ISO 21670:2003 specifies characteristics for hexagon weld nuts with flange, with sizes M5 to M16 (coarse thread) and M12 to M16 (fine thread), of product grade A.
Weld nuts conforming to this International Standard are suitable for use with bolts of property classes up to 10.9 in accordance with ISO 898-1.
Status: WithdrawnPublication date: 2003-10
Edition: 1Number of pages: 4
Technical Committee: ISO/TC 2/SC 12 Fasteners with metric internal thread
- ICS :
- 21.060.20 Nuts
ISO 21670:2003Stage: 95.99
Got a question?
Check out our FAQs
+41 22 749 08 88
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)
Keep up to date with ISO
Sign up to our newsletter for the latest news, views and product information.