Cylindrical drill bush DIN 179 form A, bore 9.9 mm, length 20 mm, outside dia 15 mm, ground

For repeatable holes of 9.9 mm diameter this bush is seated in the drill plate by its ground outside diameter of 15 mm. The drill stays guided across 20 mm of length, and the bore is rounded on one side.

Benefits

• Guide bore of 9.9 mm to DIN 179 for the matching tool
• Overall length of 20 mm in the medium version of the range short, medium and long
• Bore rounded on one side to form A, with a fixed fitting direction in the jig
• Wall thickness of 2.5 mm between the 9.9 mm bore and the 15 mm seat
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground

Applications

• Series drilling on jigs with high piece numbers
• Drill templates for assembly work on site
• Guiding twist drills and reamers in the jig
• Repair of worn drill plates by replacement of the same size

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.