Collar drill bushing DIN 172 form B, bore 29 mm, length 45 mm, collar 46 mm, hardened steel

When drilling in jigs, this bushing keeps the 29 mm tool on position. The guiding length is 45 mm, the press fit measures 42 mm in diameter and the collar 46 mm.

Benefits

• Form B to DIN 172, the bore is rounded on both sides and can be loaded from either end
• Bore 29 mm, ground and dimensionally accurate to DIN 172
• Overall length 45 mm in the medium series
• Outside diameter 42 mm for the press fit in the drill plate
• Collar 46 mm with 5.0 mm height for axial location
• Case-hardening steel, hardened to 740 ± 80 HV 10 and ground

Applications

It is used wherever holes of 29 mm have to be produced without centre punching and without wandering, for example in jigs for series parts, in assembly gauges or in prototype work.

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.