Name: Nylon Lock Nut
Brand: Shenzhen Xintegu Hardware Co.,Ltd.

Nylon Lock Nut

A nylon lock nut, also commonly known as a nyloc nut, is a type of fastener that includes a nylon insert that helps to prevent the nut from loosening under vibration and torque. This nut is widely used in applications where a secure hold is essential, especially when the assembly is subjected to frequent movements or vibrations.

How to Properly Install a Nylon Lock Nut

Ensure Compatibility: Verify that the nylon lock nut matches the bolt or stud in size and thread type.

Clean Threads: Check that both the bolt and nylon lock nut are free from debris for smooth threading.

Align and Hand-Tighten: Align the nylon lock nut with the bolt and hand-tighten it to ensure proper engagement.

Use the Right Tool: Employ a suitable wrench or socket to tighten the nut to the manufacturer's recommended torque specifications. Avoid using improper tools.

Inspect and Verify: Ensure the nylon insert is properly seated and the nut is securely tightened. Regularly inspect the connection, especially in high-vibration settings, and replace the nut if necessary.

Specifications of Nylon Lock Nut

Thread size (d)
P	Pitch	Coarse teeth
		Fine teeth 1
		Fine teeth 2
d_a	Minimum value
	Maximum value
d_w	Minimum value
e	Minimum value
h	Maximum value=nominal value
	Minimum value
m	Minimum value
m_w	Minimum value
s	Maximum value=nominal value
	Minimum value
Thousand pieces weight kg

Thread size (d)
P	Pitch	Coarse teeth
		Fine teeth 1
		Fine teeth 2
d_a	Minimum value
	Maximum value
d_w	Minimum value
e	Minimum value
h	Maximum value=nominal value
	Minimum value
m	Minimum value
m_w	Minimum value
s	Maximum value=nominal value
	Minimum value
Thousand pieces weight kg

M3	M4	M5	M6	M7	M8	M10	M12	M14	M16	M18
0.5	0.7	0.8	1	1	1.25	1.5	1.75	2	2	2.5
/	/	/	/	/	1	1	1.5	1.5	1.5	2
/	/	/	/	/	/	1.25	1.25	/	/	1.5
3	4	5	6	7	8	10	12	14	16	18
3.45	4.6	5.75	6.75	7.75	8.75	10.8	13	15.1	17.3	19.5
4.6	5.9	6.9	8.9	9.6	11.6	15.6	17.4	20.5	22.5	24.9
6.01	7.66	8.79	11.05	12.12	14.38	18.9	21.1	24.49	26.75	29.56
4	5	5	6	7.5	8	10	12	14	16	18.5
3.7	4.7	4.7	5.7	7.14	7.64	9.64	11.57	13.3	15.3	17.66
2.4	2.9	3.2	4	4.7	5.5	6.5	8	9.5	10.5	13
1.65	2.2	2.75	3.3	3.85	4.4	5.5	6.6	7.7	8.8	9.9
5.5	7	8	10	11	13	17	19	22	24	27
5.32	6.78	7.78	9.78	10.73	12.73	16.73	18.67	21.67	23.67	26.16
0.5	1	1.4	2.4	3	5.1	10.6	17.2	26	34	45

M20	M22	M24	M27	M30	M33	M36	M39	M42	M45	M48
2.5	2.5	3	3	3.5	3.5	4	4	4.5	4.5	5
2	2	2	2	2	2	3	3	3	3	3
1.5	1.5	/	/	/	/	/	/	/	/	/
20	22	24	27	30	33	36	39	42	45	48
21.6	23.7	25.9	29.1	32.4	35.6	38.9	42.1	45.4	48.6	51.8
27.7	29.5	33.2	38	42.7	46.6	51.1	55.9	60.6	64.7	69.4
32.95	35.03	39.55	45.2	50.85	55.37	60.79	66.44	72.09	76.95	82.6
20	22	24	27	30	33	36	39	42	45	48
18.7	20.7	22.7	25.7	28.7	31.4	34.4	37.4	40.4	43.4	46.4
14	15	15	17	19	22	25	27	29	32	36
11	12.2	13.2	14.8	16.5	18.2	19.8	21.5	23.1	24.8	26.5
30	32	36	41	46	50	55	60	65	70	75
29.16	31	35	40	45	49	53.8	58.8	63.8	68.1	73.1
65	75	100	162	212	317	415	499	628	771	998
①, Product grade: ≤ M 16: Grade A > M 16: Grade B ②, Material: Steel, Performance grade: ≤ M39: 5, 6, 8, 10; > M39: by agreement. Standard DIN 267-4 Only for fine-pitch nuts Insert material, such as: nylon