TZS 172:2009-ISO 4014:1999 Hexagon head bolts – Product grades A and B

This Standard specifies the characteristics of hexagon head bolts with threads from M1,6 up to and including M64, of product grade A for threads M1,6 to M24 and nominal lengths up to and including 10 d or 150 mm, whichever is shorter and product grade B for threads over M24 or nominal lengths over 10 d or 150 mm, whichever is shorter.

Source of regulation

Tanzania Bureau of Standards (TBS) 

Publication of regulation

TZS 172:2009-ISO 4014:1999 

Date of implementation

17 November 2009 

Regulation file