Drill bush DIN 179 form A, long type, bore 7 mm, length 20 mm, outside dia 12 mm

The long version of this DIN 179 bush guides drills of 7 mm over an overall length of 20 mm. In form A the bore is rounded on one side, which makes work in the jig easier.

Benefits

• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Guide bore of 7 mm to DIN 179 for the matching tool
• Outside diameter of 12 mm as a ground seat in the drill plate
• Bore rounded on one side to form A, with a fixed fitting direction in the jig
• Dimensions to DIN 179, so existing bushes can be replaced size for size

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.