Cylindrical drill bush DIN 179 form A, bore 20 mm, length 36 mm, outside dia 30 mm, ground

Made of hardened special case-hardening steel, this bush accepts drills of 20 mm and holds them on axis over 36 mm of length. The outside diameter of 30 mm forms the ground seat, and the bore is rounded on one side to DIN 179 form A.

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 20 mm to DIN 179 for the matching tool
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Guide length of about 1.8 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.