Cylindrical drill bush DIN 179 form A, bore 28 mm, length 56 mm, outside dia 42 mm, ground

For repeatable holes of 28 mm diameter this bush is seated in the drill plate by its ground outside diameter of 42 mm. The drill stays guided across 56 mm of length, and the bore is rounded on one side.

Benefits

• Outside diameter of 42 mm as a ground seat in the drill plate
• Guide bore of 28 mm to DIN 179 for the matching tool
• Bore rounded on one side to form A, with a fixed fitting direction in the jig
• Overall length of 56 mm in the long version of the range short, medium and long
• Guide length of about 2 drill diameters at 56 mm of length

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

The design corresponds to DIN 179, form A. Case-hardening steel at 740 ± 80 HV 10 together with ground surfaces determines the service life of the bush.