ER-Collet chuck BT 50 - 2/20 - 100 | 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

For internal machining with boring bars

For sealing tools with internal cooling in collet chucks

E2= 20 pieces

for fast mounting of work pieces

Quick release function

nuts and plain washers

Dial face dia

System concentricity and repetition accuracy 3 µm (3×D

Setting rings

Determination of bore centres to the machine spindle

Made of precision ground hardened stainless steel

Only nominal size d can be clamped