Cylindrical drill bush DIN 179 form B, bore 1.6 mm, length 6 mm, outside dia 4 mm, ground

For repeatable holes of 1.6 mm diameter this bush is seated in the drill plate by its ground outside diameter of 4 mm. The drill stays guided across 6 mm of length, and the bore is rounded on both sides.

Benefits

• Outside diameter of 4 mm as a ground seat in the drill plate
• Guide bore of 1.6 mm to DIN 179 for the matching tool
• Bore rounded on both sides to form B, so the bush can be fitted either way round
• Overall length of 6 mm in the short version of the range short, medium and long
• Guide length of about 3.8 drill diameters at 6 mm of length

Applications

• Fixed drill plates and hinged drilling jigs
• One-off and small batch production in mechanical engineering
• Drilling fitted holes on assemblies with a fixed hole position
• Inspection and marking templates in assembly

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.