BS ISO 3293:2016 pdf free
BS ISO 3293:2016 pdf free.Morse taper shank countersinks for angles 60 degrees, 90 degrees and 120 degrees inclusive
This International Standard specifies the dimensions of Morse taper 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 16 mm to 80 mm.
The dimensions given 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.
The Morse taper shanks are in accordance with ISO 296.
Unless otherwise indicated, the countersinks will be right-hand cutting.
Parallel shank countersinks are the subject of ISO 3294.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 296, Machine tools一Self-holding tapers for tool shanks
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity asssment,as well as information about ISO’s adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html The committee responsible for this document is ISO/TC 29, Small tools, Subcommittee SC 9, Tools with defined cutting edges, cutting items.
This second edition cancels and replaces the first edition (ISO 3293:1975), of which it constitutes a minor revision.BS ISO 3293 pdf free.