GB/T 4261-1984
Counterbores with morse taper shanks and detachable pilots

Be replaced

Standard No.

GB/T 4261-1984

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 4261-2004

Lastest

GB/T 4261-2004

Scope

This standard is applicable to the processing of hexagonal head bolts, hexagonal nuts with washers, and cylindrical head screws (including hexagonal socket screws and internal spline screws) specified in the standard GB152-76 "Fastener Through Hole and Countersunk Head Seat Dimensions". Countersink drill with taper shank on headstock.

GB/T 4261-1984 history

• 2004 GB/T 4261-2004 Counterbores with Morse taper shanks and detachable pilots
• 1984 GB/T 4261-1984 Counterbores with morse taper shanks and detachable pilots