NUTS APPROX. WEIGHT IN KGS FOR 100 NOS.

SIZE	OLD SPEC IS 1363/67	NEW SPEC IS 1363/92	HEIGHT = DIA NUT	HEX LOCK NUTS IS 1364-84	HSS NUTS IS: 6623	Castle Nuts IS 2232-67	Nylock Nuts Din 985	SIZE (Inches)	HEX NUTS BSW / BSF	HEX LOCK NUTS BSW / BSF	SQUARE NUTS – BSW	ASTM A-194 UNC HEAVY HEX NUTS
M2	0.011							1/8″	0.041
M3	0.033				0.050			5/32″	0.053
M4	0.067				0.112	0.100		3/16″	0.133
M5	0.111		0.080		0.230	0.140		1/4″	0.323	0.190	0.340
M6	0.232		0.120		0.316	0.240		5/16″	0.510	0.340	0.654	0.758
M7	0.294				0.396	0.300		3/8″	0.817	0.510	0.966	1.370
M8	0.482		0.300		0.735	0.510		7/16″	1.389	0.930	1.683	2.000
M10	1.020	0.909		1.282	0.670	1.580	1.060	1/2″	2.222	1.430	2.677	2.959
M12	1.590	1.389		1.942	1.090	2.000	1.720	5/8″	4.348	2.700	5.040	5.263
M14	2.400			3.049	1.680	2.700	2.600	3/4″	7.184	4.800	8.818	8.621
M16	3.081	3.333		3.906	1.800	6.040	3.890	7/8″	8.621	5.600	10.917	12.658
M18	4.448			5.814	2.690	5.750	4.500	1″	12.987	8.500	15.432	17.986
M20	6.031	6.667		7.519	3.300	11.530	7.520	1.1/8″	18.182	11.800	23.364	26.316
M22	7.143	8.929		9.091	3.890	14.280	9.300	1.1/4″	26.596	17.200	33.333	34.247
M24	10.309	12.500		12.821	5.100	19.770	13.100	1.3/8″	37.879	23.000		44.248
M27	15.432			18.657	8.150	28.230	19.200	1.1/2″	45.455	28.000		60.241
M30	21.645			26.596	10.400	36.500	26.400	1.5/8″	71.429			73.529
M33	27.174			34.483	14.300	33.330	31.700	1.3/4″	71.429	46.000		90.909
M36	37.037			43.860	17.600	28.180	41.500	2″	81.967	54.000		135.135
M39	47.619			57.471	24.000	58.400	49.900	2.1/4″	111.111			185.185
M42	57.471			73.529	27.500	71.000	62.800	2.1/2″	172.414			238.095
M45	72.464			92.593	37.000	86.000	77.100	2.3/4″	263.158			333.333
M48	92.593			113.636	42.800	106.000	99.800	3″	333.333			454.545
M52	108.696			138.889	52.000	130.000		0 BA	0.270
M56	131.579			166.667				2 BA	0.126
M60	161.290			192.308
M64	185.185			227.273
M72	250.000			312.500
M80	333.333
M90	454.545
M100	625.000