Yamawa Weak Twist Groove A-Type 60° Center Hole Drill CD-S 3 x 60° x 7.7 CDS-3 1 Piece

Catalog number: CDS-3 Features: ● A weakly twisted groove A-type center hole drill that is suitable for relatively hard materials because the groove has a weak twist. Applications: ● Workpiece: carbon steel, alloy steel, tool steel, cast iron, copper alloy, aluminum alloy. ● Center hole processing. Specifications: ● Taper diameter (mm): 3 ● Shank diameter (mm): 7.7 ● Total length (mm): 55 ● Center hole angle (°): 60 ● Blade length (mm): 3 ● Blade shape: double-edged Material/Finish: ● High-speed tool steel (HSS)