ER-Collet chuck SK 30 - 1/7 - 70 | ER 11 | MiniApplication: For mounting straight shank tools in collets. Delivery: With ER Mini 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

Storage Temperature : -40C~85C

- mobility allows measuring within machines and fixtures

Surface roughness Ra < 0

Ø2mm Carbide tipped contact point

Accuracy: 0

360° graduations for angular adjustment

- Repeating accuracy 0

Completely made of steel

Magnifying glass is provided for easier reading

Spherical end anvil

Accuracy: ±5 min

For machining centres with synchronous spindle