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SAE J 531

Square Countersunk Headless Filler and Drain Plugs (PTF) - UPSET

SAE J 531 (130109K) - 2020 加注和排出口用内四方孔螺堵(PTF螺纹)锻造

See all versions and complete specifications: Square Countersunk Headless Filler and Drain Plugs (PTF) - UPSET — Full Specification Page

Dimensional Specifications — SAE J 531 (mm)

Size	P	k_min	s_max	s_min	ds_max	ds_min	ds_nominal
1/4	14	13.03	14.48	0.570	2.3	0.09	0.513
1/8	18	8.23	10.80	0.425	1.5	0.06	0.324
3/8	11-1/2	13.03	18.03	0.710	3	0.12	0.513
1/16	27	5	7.11	0.280	1.5	0.06	0.197

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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