Drill bush DIN 179 form A, bore 27 mm, length 56 mm, outside dia 42 mm, case-hardened steel

When drilling identical parts in series, this bush keeps the 27 mm hole in the same place from part to part. The overall length is 56 mm. Within the range this 27 mm bore is available in the lengths short, medium and long, here in the long version with 56 mm.

Benefits

• Bore to form A, that is rounded on one side
• Guide bore of 27 mm to DIN 179 for the matching drill
• Outside diameter of 42 mm as a ground seat in the jig plate
• Overall length of 56 mm in the long version of the three lengths short, medium and long
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Bore rounded on one side, giving a defined fitting direction in the jig

Applications

• Gauge making and prototype work in small batches
• Drilling jigs and drilling templates in series production
• Jig and fixture construction as well as tool making
• Holes in sheet metal, profiles and housings that have to be repeatable in position and diameter

Standard and material

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