ISO 4247 - DIN 179

Headless Drill Bush.                       

Inside and outside grinded in tolerance, with insertion chamfer.

The dimensions are shown in the table. 

Types: 

Type A:  7819. -  Bore hole roundened at one end

Type B:  7829. - Bore hole roundened  at both ends

Material:  

Steel chosen by manufacturer.

Hardness: 

740 + 80 HV 10