Collar drill bushing DIN 172 form A, bore 10.4 mm, length 25 mm, collar 22 mm, hardened steel

With a bore of 10.4 mm and an overall length of 25 mm, this bushing keeps the tool on track inside the drilling jig. The collar of 22 mm diameter and 4.0 mm height bears on the drill plate and secures the bushing against axial slipping.

Benefits

• Guiding length of 25 mm, long design
• Ground guiding bore of 10.4 mm within the tolerances of DIN 172
• All-round collar of 22 mm diameter and 4.0 mm height acting as a stop
• Press fit of 18 mm outside diameter in the holder of the jig
• Hardened case-hardening steel at 740 ± 80 HV 10 with a ground surface
• Form A design of DIN 172 with the bore rounded on one side, on the side of the collar

Applications

The bushing is used in drilling jigs in tool and fixture making, in series production and in repair work where holes have to be placed repeatably.

Standard and material

Dimensions and tolerances follow DIN 172 in form A. In form A the bore is rounded only on the side of the collar. The bushing is made of hardened and ground case-hardening steel with a hardness of 740 ± 80 HV 10.