Name: 304 Plug Screw
Brand: Shenzhen Xintegu Hardware Co.,Ltd.

304 Plug Screw

A 304 plug screw is a type of fastener typically used to securely close off or seal unused holes in machinery, piping, or other equipment. Made from 304-grade stainless steel, these screws are highly resistant to corrosion and oxidation, making them ideal for use in environments exposed to moisture and various chemicals. The 304 stainless steel provides durability and reliable performance in both indoor and outdoor applications.

304 Plug Screw Key Characteristics

Corrosion Resistance: 304 stainless steel, with its chromium-nickel content, offers excellent resistance to a wide range of atmospheric, chemical, and water-based environments.

Durability: The strength and toughness of 304 stainless steel ensure that these plug screws can withstand significant wear and tear without compromising their integrity.

Non-Magnetic: In its annealed state, 304 stainless steel is generally non-magnetic, which is advantageous in applications where magnetic interference should be minimized.

Specifications of 304 Plug Screw

Thread size (d)

P	Thread pitch
	Thread pitch
d	Pipe thread/R
L	Nominal (js16)
	Maximum value
	Minimum value
e	Minimum value
s	Nominal (D12)
	Maximum
	Minimum value
t₁	Minimum value
Slot number	Refer to DIN EN ISO 10664
A	Refer to DIN EN ISO 10664
B	Refer to DIN EN ISO 10664
t₂	Minimum value
Slot number	According to DIN 34824
c	According to DIN 34824	Minimum value
		Maximum value
t₃	Minimum value
w	Minimum value
Thousand pieces weight kg

Thread size (d)

P	Thread pitch
	Thread pitch
d	Pipe thread/R
L	Nominal (js16)
	Maximum value
	Minimum value
e	Minimum value
s	Nominal (D12)
	Maximum
	Minimum value
t₁	Minimum value
Slot number	Refer to DIN EN ISO 10664
A	Refer to DIN EN ISO 10664
B	Refer to DIN EN ISO 10664
t₂	Minimum value
Slot number	According to DIN 34824
c	According to DIN 34824	Minimum value
		Maximum value
t₃	Minimum value
w	Minimum value
Thousand pieces weight kg

M6	M8	M10 1/8	M12	1/4	M14	M16	3/8	M18	M20	1/2	M22	M24
M6	M8	M10 1/8	M12	1/4	M14	M16	3/8	M18	M20	1/2	M22	M24
1	1	1	1.5	-	1.5	1.5	-	1.5	1.5	-	1.5	1.5
-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	R 1/8	-	R 1/4	-	-	R 3/8	-	-	R 1/2	-	-
6	8	8	10	10	10	10	10	10	10	10	10	12
6.375	8.45	8.45	10.45	10.45	10.45	10.45	10.45	10.45	10.45	10.45	10.45	12.55
5.625	7.55	7.55	9.55	9.55	9.55	9.55	9.55	9.55	9.55	9.55	9.55	11.45
3.443	4.583	5.723	6.863	8.009	8.009	9.149	9.149	9.149	11.429	11.429	11.429	13.716
3	4	5	6	7	7	8	8	8	10	10	10	12
3.08	4.095	5.14	6.14	7.175	7.175	8.175	8.175	8.175	10.175	10.175	10.175	12.212
3.02	4.02	5.02	6.02	7.025	7.025	8.025	8.025	8.025	10.025	10.025	10.025	12.032
3	4	4	5	5	5	5	5	5	5	5	5	6
-	25	30	40	40	45	50	50	50	55	55	55	60
-	4.5	5.6	6.75	6.75	7.93	8.95	8.95	8.95	11.35	11.35	11.35	13.45
-	3.25	4.05	4.85	4.85	5.64	6.45	6.45	6.45	8.05	8.05	8.05	9.6
-	2	2.5	2.7	2.7	2.9	3.7	3.7	3.7	4.6	4.6	5.4	6.4
-	N5	N6	N8	N8	N8	N10	N10	N10	N12	N12	N14	N16
-	4.86	6.06	7.28	7.28	7.28	9.69	9.69	9.69	11.51	11.51	13.32	15.73
-	4.94	6.16	7.4	7.4	7.4	9.84	9.84	9.84	11.7	11.7	13.54	15.99
-	2	2.5	2.9	2.9	2.9	3.7	3.7	3.7	4.6	4.6	5.4	6.4
1.8	1.8	1.8	2	2	2	2	2	2	2	2	2	2
0.85	2.1	3.4	6.1	7	8.1	11	12.2	14.6	17.6	19	22	30.8

M26	M27 3/4	M30	M33 1	M36	M38	M39	M42 1-1/4	M45	M48 1-1/2	M52	M56	M60
M26	M27 3/4	M30	M33 1	M36	M38	M39	M42 1-1/4	M45	M48 1-1/2	M52	M56	M60
1.5	-	1.5	-	1.5	1.5	-	1.5	1.5	1.5	1.5	-	-
-	2	2	2	2	-	2	2	2	2	2	2	2
-	R 3/4	-	R 1	-	-	-	R 1-1/4	-	R 1-1/2	-	-	-
12	12	12	12	15	15	15	18	18	20	20	22	22
12.55	12.55	12.55	12.55	15.55	15.55	15.55	18.55	18.55	20.65	20.65	22.65	22.65
11.45	11.45	11.45	11.45	14.45	14.45	14.45	17.45	17.45	19.35	19.35	21.35	21.35
13.716	13.716	19.437	19.437	21.734	21.734	21.734	25.154	25.154	27.434	27.434	36.571	36.571
12	12	17	17	19	19	19	22	22	24	24	32	32
12.212	12.212	17.23	17.23	19.275	19.275	19.275	22.275	22.275	24.275	24.275	32.33	32.33
12.032	12.032	17.05	17.05	19.065	19.065	19.065	22.065	22.065	24.065	24.065	32.08	32.08
6	6	6	6	7.5	7.5	7.5	11.5	11.5	11.5	11.5	13	13
60	60	80	80	-	-	-	-	-	-	-	-	-
13.45	13.45	17.75	17.75	-	-	-	-	-	-	-	-	-
9.6	9.6	12.8	12.8	-	-	-	-	-	-	-	-	-
6.4	6.4	7.3	7.3	-	-	-	-	-	-	-	-	-
N16	N16	N18	N18	-	-	-	-	-	-	-	-	-
15.73	15.73	16.94	16.94	-	-	-	-	-	-	-	-	-
15.99	15.99	17.18	17.18	-	-	-	-	-	-	-	-	-
6.4	6.4	7.3	7.3	-	-	-	-	-	-	-	-	-
2	2	2	2	3	3	3	3	3	4	4	4	4
38.6	40.2	44	57.5	85.2	94.4	103	135	167	214	253	274	350
①, e min ≈ 1.14 s min ②, DIN 158-1: Metric tapered external threads and matching cylindrical internal threads, DIN 3858: Whitworth pipe threads for pipe clamps, parallel internal threads and tapered external threads