Premium 13 Piece HSS Coated Drill Bit Set Fast and Effortless Drilling
Coated HSS drill set with standard 1/4 "hex shank that will fit cordless screwdrivers, drills or use in standard drill chuck. Material:Hss 4341 Coated. 13pcs HSS Drilling Bit. nitride coating facilitates faster penetration with less effort.