- Publication Date: 2008-07-21
ISO 12257:2008 specifies the dimensions of metric internal six-lobe drives used in metric screws in nominal thread diameter range 3 mm to 20 mm.
$45.20
Share this Standard
The Source River Centre,
1000 Bacardi Road,
P. O. Box N-4843,
Nassau, N.P.,
The Bahamas
info@bbsq.bs
+1 (242) 362-1748 – 55
