Cylindrical drill bush DIN 179 form A, bore 18.5 mm, length 36 mm, outside dia 30 mm, ground

For repeatable holes of 18.5 mm diameter this bush is seated in the drill plate by its ground outside diameter of 30 mm. The drill stays guided across 36 mm of length, and the bore is rounded on one side.

Benefits

• Outside diameter of 30 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
• Guide bore of 18.5 mm to DIN 179 for the matching tool
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Guide length of about 1.9 drill diameters at 36 mm of length
• Overall length of 36 mm in the medium version of the range short, medium and long

Applications

• Fixed drill plates and hinged drilling jigs
• One-off and small batch production in mechanical engineering
• Drilling fitted holes on assemblies with a fixed hole position
• Inspection and marking templates in assembly

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.