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GB /T 5649 - 2008

Flared Couplings - Lock Nut

GB /T 5649 - 2008 管接头用锁紧螺母

See all versions and complete specifications: Flared Couplings - Lock Nut — Full Specification Page

Dimensional Specifications — GB /T 5649 - 2008 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal
M10	1.5	8.5	17	16.8	2	7.5
M12	1.5	9	22	21.8	2	7.5
M14	1.5	11	27	26.8	2.5	8
M16	2	13.5	32	31.8	2.5	10
M18	2	14	50	49.8	3	10
M20	2	15	55	54.8

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 9125 - 2003— Hexagon Nuts for Pipe Flange Connection, Type 1 DIN 74305-2 - 1994— Non-Welded Tube Connection Hex Nut

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