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Q 129

Double End Studs

Q 129B 双头螺柱

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Dimensional Specifications — Q 129 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal	ds_nominal
M10	1.75	22.95	12	1.5	24	25.05	11.57
M12	2.5	42.75	22	2	44	45.25	21.48

Related Standards

GB /T 9125.1 - 2020— Double End Studs for Pipe Flange Connection - PN Designated GB /T 9125 - 2010— Double End Studs - Product Grade B for Pipe Flange Connection GB /T 9125 - 2010— Double End Studs for Pipe Flange Connection GB /T 9125 - 2003— Double End Studs for Pipe Flange Connection GB /T 897 - 1988— Double End Studs, bm=1d GB /T 898 - 1988— Double End Studs-bm=1.25d GB /T 899 - 1988— Double End Studs b1=1.5d GB /T 900 - 1988— Double End Studs-bm=2d

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