ER-Collet chuck BT 30 - 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

Accuracy according to DIN 875

Surface roughness Ra < 0

for mounting on a wall

Enables reduction to the next smallest insert holder

Hand wheel design for fine adjustment

Measuring surfaces allow for the measurement of external diameters

bei Ø 6 – Ø 32 mm = h232

E1= 40 pieces

chip breaking

Maximum lifting force 400kg

Angle reading and adjustment using a vernier

Repeating accuracy 0