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ISO 3294:2016

Parallel shank countersinks for angles 60, 90 and 120 degrees inclusive

General information
Valid from 21.07.2016
Directives or regulations
None
Standard history
Status
Date
Type
Name
21.07.2016
Main
ISO 3294:2016 specifies the dimensions of parallel shank countersinks for angles 60�, 90� and 120� inclusive. It specifies dimensions in metric units only, these being regarded as the only recommended dimensions in the future, for countersinks with cutting diameters in the range 8 mm to 25 mm. The dimensions apply only to tools made from high-speed steel. However, if the method of production allows, the shanks may be manufactured from a suitable alternative material, such as a carbon steel. Unless otherwise indicated, the countersinks will be right-hand cutting. Morse taper shank countersinks are the subject of ISO 3293.
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