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JB 981 - 1977

Nuts for Weld Coupling

JB 981 - 1977 焊接管接头用螺母

See all versions and complete specifications: Nuts for Weld Coupling — Full Specification Page

Dimensional Specifications — JB 981 - 1977 (mm)

Size	P	k_max	k_min	s_max	s_min	ds_max	k_nominal	ds_nominal
6	M16*1.5	14.5	19	11	8.5	21.9	11.5	18.72
10	M27*1.5	20	32	19	12	36.9	15	31.66
14	M36*2	22	41	28	14	47.3	17	40.66
18	M52*2	29	60	42	19	69.3	23	59.6
22	M60*2	33	70	50

Related Standards

GB /T 9125.1 - 2020— Hexagon Nuts for Pipe Flange Connection, Type 1 GB /T 9125.1 - 2020— Hexagon Nuts for Pipe Flange Connection, Type 2 GB /T 9125.2 - 2020— Hexagon Nuts for Pipe Flange Connection, Type 1 GB /T 9125.2 - 2020— Hexagon Nuts for Pipe Flange Connection, Type 2 GB /T 9125 - 2010— Hexagon Nuts for Pipe Flange Connection, Type 1 GB /T 5647 - 2008— Flared Couplings - Style A Nut GB /T 5649 - 2008— Flared Couplings - Lock Nut GB /T 9125 - 2003— Hexagon Nuts for Pipe Flange Connection, Type 1

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