Twist drill bit DIN 338 type N, HSS-R, diameter 2.5 mm, overall length 57 mm

This twist drill to DIN 338, type N, is right-hand cutting and covers everyday metal drilling with a diameter of 2.5 mm. Characteristic values are an overall length of 57 mm and a flute length of 30 mm. Grade HSS-R means a roll-formed drill made of high-performance high-speed steel with increased resistance to breakage and a ground chamfer.

Benefits

• Diameter 2.5 mm with diameter tolerance h8
• overall length 57 mm, of which 30 mm flute length
• 118 degree point angle with standard point grind
• black surface
• tapping drill for thread M 3

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 drill complies with DIN 338 in the type N version.