Hongfeng C-type Center Drill/Tapping Step Bit M3 for Nonferrous Metals Bright Uncoated Round Shank 3-Year Warranty
These Hongfeng Type C compound center drills integrate drilling and chamfering in a single tool, serving as dedicated stepped drills for pre-tapping hole preparation. Available in specifications from M3 to M24, they are fully compatible with drill presses and CNC machining equipment.
Precision-ground cutting edges and optimized flutes ensure smooth chip evacuation and stable cutting performance. They deliver accurately sized stepped holes with clean burr-free chamfers, maintaining consistent dimensional accuracy and excellent inner surface quality.
Ideal for pre-tapping machining of various metal workpieces, they eliminate secondary chamfering operations to shorten process cycles. They reduce tool changeovers, lower overall production costs and effectively improve comprehensive machining efficiency.
