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Guides drills and reamers of 28.5 mm diameter accurately and protects the jig from wear. The overall length of 45 mm provides a balanced guiding section. The material is hardened case-hardening steel at 740 ± 80 HV 10, form B.

Collar drill bushing DIN 172 form B, bore 28.5 mm, length 45 mm, collar 46 mm, hardened steel

FLUIDICS EQUIPMENT Original product
Net price (excl. VAT)
€26.56
Item FL-754881
Manufacturer no. 172-28,5X45-B
Personal expert advice
Brand new Specialist dealer since 2009 Original product Worldwide shipping
Product data
Manufacturer no.172-28,5X45-B
EAN4050571987671
Customs tariff number73269098
ConditionNew
Artikel
FL-754881

When drilling in jigs, this bushing keeps the 28.5 mm tool on position. The guiding length is 45 mm, the press fit measures 42 mm in diameter and the collar 46 mm.

Benefits

  • Form B to DIN 172, the bore is rounded on both sides and can be loaded from either end
  • Bore 28.5 mm, ground and dimensionally accurate to DIN 172
  • Overall length 45 mm in the medium series
  • Outside diameter 42 mm for the press fit in the drill plate
  • Collar 46 mm with 5.0 mm height for axial location
  • Case-hardening steel, hardened to 740 ± 80 HV 10 and ground

Technical data

PropertyValue
Bore diameter D128.5 mm
Overall length L145 mm
Seriesmedium
Outside diameter D242 mm
Collar diameter D346 mm
Collar height L25.0 mm
Bore designrounded on both sides (form B)
Materialcase-hardening steel, hardened and ground
Hardness740 ± 80 HV 10
StandardDIN 172 form B

Applications

It is used wherever holes of 28.5 mm have to be produced without centre punching and without wandering, for example in jigs for series parts, in assembly gauges or in prototype work.

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.

More Information
Weight 0.280000
Manufacturer Fluidics equipment
Hersteller-Nr 172-28,5X45-B
EAN 4050571987671
Zolltarifnummer 73269098
GPSR Herstellerdaten A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment
Artikelzustand New
Artikel-Authentizität Original product
Bauform mittel
Bauform Bohrung beidseitig abgerundet (Form B)
Norm DIN 172