JIS B 1200:2018 specifies characteristics for hexagon weld nuts with flange, with sizes M5 to M16 (coarse thread) or D = 8 mm to 16 mm (fine pitch thread), of product grade A (hereafter referred to as nuts).
JIS B 1200:2018 History
JIS B 1200:2018
$21.00 $43.00
JIS B 1200:2007
$19.00 $39.00
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JIS G 0592:2002
$16.00 $32.00
JIS K 0055:2002
$32.00 $64.00
JIS B 0671-2:2002
$27.00 $54.00
JIS T 7401-6:2002
$16.00 $32.00