Drill bush DIN 179 form B, bore 13.5 mm, length 28 mm, outside dia 22 mm, hardened steel

Made of hardened special case-hardening steel, this bush accepts drills of 13.5 mm and holds them on axis over 28 mm of length. The outside diameter of 22 mm forms the ground seat, and the bore is rounded on both sides to DIN 179 form B.

Benefits

• 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
• Guide bore of 13.5 mm to DIN 179 for the matching tool
• Overall length of 28 mm in the medium version of the range short, medium and long
• Wall thickness of 4.2 mm between the 13.5 mm bore and the 22 mm seat

Applications

• Drilling jigs and drill templates in series production
• Jig and tool making
• Repeatable hole patterns in sheet metal, profiles and housings
• Maintenance work where hole patterns are reworked

Standard and material

The bush is made to DIN 179 in form B, and the bore is rounded on both sides. The material is special case-hardening steel, hardened to 740 ± 80 HV 10 and ground.