ISO 3940:1977 pdf download. Tapered die-sinking cutters with parallel shanks.
1 SCOPE AND FIELD OF APPLICATION
This International Standard specifies the dimensions of tapered die-sinking cutters with plain parallel or parallel flatted shanks.
These cutters are in particular intended for directly obtaining clearances of moulds, patterns and dies. when these exceed 2°52′.
This International Standard applies to flat-end cutters and ball-nosed cutters.
2 REFERENCES
ISO 3338/1, Paralle shanks for milling cutters-Part I:Dimensional characteristics of plain parallel shanks.
ISO 3338/II, Parallel shanks for milling cutters-Part II:Dimensional characteristics of parallel flatted shanks.

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