TIANGONG M35 Cobalt High-Speed Steel Twist Drill Bit

Premium TIANGONG M35 cobalt high-speed steel twist drill bits, engineered for exceptional performance. Ideal for drilling stainless steel, iron, and other super-hard metals. Designed for durability and precision.

Body Material: High Speed Steel Coating type: No coating Knife Form: Right hand Domestic/Imported: Domestic Total length of the knife: 70mm Interface Mode: Direct drilling Cooling method: other Standard Model: 3.4mm Shank diameter: 3.4mm