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Homepage>BS Standards>25 MANUFACTURING ENGINEERING>25.100 Cutting tools>25.100.30 Drills, countersinks, reamers>BS ISO 2540:2016 Centre drills for centre holes with protecting chamfer. Type B
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immediate downloadReleased: 2016-11-30
BS ISO 2540:2016 Centre drills for centre holes with protecting chamfer. Type B

BS ISO 2540:2016

Centre drills for centre holes with protecting chamfer. Type B

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Standard number:BS ISO 2540:2016
Pages:16
Released:2016-11-30
ISBN:978 0 580 83627 5
Status:Standard
DESCRIPTION

BS ISO 2540:2016


This standard BS ISO 2540:2016 Centre drills for centre holes with protecting chamfer. Type B is classified in these ICS categories:
  • 25.100.30 Drills, countersinks, reamers

This International Standard specifies the dimensions of centre drills for centre holes with protecting chamfer — Type B.

It covers only metric dimensions, regarded as the only recommended dimensions in the future for this type of drills.

The flutes can be straight or spiral at the option of manufacturer. Unless otherwise stated, these drills are right-hand cutting.

Annex A gives the recommended dimensions for the centre holes, Type B, which can be obtained by a rational use of the centre drills listed in this International Standard.