Forets creux à alésage conique (conicité 1 : 30) à entraînement par tenons

Specifies the dimensions of shell drills for use on the corresponding arbors for shell reamers in accordance with ISO 2402. Supplements ISO 235-1. Covers only metric dimensions. Applies to shell drills with outside diameters above 23,6 mm up to and including 101,6 mm having taper bores large end diameters from 13 to 40 mm, and to shell drill slots.