Collar drill bushing form B to DIN 172, bore 2.8 x 16 mm, collar 9 mm, case-hardening steel

With a bore of 2.8 mm and an overall length of 16 mm, this bushing keeps the tool on track inside the drilling jig. The collar of 9 mm diameter and 2.5 mm height bears on the drill plate and secures the bushing against axial slipping.

Benefits

• Bore 2.8 mm, ground and dimensionally accurate to DIN 172
• Overall length 16 mm in the long series
• Outside diameter 6 mm for the press fit in the drill plate
• Collar 9 mm with 2.5 mm height for axial location
• Case-hardening steel, hardened to 740 ± 80 HV 10 and ground
• Form B to DIN 172, the bore is rounded on both sides and can be loaded from either end

Applications

It suits drilling jigs, drill templates and assembly fixtures in which the tool has to be guided safely over 16 mm, even with frequent tool changes.

Standard and material

The design complies with DIN 172 form B. In form B the bore is rounded on the opposite side as well. The material is case-hardening steel, hardened to 740 ± 80 HV 10 and ground.