Bolts, ring nut and safety ring:
Ø 12, 16 and 20 = 16MnCrS5 1.7139
Ø 25 and 32 = 42CrMoS4 1.7227
strip spring: CK75 1.1248
Black oxide finish.
The lifting bolts are used for safely hoisting loads with the aid of end flanges similar to VDI 3366. The hole for receiving dimension D must have a tolerance of +1mm.
The retaining ring is compelled into position by a spring band - the lifting bolt can only be released by conscious movement of the retaining ring.
With CE marking.
Detailed operating instructions are included.