Hydraulic expansion chuck SK 40 - 08 - 68

Hydraulic expansion chuck SK 40 - 08 - 68Application: For mounting straight shank tools acc. DIN 1835 form A+B+E and DIN 6535 form HA+HB+HE (larger than dia. 20 mm only with reduction sleeve). Note: l1 = max. clamping depth l2 = max. length adjustment range Delivery: Without wrench 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

Entirely hardened and grinded on the inside and outside

Hydraulic or manual clamping

Quick change adaptors without safety clutch can be interchanged

Capacity = 1 - 10 (ER 16)

- Tightness of the screw connection tested up to 80 bar

With mechanical booster

Memory : 100 Readings

coolant pipes is screwed to the cylinder head screw integrated in the adapter

Chrome vanadium steel main body

Direction & Accuracy : C

- After mounting

With adjustable spray nozzles