ER-Collet chuck BT 50 - 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

With built-in tightening bolt

Without the illustrated cutting tools

00005" / 0

Measuring Range: 0-360°

For mounting milling cutters with transverse or longitudinal groove

Only nominal size d can be clamped (applicable up to 120 bar)

quantity of inserts:

Magnifying glass is provided for easier reading

- Calibration certificate

With balanced clamping nut

Metal housing with rotating lever gauge

for clamping holders with coolant channels directly to the cutting edge