13 PIECE HYPER-STEP MECHANIC'S LENGTH COBALT DRILL BIT SET DBC13HSM | eBaydiy Tools

SUPERIOR DESIGN. Matco Exclusive Patented Cobalt Hyper-Step set is made from the strongest material tough enough to drill through the hardest jobs like stainless, grade 8 fasteners, hardened alloys and cast irons
MECHANIC’S LENGTH. Approximately 75% the length of traditional drill bits for increased drill bit rigidity and improved tight space access
ELIMINATES THE NEED FOR PILOT HOLES. Hyper-Step design in large sizes eliminates the need for up to two pilot holes that traditional drill bits require
INNOVATIVE. The multi-stepped tip acts like a step drill, allowing for laser like holes through sheet metal and prevents walking on curved surfaces
ELIMINATES SLIPPAGE. Three-flatted shanks to reduce slippage common with keyless chucks