Hyper-Step Cobalt Mechanic's Length Drill Bit Set, 21 Piece
sku# 510250
Matco Exclusive Hyper-Step tip design cuts 45% faster and stay sharp 4X longer, Cobalt drill material for use on even the toughest jobs like stainless, grade 8 fasteners, hardened alloys and cast irons, Mechanic's length size for increased drill bit rigidity and improved tight space access, Each drill bit acts like a step drill, Three-flatted shanks to reduce slippage common with keyless chucks. Contains 1/16" through 3/8" by 64ths cobalt mechanic's length hyper-step drill bits,