Drill bush DIN 179 form B, bore 35.5 mm, length 30 mm, outside dia 55 mm, hardened steel

With a guide bore of 35.5 mm this bush to DIN 179 accepts the drill and supports it over 30 mm of length. In form B the bore is rounded on both sides, and the seat in the jig measures 55 mm.

Benefits

• Guide bore of 35.5 mm to DIN 179 for the matching tool
• Outside diameter of 55 mm as a ground seat in the drill plate
• Overall length of 30 mm in the short version of the range short, medium and long
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Bore rounded on both sides to form B, so the bush can be fitted either way round

Applications

• Fixed drill plates and hinged drilling jigs
• One-off and small batch production in mechanical engineering
• Drilling fitted holes on assemblies with a fixed hole position
• Inspection and marking templates in assembly

Standard and material

Dimensions and design follow DIN 179. The material is special case-hardening steel, the hardness is 740 ± 80 HV 10, and the functional surfaces are ground.