Twist Drill Bit DIN 338 N HSS-R 4 mm [20 Pieces]

Description

This is a HSS-R 4 mm right-handed cutting type N twist drill, designed for all drilling operations with common materials.

Pros:

• Made of high-performance, fracture-resistant steel, with ground chamfer
• Suitable for steel, cast steel alloys and non-alloys (<900 N/mm² tensile strength), cast and sintered iron, short cutting aluminum alloys, brass and bronze
• h8 diameter tolerance
• Designed in accordance with DIN 338