Drill bushes A179 - DIN 179

Material : 16CrNi4 - Case-hardened

Standard : DIN 179

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:

• Can be flush fitted on the guide plate
• Precise guiding and drilling
• High resistance
• Easy and quick postioning

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 :A179.0700.016