Drill bush DIN 179 form A, bore 9.7 mm, length 20 mm, outside dia 15 mm, case-hardened steel

This drill bush guides tools of 9.7 mm diameter and keeps the drill axis in position over the full length of 20 mm. Within the range this 9.7 mm bore is available in the lengths short, medium and long, here in the medium version with 20 mm.

Benefits

• Overall length of 20 mm in the medium version of the three lengths short, medium and long
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Bore to form A, that is rounded on one side
• Guide bore of 9.7 mm to DIN 179 for the matching drill
• Outside diameter of 15 mm as a ground seat in the jig plate
• Bore rounded on one side, giving a defined fitting direction in the jig

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