Twist drill bit DIN 338 type N, HSS-G, diameter 12 mm, overall length 151 mm

Drilling in commonly used materials is handled by this DIN 338 type N drill with a diameter of 12 mm. Documented are an overall length of 151 mm and a flute length of 101 mm. The drill is supplied in HSS-G, that is a drill ground from solid stock in high-performance high-speed steel with increased concentricity.

Benefits

• Diameter 12 mm with diameter tolerance h8
• overall length 151 mm, of which 101 mm flute length
• 118 degree point angle, cross grinding from 3 mm upwards
• bright surface
• tapping drill for thread M 14

Technical data

Fields of application

The drill suits drilling work in steel, alloyed and unalloyed cast steel below 900 N/mm² tensile strength, grey cast iron, malleable cast iron, spheroidal graphite cast iron, die casting, sintered iron, nickel silver, graphite, short-chipping aluminium alloys, brass and bronze.

Standards

The dimensions are based on DIN 338, type N. The point thinning from 3 mm upwards follows the cross grind to DIN 1412 C.