Drill bush DIN 179 form A, short type, bore 34 mm, length 25 mm, outside dia 48 mm

Made of hardened special case-hardening steel, this bush accepts drills of 34 mm and holds them on axis over 25 mm of length. The outside diameter of 48 mm forms the ground seat, and the bore is rounded on one side to DIN 179 form A.

Benefits

• Outside diameter of 48 mm as a ground seat in the drill plate
• Guide bore of 34 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 25 mm in the short version of the range short, medium and long
• Guide length of about 0.7 drill diameters at 25 mm of length

Applications

• Drilling jigs and drill templates in series production
• Jig and tool making
• Repeatable hole patterns in sheet metal, profiles and housings
• Maintenance work where hole patterns are reworked

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.