Drill bush DIN 179 form B, bore 8.6 mm, length 12 mm, outside dia 15 mm, case-hardened steel

The material, hardened to 740 ± 80 HV 10, keeps the 8.6 mm guide bore accurate even after many drilling cycles. The outside diameter measures 15 mm. Within the range this 8.6 mm bore is available in the lengths short, medium and long, here in the short version with 12 mm.

Benefits

• Overall length of 12 mm in the short version of the three lengths short, medium and long
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Bore to form B, that is rounded on both sides
• Guide bore of 8.6 mm to DIN 179 for the matching drill
• Outside diameter of 15 mm as a ground seat in the jig plate
• Bore rounded on both sides, so the bush can be fitted either way round

Applications

• Holes in sheet metal, profiles and housings that have to be repeatable in position and diameter
• Maintenance and repair work when hole patterns are reworked
• Gauge making and prototype work in small batches
• Drilling jigs and drilling templates in series production

Standard and material

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