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GB /T 9125 - 2003

Hexagon Nuts for Pipe Flange Connection, Type 1

GB /T 9125 - 2003 管法兰连接用1型六角螺母（配合六角头螺栓使用）

See all versions and complete specifications: Hexagon Nuts for Pipe Flange Connection, Type 1 — Full Specification Page

Dimensional Specifications — GB /T 9125 - 2003 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal
M10	1.75	18	17.73	20.03	10.8	10.37
M12	2	24	23.67	26.75	14.8	14.1
M14	3	36	35	39.55	21.5	20.2
M16	3.5	46	45	50.85	25.6	24.3
M20	3.5	50	49	55.37	28.7	27.4

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 DIN 74305-2 - 1994— Non-Welded Tube Connection Hex Nut

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