- The 8% cobalt content maintains a sharper cutting edge and delivers a 4X longer life versus DeWalt Black Oxide bits. - The optimised tip and flute geometry delivers 2X the penetration speed, versus DeWalt Black Oxide bits, removes material faster and reduces heat build up. - The stronger central core delivers 2X the resistance to breakage versus DeWalt Black Oxide drill bits.
- Full tungsten head; - Professional welding; - High material removal capability; - Available from 3 to 16mm diameter; - Length from 33 to 163mm; - Resistance to breakage; - Long tool life; - Material: Tungsten; - Suitable for: Steel, stainless steel, copper, bronze, cast iron, low alloy steel; - Compatible machine: Electric or pneumatic straight grinder.