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QC /T 381 - 2013

Hexagon Outside Head Cone Plugs

QC /T 381 - 2013 六角头锥形螺塞

See all versions and complete specifications: Hexagon Outside Head Cone Plugs — Full Specification Page

Dimensional Specifications — QC /T 381 - 2013 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal	ds_nominal
NPT1/4	24	20	12	23.67	26.75	14	11
NPT1/8	16	16	—	15.73	17.77	11	—
NPT3/8	34	27	16	33.38	37.72	19	20

Related Standards

GB 1152 - 1989— Straight Hydraulic Grease Nipples GB /T 14383 (HHP) - 2021— Forged Threaded Pipe Fittings - Hexagon Head Screw Plug GB /T 2878.4 (PLEH) - 2011— Connections for Hydraulic Fluid Power－ Ports and Stud Ends with Metric Threads and O-ring Sealing - Part 4 : Hex Plugs GB /T 14780 - 2010— Earth-moving Machinery - Drain, Fill and Level Plugs, Type B GB /T 14780 - 2010— Earth-moving Machinery - Drain, Fill and Level Plugs, Type D GB /T 25618.1 - 2010— Earth-moving Machinery - Lubrication Fittings - Part 1 : Nipple Type GB /T 14383 (HHP) - 2008— Forged threaded pipe fittings - Hexagon head screw plug GB /T 19674.2 - 2005

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