Drill bush DIN 179 form A, long type, bore 6.6 mm, length 20 mm, outside dia 12 mm

During drilling in the jig this bush takes over the guidance of the 6.6 mm tool. The overall length of 20 mm sets the bearing surface of the drill in the long version, and the bore matches form A of DIN 179.

Benefits

• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Guide bore of 6.6 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.