End mill holder Weldon HSK 40 - 12 - 70Application: For mounting straight shank tools with lateral flat according to DIN 1835 form B (Weldon). Delivery: With clamping screw All holders are made of forged steel Specific, low warpage hardened Surface hardened HRC 58~60 Hardening depth 0,8mm~0,9mm Taper angle tolerance < AT 3 according to DIN 2080 Surface roughness Ra < 0,4 m Tensile strength in the core of min. 800 N mm after DIN All functional surfaces fine machined

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance1

parallelism: 0

The collet clamping Ø range is always up to 0

Mainly for external machining

The steel body is hardened and grinded all-round

Instruction manual

Stainless steel

prevents over-feeding

01mm to the centre axis

Coolant nozzles lockable

Applicable up to 100 bar

10mm for 300mm/12" range