ER-Collet chuck BT 40 - 2/20 - 160 | 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

Hardened steel

For mounting milling cutters with transverse or longitudinal groove

With built-in tightening bolt All holders are made of forged steel

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

Warranty card

For gauge-accurate working and controlling

Setting rings

The base is designed with a thermal heat isolation hand grip

Integrated pull-down mechanism

T-nuts 18 mm

without cooling lubricant supply

Stahlkörper allseitig geschliffen und gehärtet