HSS Step drill bit set, in ABS cassette

HSS step drill bits with spiral flutes, split-point according to DIN1412-C and a 3-flat cylindrical shank. Optimized chip-flow, also of non-breaking chips, protects cuttings edges and guarantees a smooth and high-performance cutting process.

Suitable for most common materials. Steel sheet material up to 4mm thickness. Increase tool life considerably with Rotec cutting oil RS50 or Rotec cutting paste.
Material groups : 1.1 - 1.3 / 4.1 - 4.12