HSS Cobalt Step Drill Bit 1/4" to 1-3/8" , 10 Steps, Shank 3/8"

描述

High Speed Steel, Cobalt Coated ; 3/8" Shank ; Tri-flat shank for sure grip ; 10 Steped Sizes: 1/4" ;3/8" ;1/2" ;5/8" ;3/4" ;7/8" ;1" ;1-1/8" ;1-1/4" ;1-3/8".