ISO 4247 - DIN 172

Drill Bush with head.                        

Inside and outside grinded in tolerance, with insertion chamfer.

The dimensions are shown in the table. 

Types: 

Type A:  7619.

 Bore radiused at one end

Type B:  7629.

 Bore radiused at both ends

Material:  

Steel chosen by manufacturer.

Hardness:

740 + 80 HV 10