M00000498
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ISO 3338-2 7th Edition, August 15, 2013 Cylindrical shanks for milling cutters - Part 2: Dimensional characteristics of flatted cylindrical shanks
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Availability date: 07/13/2021
Description / Abstract:
This part of ISO 3338 specifies the dimensions of flatted
cylindrical shanks for milling cutters, of diameters 6 mm to 20 mm
for single-flatted shanks, of 25 mm to 63 mm for double-flatted
shanks and of 6 mm to 32 mm for shank with inclined clamping
surface. In the case of single-flatted shanks, it is applicable to
both single-ended cutters and double-ended cutters, as
double-flatted shanks cannot admit single-ended cutters.
The dimensions of plain cylindrical shanks and threaded shanks
are given in ISO 3338-1 and ISO 3338-3, respectively.
The two shank types covered by ISO 3338-1 and this part of ISO
3338 have the same dimensional characteristics (diameters and
lengths), but different tolerances on diameters, namely:
— h8 for plain cylindrical shanks, commonly used for tools
mounted in collets;
— h6 for flatted cylindrical shanks, intended to be mounted in
chucks and secured with a clamping screw, and requiring an accuracy
adjustment.