Morse taper adaptor HSK 63 - 3 - 140Application: For clamping tools with Morse taper shank and thread according to DIN 228 1 form A. Delivery: With built in tightening bolt 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

Measures external groves and recessed hub dimensions

Chrome molybdenum steel ( or Chrome vanadium steel ) square drive

Calibration certificate

4021 x 20Cr13

driving ring and feather key All holders are made of forged steel

For attaching shell-type milling cutters

Angular accuracy = 10 arcmin

Centering nut (Pair)

Clamping screw

load capacity 200kg

Hydraulic or manual clamping

which can cause high frictional forces on the thread flanks