Yamawa Weak Twist Groove A-Type 90° Center Hole Drill Left Blade CD-Q LH 3X90°X8 CD-Q-LH-3X90X8 1 Piece

Catalog number: CD-Q-LH-3X90X8 Features: ●This is a left-edged center hole drill with a weak twist groove A type for machining 90° center holes, which allows for simultaneous positioning and chamfering. ●The groove has a weak twist, making it suitable for relatively hard materials. Specifications: ●Taper diameter (mm): 3 ●Shank diameter (mm): 8 ●Total length (mm): 55 ●Center hole angle (°): 90 ●Surface treatment: Non-coated ●Blade length (mm): 3 ●Blade shape: Double-edged ●Blade length (mm): 3 Material/Finish: ●High-speed tool steel (HSS)