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Prevailing Torque Nuts

Prevailing Torque Nuts – DIN 980-V, DIN 980-M

Pankaj International is a trusted manufacturer and exporter of Prevailing Torque Lock Nuts from India. With decades of expertise in the fastener industry, we deliver high-quality, durable, and reliable torque nuts that meet international standards.

Our range of Prevailing Torque Nuts includes hex nuts, flange nuts, lock nuts, nylon insert nuts, and weld nuts – all designed to resist loosening under vibration, shock, and heavy loads.

Size Range

Diameter Metric: M8 to M39
Class: 4, 6, 8, 10, 12

Length ---

More Details

Technical Specifications

980 M hex nuts dimensions

Screw Thread (d)	M8	M10	M12	M14	M16	M18	M20	M22	M24	M27	M30	M33	M36	M39
Pitch (P)	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3	3	3.5	3.5	4	4
Fine Thread (P)	1	1.25	1.5	1.5	1.5	2	2	2	2	2	2	2	3	3
Fine Thread (2)	-	-	1.25	-	-	1.5	1.5	1.5	-	-	-	-	-	-
e min	14.38	18.9	21.1	24.49	26.75	29.56	32.95	35.03	39.55	45.2	50.85	55.37	60.79	66.44
h max	8	10	12	14	16	18	20	22	24	27	30	33	36	39
h min	7.5	9	11	12	14	16	18	20	22	25	28	31	34	37
s max	13	17	19	22	24	27	30	32	36	41	46	50	55	60
s min	12.73	16.73	18.67	21.67	23.67	26.16	29.16	31	35	40	45	49	53.8	58.8

980 V hex nuts dimensions

Thread Size d	M8	M10	M12	M14	M16	M18	M20	M22	M24	M27	M30	M33	M36	M39
P Coarse thread	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3	3	3.5	3.5	4	4
P Fine thread 1	1	1.25	1.5	1.5	1.5	2	2	2	2	2	2	2	3	3
P Fine thread 2	-	1.25	1.25	-	-	1.5	1.5	1.5	-	-	-	--	-	-
d_a max	8.75	10.80	13.00	15.10	17.30	19.5	21.6	23.7	25.9	29.1	32.4	35.6	38.9	42.1
d_a min	8.00	10.00	12.00	14.00	16.00	18	20	22	24	27	30	33	36	39
d_w min	11.6	15.6	17.4	20.5	22.5	24.9	27.1	29.3	33.2	38.0	42.7	46.6	51.1	55.9
e min	14.38	18.90	21.10	24.49	26.75	29.56	32.95	35.03	39.55	45.20	50.85	55.37	60.79	66.44
h max=nominal size	8	10	12	14	16	18	20	22	24	27	30	33	36	39
h min	7.5	9	11	12	14	16	18	20	22	25	28	31	34	37
m_w min	4.4	5.5	6.6	7.7	8.8	9.9	11	12.1	13.2	14.8	16.5	18.2	19.8	21.5
s max=nominal size	13	17	19	22	24	27	30	32	36	41	46	50	55	60
s min	12.73	16.73	18.67	21.67	23.67	26.16	29.16	31	35	40	45	49	53.8	58.8