Cylindrical drill bush DIN 179 form B, bore 10.4 mm, length 12 mm, outside dia 18 mm, ground

With a guide bore of 10.4 mm this bush to DIN 179 accepts the drill and supports it over 12 mm of length. In form B the bore is rounded on both sides, and the seat in the jig measures 18 mm.

Benefits

• Bore rounded on both sides to form B, so the bush can be fitted either way round
• Guide bore of 10.4 mm to DIN 179 for the matching tool
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Outside diameter of 18 mm as a ground seat in the drill plate
• Guide length of about 1.2 drill diameters at 12 mm of length

Applications

• Series drilling on jigs with high piece numbers
• Drill templates for assembly work on site
• Guiding twist drills and reamers in the jig
• Repair of worn drill plates by replacement of the same size

Standard and material

The basis is DIN 179 for cylindrical drill bushes. Form B means a bore that is rounded on both sides. Made of special case-hardening steel, hardened to 740 ± 80 HV 10 and ground.