, 2-5/8 flute length, and 3-7/8 overall length. Call Bisco 866-247-2635 with any questions on numbered drill bits.