Yamawa Weak Twist Groove A-Type 60° Center Hole Drill Left Blade CD-S LH 2.5X60°X7.7 CD-S-LH-2.5X60X7.7 1 Piece

Catalog number: CD-S-LH-2.5X60X7.7 Features: ●This is a left-edged center hole drill with a weakly twisted groove A-type, suitable for relatively hard materials due to the weak twist of the groove. Specifications: ●Taper diameter (mm): 2.5 ●Shank diameter (mm): 7.7 ●Total length (mm): 50 ●Center hole angle (°): 60 ●Surface treatment: Non-coated ●Blade shape: Double-edged ●Blade length (mm): 2.5 Material/Finish: ●High-speed tool steel (HSS)