Long Drill Bits 6" Drill Bit Numbered Sizes

long drill bits
Long Drill Bits - Drills by Bisco of Florida, Inc. Cobalt and High Speed Steel. Top Quality and Lowest Prices on the Net!
Long Drill Bits - 6" Overall Length (OAL) and 12" OAL in cobalt and high speed steel
All Drills Manufactured to NAS 907 Type B and Type J Specifications
High Speed Steel (HS) is ideal for drilling mild steel where extra length is required
Cobalt (A/C) is ideal for tough, high tensile strength materials