Cylindrical drill bush DIN 179 form A, bore 18.5 mm, length 45 mm, outside dia 30 mm

Made of hardened special case-hardening steel, this bush accepts drills of 18.5 mm and holds them on axis over 45 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

• Guide bore of 18.5 mm to DIN 179 for the matching tool
• Overall length of 45 mm in the long 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 5.8 mm between the 18.5 mm bore and the 30 mm seat
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground

Applications

• Hole patterns in assembly jigs and equipment frames
• Workshop production with changing workpieces
• Redrilling and opening up holes on existing jigs
• Pattern making and mould making

Standard and material

Dimensions and design follow DIN 179. The material is special case-hardening steel, the hardness is 740 ± 80 HV 10, and the functional surfaces are ground.