Cylindrical drill bush DIN 179 form A, bore 27.5 mm, length 56 mm, outside dia 42 mm, ground

This drill bush guides tools of 27.5 mm diameter and keeps the drilling axis in position over the full length of 56 mm. The bore follows form A of DIN 179 and is therefore rounded on one side.

Benefits

• Outside diameter of 42 mm as a ground seat in the drill plate
• Guide bore of 27.5 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.