Drill bush DIN 179 form A, medium type, bore 5 mm, length 12 mm, outside dia 8 mm

Where a hole of 5 mm has to sit in the same place on every part, this DIN 179 bush guides the tool. The medium length of 12 mm supports the drill, and the bore is rounded on one side.

Benefits

• Guide bore of 5 mm to DIN 179 for the matching tool
• Outside diameter of 8 mm as a ground seat in the drill plate
• Bore rounded on one side to form A, with a fixed fitting direction in the jig
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground

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

Dimensions and design follow DIN 179. The material is special case-hardening steel, the hardness is 740 ± 80 HV 10, and the functional surfaces are ground.