GOST 21210-1975
Core bits for core barrels. Types and main dimensions

Standard No.

GOST 21210-1975

Release Date

1975

Published By

RU-GOST R

Latest

GOST 21210-1975

Scope

This standard applies to roller-cone and bladed drilling heads for drilling wells with core sampling using core-receiving devices

GOST 21210-1975 history

• 1975 GOST 21210-1975 Core bits for core barrels. Types and main dimensions