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Alloy Steel Corrosion-resistant Anti-loose Screw

Name: Alloy Steel Corrosion-resistant Anti-loose Screw
Brand: Shenzhen Xintegu Hardware Co.,Ltd.

The Alloy Steel Corrosion-resistant Anti-loose Screw is a high-performance fastener engineered to provide exceptional durability and security in challenging environments. Made from premium alloy steel, this screw is treated with an advanced corrosion-resistant finish, making it ideal for use in outdoor, marine, or industrial applications where exposure to moisture and corrosive elements is frequent. The anti-loose design incorporates innovative features that prevent the screw from loosening due to vibrations or thermal expansion, ensuring a secure and permanent installation. Perfect for structures requiring a robust, long-lasting fastening solution.

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Specifications of Alloy Steel Corrosion-resistant Anti-loose Screw

Thread Size (d)
P	Pitch
b	Ref.
d_a	max
d_k	max
d_k	min
d₁	Ref.
d_s	max
d_s	min
d_w	min
e	min
k	max
k	min
r₃	max
r₃	min
r₁	min
r₂	min
s	Nominal Size
	max
	min
t	min
w	min
Minimum tensile load(N)	8.8②
	10.9②
	12.9/12.9②
	70③
	80③
Length of Thread b	ref.

M3	M4	M5	M6	M8	M10	M12	M16
0.5	0.7	0.8	1	1.25	1.5	1.75	2
18	20	22	24	28	32	36	44
3.6	4.7	5.7	6.8	9.2	11.2	13.7	17.7
5.7	7.6	9.5	10.5	14	17.5	21	28
5.4	7.24	9.14	10.07	13.57	17.07	20.48	27.48
2.6	3.8	5	6	7.7	10	12	16
3	4	5	6	8	10	12	16
2.86	3.82	4.82	5.82	7.78	9.78	11.73	15.73
5	6.84	8.74	9.57	13.07	16.57	19.68	26.68
2.303	2.873	3.443	4.583	5.723	6.863	9.149	11.429
1.65	2.2	2.75	3.3	4.4	5.5	6.6	8.8
1.4	1.95	2.5	3	4.1	5.2	6.24	8.44
3.7	4.6	5.75	6.15	7.95	9.8	11.2	15.3
3.3	4.2	5.25	5.65	7.45	9.2	10.5	14.5
0.1	0.2	0.2	0.25	0.4	0.4	0.6	0.6
0.3	0.4	0.45	0.5	0.7	0.7	1.1	1.1
2	2.5	3	4	5	6	8	10
2.08	2.58	3.08	4.095	5.14	6.14	8.175	10.175
2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025
1.04	1.3	1.56	2.08	2.6	3.12	4.16	5.2
0.2	0.3	0.38	0.74	1.05	1.45	1.63	2.25
3220	5620	9080	12900	23400	37100	53900	100000
4180	7300	11800	16700	30500	48200	70200	130000
4910	8560	13800	19600	35700	56600	82400	154000
2810	4910	7950	11200	20400	32400	47200	87900
3220	5620	9080	12900	23400	37100	53900	100000
-	-	-	-	-	-	-	-
①, emin=1.14smin.Combined gauging of socket dimensions and, see ISO 23429. ②, 80% of the value for Fm.min specifies in ISO 898-1. ③, 80% of the values for Fm.min (Rm.min × As.nom). Rm.min and As.nom are specified in ISO 3506-1.