Material, surface finish:
Eccentric screw heat-treated class 10.9, black oxide finish; hexagonal cam hardened steel, hardened and black oxide finish
The unequal hexagonal cam clamps are used to minimise the cost of clamping systems. The fastening range can be adjusted within a 17 mm diameter without moving the bore, simply by rotating the variable hexagonal element.
The clamps are available with flat edges for machined pieces and with notched edges for rough pieces.
Spare eccentric screws.