Dimensions for UNI 1751 Plain washers, Form B

Size	For thread	d1 min.	d1 max.	d2 min.	d2 max.	h min.	h max.	weight kg/1000pcs
5.3	M5	5.3	5.48	9.64	10	0.9	1.1	0.443
6.4	M6	6.4	6.62	11.57	12	1.4	1.8	1.02
7.4	M7	7.4	7.62	13.57	14	1.4	1.8	1.39
8.4	M8	8.4	8.62	15.57	16	1.4	1.8	1.83
10.5	M10	10.5	10.77	19.48	20	1.8	2.2	3.57
13	M12	13	13.27	23.48	24	2.3	2.7	6.27
15	M14	15	15.27	27.48	28	2.3	2.7	8.62
17	M16	17	17.27	29.48	30	2.7	3.3	11.3
19	M18	19	19.33	33.38	34	2.7	3.3	14.7
21	M20	21	21.33	36.38	37	2.7	3.3	17.2
23	M22	23	23.33	38.38	39	2.7	3.3	18.3
25	M24	25	25.33	43.38	44	3.7	4.3	32.3
27	M26	27	27.33	49.38	50	3.7	4.3	43.7
28	M27	28	28.33	49.38	50	3.7	4.3	42.3
29	M28	29	29.33	49.38	50	3.7	4.3	40.9
31	M30	31	31.39	55.26	56	3.7	4.3	53.6
33	M32	33	33.62	58.8	60	4.4	5.6	77.4
34	M33	34	34.62	58.8	60	4.4	5.6	75.3
36	M35	36	36.62	64.8	66	4.4	5.6	94.3
37	M36	37	37.62	64.8	66	4.4	5.6	92.1
39	M38	39	39.62	70.8	72	5.4	6.6	136
40	M39	40	40.62	70.8	72	5.4	6.6	133
41	M40	41	41.62	70.8	72	5.4	6.6	130
43	M42	43	43.62	76.8	78	6	8	183
46	M45	46	46.62	83.6	85	6	8	220
50	M48	50	50.62	90.6	92	7	9	294
52	M50	52	52.74	90.6	92	7	9	284
54	M52	54	54.74	96.6	98	7	9	330
57	M55	57	57.74	103.6	105	8	10	431
58	M56	58	58.74	103.6	105	8	10	425
60	M58	60	60.74	108.6	110	8	10	472
62	M60	62	62.74	108.6	110	8	10	458
66	M64	66	66.74	113.6	115	8	10	492
70	M68	70	70.74	118.6	120	9	11	586
74	M72	74	74.74	123.4	125	9	11	626
78	M76	78	78.74	133.4	135	9	11	749
82	M80	82	82.87	138.4	140	10.8	13.2	953
87	M85	87	87.87	143.4	145	10.8	13.2	996
93	M90	93	83.87	158.4	160	10.8	13.2	1250
98	M95	98	98.87	163.4	165	10.8	13.2	1300
104	M100	104	104.87	173.4	175	12.8	15.2	1710
109	M105	109	109.87	178.4	180	12.8	15.2	1770
114	M110	114	114.87	183.15	185	12.8	15.2	1830
119	M115	119	119.87	188.15	200	12.8	15.2	2230
124	M120	124	125	208.15	210	14.8	17.2	2830
129	M125	129	130	218.15	220	14.8	17.2	3130
134	M130	134	135	218.15	220	14.8	17.2	3000
139	M135	139	140	228.15	230	14.8	17.2	3310
144	M140	144	145	238.15	240	16.8	19.2	4090
149	M145	149	150	248.15	250	16.8	19.2	4470
155	M150	155	156	248.15	250	16.8	19.2	4270
165	M160	165	166	248.15	250	16.8	19.2	3910