Twist drill bit DIN 338 type N, HSS-R, diameter 4.2 mm, overall length 75 mm

For holes with a diameter of 4.2 mm this right-hand cutting type N drill to DIN 338 is ready to work. Characteristic values are an overall length of 75 mm and a flute length of 43 mm. The HSS-R version is a roll-formed drill made of high-performance high-speed steel with increased resistance to breakage and a ground chamfer.

Benefits

• Diameter 4.2 mm with diameter tolerance h8
• overall length 75 mm, of which 43 mm flute length
• 118 degree point angle with standard point grind
• black surface
• tapping drill for thread M 5

Fields of application

It is used for drilling 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.