GB/T 6078.2-1998
Centre drills. Part 2: Centre drills for centre holes with protecting chamfers--Type B. Dimensions (English Version)

Standard No.

GB/T 6078.2-1998

Language

Chinese, Available in English version

Release Date

1998

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2016-09

Replace By

GB/T 6078-2016

Latest

GB/T 6078-2016

Scope

This standard specifies the types and dimensions of center drills with guard cones - Type B. This standard applies to type B center drills with protective cones for processing type B center holes (see GB/T145).

GB/T 6078.2-1998 history

• 2016 GB/T 6078-2016 Center drill
• 1998 GB/T 6078.2-1998 Centre drills. Part 2: Centre drills for centre holes with protecting chamfers--Type B. Dimensions

GB/T 6078.2-1998 -All Parts