Drill bush DIN 179 form B, bore 9 mm, length 12 mm, outside dia 15 mm, hardened steel

The short version of this DIN 179 bush guides drills of 9 mm over an overall length of 12 mm. In form B the bore is rounded on both sides, which makes work in the jig easier.

Benefits

• Bore rounded on both sides to form B, so the bush can be fitted either way round
• Guide bore of 9 mm to DIN 179 for the matching tool
• Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Outside diameter of 15 mm as a ground seat in the drill plate
• Guide length of about 1.3 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

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.