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SAE J 531

Square Countersunk Headless Pipe Plugs (NPTF) - CAST

SAE J 531 (130109J) - 2020 内四方孔螺堵(NPTF螺纹)铸造

See all versions and complete specifications: Square Countersunk Headless Pipe Plugs (NPTF) - CAST — Full Specification Page

Dimensional Specifications — SAE J 531 (mm)

Size	P	e	r	k_min	s_max	s_min	ds_max	ds_min	ds_nominal
1/4	14	0.10	2.5	13.7	16.26	0.640	4.6	0.18	0.54
1/8	18	0.08	2.0	8.9	12.06	0.475	3.3	0.13	0.35
3/8	11-1/2	0.11	2.8	13.7	20.07	0.790	5.1	0.20	0.54
1/16	27	0.06	1.5	5.3	7.87	0.310	2.0	0.08	0.21

Related Standards

GB 1155 - 1989— Push-Fit Type Grease Nipples GB /T 14780 - 2010— Earth-moving Machinery - Drain, Fill and Level Plugs, Type A GB /T 14780 - 1993— Earth-Moving Machinery - Drain, Fill and Level Plugs, Type A DIN 906 - 2020— Internal Drive Pipe Plugs - Conical Thread DIN 906 - 2012— Internal Drive Pipe Plugs - Conical Thread DIN 906 - 1992— Hexagon Socket Pipe Plugs DIN 906 - 1983— Hexagon Socket Pipe Plugs JIS D 2101 (1B1) - 2001— Automotive Parts - Type 1B1 Taper Screw Plug

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