ER-Collet chuck SK 40 - 2/20 - 70 | ER 32Application: For mounting straight shank tools in collets. Delivery: With balanced clamping nut 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

set contains following adaptors:

clamping depth = -

E2= 7 pieces

Ground internally and externally

Adapters ISO / PSK with axial clamping

T-nuts 18mm

during grinding

5 mm less than nominal

For mounting straight-shank tools in collets according to ISO 10897 (formerly DIN 6388) OZ

Tool steel

Spring mounted spherical tip protects the unit from damage if contact is too strong

Protection of the measuring unit takes centre stage