Drill bush DIN 179 form A, bore 31.5 mm, length 25 mm, outside dia 48 mm, hardened steel

This drill bush guides tools of 31.5 mm diameter and keeps the drilling axis in position over the full length of 25 mm. The bore follows form A of DIN 179 and is therefore rounded on one side.

Benefits

• Guide bore of 31.5 mm to DIN 179 for the matching tool
• Bore rounded on one side to form A, with a fixed fitting direction in the jig
• Outside diameter of 48 mm as a ground seat in the drill plate
• Guide length of about 0.8 drill diameters at 25 mm of length
• 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

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.