Drill bush DIN 179 form A, short type, bore 7 mm, length 10 mm, outside dia 12 mm

Made of hardened special case-hardening steel, this bush accepts drills of 7 mm and holds them on axis over 10 mm of length. The outside diameter of 12 mm forms the ground seat, and the bore is rounded on one side to DIN 179 form A.

Benefits

• Guide bore of 7 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 12 mm as a ground seat in the drill plate
• Guide length of about 1.4 drill diameters at 10 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 basis is DIN 179 for cylindrical drill bushes. Form A means a bore that is rounded on one side. Made of special case-hardening steel, hardened to 740 ± 80 HV 10 and ground.