Cylindrical drill bush DIN 179 form B, bore 8 mm, length 10 mm, outside dia 12 mm

For repeatable holes of 8 mm diameter this bush is seated in the drill plate by its ground outside diameter of 12 mm. The drill stays guided across 10 mm of length, and the bore is rounded on both sides.

Benefits

• Outside diameter of 12 mm as a ground seat in the drill plate
• Bore rounded on both sides to form B, so the bush can be fitted either way round
• Guide bore of 8 mm to DIN 179 for the matching tool
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Guide length of about 1.2 drill diameters at 10 mm of length
• Overall length of 10 mm in the short version of the range short, medium and long

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 bush is made to DIN 179 in form B, and the bore is rounded on both sides. The material is special case-hardening steel, hardened to 740 ± 80 HV 10 and ground.