Adapters SK to SK BT 50 - SK 40 - 70Application: For holding tapers according to DIN 69871, JIS B 6339 and DIN 2080. Delivery: Delivered with a built in screw for shortened taper tools. Additional screw for DIN 2080 tools included. 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

5-30mm and 25-50mm range are supplied with setting rings

Chrome molybdenum steel ( or Chrome vanadium steel ) square drive

Hardeness: HRC 55 - 62

For sealing tools with internal cooling in collet chucks

Jeweled and shock proof

For machining centres without synchronous spindle

5 x 58 x 18

Extension rod >6mm

Zubehör/Ersatzteil:

For mounting straight-shank tools in 3µm-collets

vertical and lateral

Operating Temperature : -10C~55C