Yamawa Weak Twist Groove A-Type 90° Center Hole Drill Left Blade CD-Q LH 4X90°X10 CD-Q-LH-4X90X10 1 Piece

Catalog number: CD-Q-LH-4X90X10 Features: ●This is a left-edged center hole drill with a weak twist groove A type for 90° center hole processing, which allows for simultaneous positioning and chamfering. ●The groove has a weak twist, making it suitable for relatively hard materials. Specifications: ●Taper diameter (mm): 4 ●Shank diameter (mm): 10 ●Total length (mm): 65 ●Center hole angle (°): 90 ●Surface treatment: Non-coated ●Blade length (mm): 4.5 ●Blade shape: Double-edged ●Blade length (mm): 4.5 Material/Finish: ●High-speed tool steel (HSS)