GB/T 4259-2004
Countersinks-Technical requirements

Standard No.

GB/T 4259-2004

Language

Chinese

Release Date

2004

Published By

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

Lastest

GB/T 4259-2004

Scope

This standard specifies the basic requirements for position tolerance, material and hardness, appearance and surface roughness, marking and packaging of 60°, 90°, 120° conical countersinks. This standard is applicable to 60°, 90°, 120° conical countersinks produced according to GB/T 1143 and GB/T 4258.

GB/T 4259-2004 history

• 2004 GB/T 4259-2004 Countersinks-Technical requirements
• 1984 GB/T 4259-1984 Countersinks--Technical requirements