Collar drill bushing DIN 172 form A, bore 37.5 mm, length 30 mm, collar 59 mm, hardened steel

With a bore of 37.5 mm and an overall length of 30 mm, this bushing keeps the tool on track inside the drilling jig. The collar of 59 mm diameter and 5.0 mm height bears on the drill plate and secures the bushing against axial slipping.

Benefits

• Ground guiding bore of 37.5 mm within the tolerances of DIN 172
• All-round collar of 59 mm diameter and 5.0 mm height acting as a stop
• Press fit of 55 mm outside diameter in the holder of the jig
• Hardened case-hardening steel at 740 ± 80 HV 10 with a ground surface
• Guiding length of 30 mm, short design
• Form A design of DIN 172 with the bore rounded on one side, on the side of the collar

Technical data

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

The design complies with DIN 172 form A. In form A the bore is rounded only on the side of the collar. The material is case-hardening steel, hardened to 740 ± 80 HV 10 and ground.