GB/T 4264-1984
90 degree countersinks with morse taper shanks and detachable pilots

Be replaced

Standard No.

GB/T 4264-1984

Language

Chinese

Release Date

1984

Published By

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

Replace By

GB/T 4264-2004

Lastest

GB/T 4264-2004

Scope

This standard is applicable to the 90° conical surface countersinking drill with a guide column taper shank for the countersunk head seat of the countersunk head screw specified in the standard GB152-76 "Fastener Through Holes and Countersink Seat Dimensions".

GB/T 4264-1984 history

• 2004 GB/T 4264-2004 Countersinks,90°,with Morse taper shanks and detachable pilots
• 1984 GB/T 4264-1984 90 degree countersinks with morse taper shanks and detachable pilots