Drill bush DIN 179 form A, bore 4.1 mm, length 8 mm, outside dia 8 mm, hardened steel

A drill of 4.1 mm diameter runs guided through 8 mm of this bush and meets the hole at the intended point. The design follows DIN 179, form A, and the bore is rounded on one side.

Benefits

• Guide bore of 4.1 mm to DIN 179 for the matching tool
• Overall length of 8 mm in the short version of the range short, medium and long
• Bore rounded on one side to form A, with a fixed fitting direction in the jig
• Wall thickness of 1.9 mm between the 4.1 mm bore and the 8 mm seat
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground

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 A, and the bore is rounded on one side. The material is special case-hardening steel, hardened to 740 ± 80 HV 10 and ground.