ISO 10208:1991Published

Rock drilling equipment — Left-hand rope threads

Matériel de forage des roches — Filetage corde à gauche

Abstract / scope

Defines dimensions and tolerances of left-hand rope threads to be used on rope threaded drill steel equipment for percussive drilling. Five sets of values are given.

Life cycle

Replaces

ISO 1720:1974WithdrawnRock drilling — Extension drill-steel equipment for percussive long-hole drilling — Rope-threaded equipments 1 1/2 to 2 in (38 to 51 mm)International Standard · Published 1 Jul 1974 · ISO/TC 82 ISO 1719:1974WithdrawnRock drilling — Extension drill-steel equipment for percussive long-hole drilling — Rope-threaded equipments 7/8 to 1 1/4 in (22 to 32 mm)International Standard · Published 1 Sep 1974 · ISO/TC 82