21/64" Cryogenic HSS Black & Gold Jobber Length Drill Bit Shopify Collective Part Number: assortment-kit-4711511 Pieces -

Part Number: assortment-kit-4711511 Pieces - Coarse Thread

Part Number DWTH112-1428LH

Part Number CTH0937

Part Number DEWS5-6

Part Number KFD3F1-3/8

21/64" Cryogenic HSS Black & Gold Jobber Length Drill Bit Shopify Collective Part Number: assortment-kit-4711511 Pieces -Product Description KFD Killer Force Drill Bits are manufactured from M2 premium grade high speed steel. Cryogenic KFD Drill Bits are cryogenically frozen to 300F for 48 hours. Cryo treating the drill bits results in increased tool life, torsion strength and improved corrosion resistance. They are black and gold surface treated for use for use on alloy steel, aluminum, brass, bronze, carbon steel, spring steel, stainless steel, tool steel and other