This International Standard deals with
— shell reamers with taper bore, taper 1 : 30 (included) with slot drive (Tables 1 and 2);
— the corresponding arbors for shell reamers (Tables 3 and 4).
It gives dimensions
— for shell reamers with outside diameters above 19,9 mm (0.783 5 in) up to and including 101,6 mm
(4 in) having taper bores with large end diameters d1 from 10 mm (0.393 7 in) to 50 mm (1.968 5 in)
and for the corresponding arbors;
— for shell reamer slots and arbor tenons (Tables 5 and 6), in order to ensure interchangeability of
shell reamers and corresponding arbors, and details of a method of checking the taper elements.
It supplements ISO/R 236 and ISO/R 521.