Collar drill bushing form B to DIN 172, bore 29.5 x 56 mm, collar 46 mm, case-hardening steel

Made for holes of 29.5 mm, this bushing guides the tool over 56 mm. The long series combines a press fit of 42 mm outside diameter with a 46 mm collar that holds the bushing in the plate.

Benefits

• Guiding length of 56 mm, long design
• Ground guiding bore of 29.5 mm within the tolerances of DIN 172
• All-round collar of 46 mm diameter and 5.0 mm height acting as a stop
• Press fit of 42 mm outside diameter in the holder of the jig
• Hardened case-hardening steel at 740 ± 80 HV 10 with a ground surface
• Form B design of DIN 172 with the bore rounded on both sides, also for a reversed fit

Applications

It suits drilling jigs, drill templates and assembly fixtures in which the tool has to be guided safely over 56 mm, even with frequent tool changes.

Standard and material

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