Collar drill bushing form B to DIN 172, bore 4.3 x 16 mm, collar 11 mm, case-hardening steel

Made for holes of 4.3 mm, this bushing guides the tool over 16 mm. The long series combines a press fit of 8 mm outside diameter with a 11 mm collar that holds the bushing in the plate.

Benefits

• Ground guiding bore of 4.3 mm within the tolerances of DIN 172
• Press fit of 8 mm outside diameter in the holder of the jig
• All-round collar of 11 mm diameter and 2.5 mm height acting as a stop
• Guiding length of 16 mm, long design
• Form B design of DIN 172 with the bore rounded on both sides, also for a reversed fit
• Hardened case-hardening steel at 740 ± 80 HV 10 with a ground surface

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 B. In form B the bore is rounded on the opposite side as well. The material is case-hardening steel, hardened to 740 ± 80 HV 10 and ground.