21/64" 135 Deg. Black and Gold Drill Bits | Jobber Length | 6-Pack size-7-00-x-0-040 Wall Thickness Range: 3/8" -

Wall Thickness Range: 3/8" - 1-1/4"

grinding casting parting lines

Small diameter snagging and cutting wheels are designed to perform on a variety of metal applications

Load capacities depend on the integrity of the material being fastened into

Shear (lb): 2455

21/64" 135 Deg. Black and Gold Drill Bits | Jobber Length | 6-Pack size-7-00-x-0-040 Wall Thickness Range: 3/8" -Our professional heavy duty black and gold high speed drill bits come in sizes from 1 16 to 1 2". The drill bits are made of premium high speed hardened steel. The quality of these drill bits allow them to last 3 times longer and drill 2 times faster than standard bits. Premium M2 high speed steel allows the drill bits to run cooler and last longer by making the drill bits harder and stronger. Black and gold surface finish adds lubricity to the tool