Gradation of the bore hole until d: 16,6 mm and D 25,0 mm = 0,1 mm
Gradation of the bore hole from d: 15,0 mm and D 32,0 mm = 0,5 mm
ISO 8977, type B with collar (with head)
Item no. Hardness Material
5223. HRC 62±2 HSS
Hardened ant tempered, inside and outside grinded in tolerance,
with insertion chamfer.
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