Nut Dimensions

Nut Dimensions Comparision Chart

Metric
Unified
Metric
Size in mm.

THREAD SIZE		DIN 934		DIN 439		DIN 982		DIN 985
		Full Nut		Lock/Half Nut		Nyloc Lock Nut Type “P”		Nyloc Lock Nut Type “T”
		A/F	Th	A/F	Th	A/F	Th	A/F	Th
M	1	2.50	0.08
M	1.2	3.00	1.00
M	1.4	3.00	1.20
M	1.6	3.20	1.30
M	2	4.00	1.60
M	2.5	5.00	2.00
M	3	5.50	2.40	5.50	1.80			5.50	4.00
M	3.5	6.00	2.80
M	4	7.00	3.20	7.00	2.20			7.00	5.00
M	5	8.00	4.00	8.00	2.70	8.00	6.30	8.00	5.00
M	6	10.00	5.00	10.00	3.20	10.00	8.00	10.00	6.00
M	7	11.00	5.50					11.00	7.50
M	8	13.00	6.50	13.00	4.00	13.00	9.50	13.00	8.00
M	10	17.00	8.00	17.00	5.00	17.00	11.50	17.00	10.00
M	12	19.00	10.00	19.00	6.00	19.00	14.00	19.00	12.00
M	14	22.00	11.00	22.00	7.00	22.00	16.00	22.00	14.00
M	16	24.00	13.00	24.00	8.00	24.00	18.00	24.00	16.00
M	18	27.00	15.00	27.00	9.00	27.00	20.00	27.00	18.50
M	20	30.00	16.00	30.00	10.00	30.00	22.00	30.00	20.00
M	22	32.00	18.00			32.00	25.00	32.00	22.00
M	24	36.00	19.00	36.00	11.00	36.00	28.00	36.00	24.00
M	27	41.00	22.00					41.00	27.00
M	30	46.00	24.00	46.00	15.00			46.00	30.00
M	33	50.00	26.00					50.00	33.00
M	36	55.00	29.00					55.00	36.00
M	39	60.00	31.00					60.00	39.00
M	42	65.00	34.00					65.00	42.00
M	45	70.00	36.00					70.00	45.00
M	48	75.00	38.00					75.00	48.00
M	52	80.00	42.00					80.00	52.00
M	56	85.00	45.00					85.00	56.00
M	60	90.00	48.00					90.00	60.00
M	64	95.00	51.00					95.00	64.00
M	68	100.00	54.00
M	72	105.00	58.00
M	76	110.00	61.00
M	80	115.00	64.00
M	85	120.00	68.00
M	90	130.00	72.00
M	100	145.00	80.00

Unified
Size in inches.

THREAD SIZE UNC/UNF	Full Nut			Lock/Half/Jam Nut			Nylon Insert (Nyloc) Nut Type “P”			Nylon Insert (Nyloc) Nut Type “T”
	A/F		Th	A/F		Th	A/F		Th	A/F		Th
No.8	11/32	0.34	0.20	11/32	0.34		11/32	0.34	0.24
No.10	3/8	0.37	0.20	3/8	0.37		3/8	0.37	0.24	3/8	0.37	0.18
1/4	7/16	0.43	0.22	7/16	0.43	0.16	7/16	0.43	0.31	7/16	0.43	0.29
5/16	1/2	0.50	0.27	1/2	0.50	0.19	1/2	0.50	0.34	1/2	0.50	0.34
3/8	9/16	0.56	0.33	9/16	0.56	0.22	9/16	0.56	0.45	9/16	0.56	0.38
7/16	11/16	0.68	0.38	11/16	0.68	0.26	11/16	0.68	0.54	11/16	0.68	0.44
1/2	3/4	0.75	0.44	3/4	0.75	0.32	3/4	0.75	0.59	3/4	0.75	0.47
9/16	7/8	0.87	0.49	7/8	0.87	0.34	7/8	0.87	0.64	7/8	0.87	0.44
5/8	15/16	0.93	0.55	15/16	0.93	0.38	15/16	0.93	0.75	15/16	0.93	0.55
3/4	1.1/8	1.12	0.66	1.1/8	1.12	0.44	1.1/8	1.12	0.86	1.1/8	1.12	0.64
7/8	1.1/16	1.31	0.77	1.1/16	1.31	0.51	1.1/16	1.31	1.00	1.1/16	1.31	0.73
1	1.1/2	1.50	0.88	1.1/2	1.50	0.57	1.1/2	1.50	1.09	1.1/2	1.50	0.77
1.1/8	1.11/16	1.68	0.99	1.11/16	1.68	0.63	1.11/16	1.68	1.29
1.1/4	1.7/8	1.87	1.09	1.7/8	1.87	0.75	1.7/8	1.87	1.35
1.3/8	2.1/16	2.06	1.20	2.1/16	2.06	0.81
1.1/2	2.1/4	2.25	1.31	2.1/4	2.25	0.88	2.1/4	2.25	1.60
1.5/8	2.7/16	2.43	1.42	2.7/16	2.43	0.94
1.3/4	2.5/8	2.62	1.54	2.5/8	2.62	1.00	2.5/8	2.62	1.83
2	3	3.00	1.76	3	3.00	1.13	3	3.00	2.08
2.1/4	3.3/8	3.37	1.98	3.3/8	3.37	1.26
2.1/2	3.3/4	3.75	2.20	3.3/4	3.75	1.39
2.3/4	4.1/8	4.12	2.43	4.1/8	4.12	0.15
3	4.1/2	4.50	2.65	4.1/2	4.50	1.65