TCVN 55-1977
Square head screws with washer face.Construction and dimensions

Standard No.

TCVN 55-1977

Release Date

2008

Published By

VN-TCVN

Latest

TCVN 55-1977

TCVN 55-1977 history

• 2008 TCVN 55-1977 Square head screws with washer face.Construction and dimensions
• 1963 TCVN 55-1963