ASME B1.21M-1997(R2023)
Metric Screw Threads: MJ Profile

Standard No.

ASME B1.21M-1997(R2023)

Release Date

1997

Published By

American Society of Mechanical Engineers (ASME)

Latest

ASME B1.21M-1997(R2023)

Scope

This standard contains general requirements for MJ screw threads with a basic profile design. Design data is included for standard and special threads.

ASME B1.21M-1997(R2023) history

• 0000 ASME B1.21M-1997(R2023)
• 0000 ASME B1.21M-1997(R2018)
• 0000 ASME B1.21M-1997(R2008)
• 1997 ASME B1.21M-1997 Metric Screw Threads: MJ Profile
• 1978 ASME B1.21M-1978 Metric screw threads - MJ profile