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Material:
Torque limiting portion: high-strength. hardened steel with rust protection (nitro-carburized)
a. Clamping hub D1: up to size 450, high strength alumunium; size 800 and up, steel
b. Clamping hub D2: up to size 60, high strength alumunium; size 150 and up, steel
Design:
Two coupling hubs concentrically machined with concave driving jaws. One side wtih an integrated torque limiter. Available in single-position, multi-position, load holding, and full disengagement versions.
Dimensions in milimeters:
Keyways are British Standard Metric B S 4235. Part 1: 1972 DIN 6885 and conform to ISO recomendations with the exception of those marked, which are shallower. Where a key is to be used it should be parallel and side fitting, with top clearance. Depth of keyway is measured at the CENTRE