ER-Collet chuck BT 30 - 2/13 - 70 | ER 20

ER-Collet chuck BT 30 - 2/13 - 70 | ER 20Application: 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

The origin point is retained throughout the life of the battery

without cooling lubricant supply

For mounting and drifting taper shanks DIN 228-1 A in toolholders DIN 228-1 B

Concentricity: ± 0

Suitable for mass production

Adapters ISO / PSK with axial clamping

For d = 60 only with four fi xation screws according to DIN 912

For adaption from HSK-A to PSC (ISO 7388-1 to ISO 26623-1)

Ground internally and externally

Designed for the measurement of intricate internal characteristics

- With data output interface

and are noted for their tailored inner struts