ER-Collet chuck SK 30 - 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

Chrome molybdenum steel ( or Chrome vanadium steel ) square drive

dust or oil

Measuring contact points are designed to allow measurements near to the bottom of blind holes

ISO-Metric Thread

Especially in operations in toolmaking and mould making

for fast mounting of work pieces

DIN 1835 form A+B+E and DIN 6535 form HA+HB+HE (larger than dia

102 x 38 x 15

- Bed height H: 0

- Alignment surface ± 0

vertical and lateral

6 fl ange nuts