Drill bushes flanged A172 - DIN 172

Drill bushes flanged A172 - DIN 172

The A172 flanged drill bushes are used to guide drill bits or shaft in mechanisms requiring precise alignment. They can therefore be used to drill with high precision and repeatability. The collar locks the bushe axially.

Specifications

Material : 16CrNi4 - Case-hardened

Standard : DIN 172

Dimensions :

  • Press-fit diameter : from 3 to 78mm
  • Internal guide diamete : from 0.9 to 63mm
  • Length : from 8 to 78mm

Hardness : 60 - 62 Hrc

Treatment : Case hardening and tempering for optimum surface hardness.

Benefits :

  • Collar locks the bushe axially.
  • Precise guiding and drilling
  • High resistance
  • Easy and quick postioning
  • Larger entry radius

Tolerances :

  • External diameter : F7
  • Internal diameter : m6 or n6

Conception :

  • Grinding
  • Honing / Boring

Recommendation for use :

Mounting : The drill bushes are fitted directly in the guide plate at a distance of approximately 0.5 x of the drill of the workpiece. The bore for the drill bush is H7.


To order you need to indicate : 

  • The corresponding reference based on your need

Example : A172.0700.016

3D Model

Plan

d1 : Internal drill bushes diameter

d2 : External drill bushes diameter

d3 : Collar drill bushes diameter

L1 : Length drill bushes

L2 : Collar length

DH7 : Bore diameter drill bushes plate

Schéma canon de perçage à collerette A172 - DIN 172. Ces canons de perçage standards de la marque MDL sont fabriqués et vendus par la société AMDL conformément à la norme DIN 172.

Catalogue

Download the full catalogue

FAQ

A specific request?

Your satisfaction is our priority. Contact us if you have a special request.