Click Specification

(Non-preferred) dimensions in parentheses.

Black washers - Extra large diameter. Metric series - Form G

BS 4320 (G) - 1968

Display drawing:

Size

(M7)

M10

M12

(M14)

M16

(M18)

d	Nominal Size
	max
	min
d_c	Nominal Size
	max
	min
h	Nominal Size
	max
	min

5.5	6.6	7.6	9	11	14	16	18	20
5.8	7.0	8.0	9.4	11.5	14.5	16.5	18.5	20.6
5.5	6.6	7.6	9	11	14	16	18	20
15	18	21	24	30	36	42	48	54
15	18	21	24	30	36	42	48	54
14.2	17.2	20.2	23.2	29.2	34.8	40.8	46.8	52.5
1.6	2	2	2	2.5	3	3	4	4
1.9	2.3	2.3	2.3	2.8	3.6	3.6	4.6	4.6
1.3	1.7	1.7	1.7	2.2	2.4	2.4	3.4	3.4

Size

M20

(M22)

M24

(M27)

M30

(M33)

M36

(M39)

d	Nominal Size
	max
	min
d_c	Nominal Size
	max
	min
h	Nominal Size
	max
	min

22	24	26	30	33	36	39	42
22.6	24.6	26.6	30.6	33.8	36.8	39.8	42.8
22	24	26	30	33	36	39	42
60	66	72	81	90	99	108	117
60	66	72	81	90	99	108	117
58.5	64.5	70.5	79	88	97	106	115
5	5	6	6	8	8	10	10
6.0	6.0	7.0	7.0	9.2	9.2	11.2	11.2
4	4	5	5	6.8	6.8	8.8	8.8

Similar Standards

1	[ISO] ISO 7093-1 - 2000	Plain Washers—large Series—Product Grade A
2	[DIN] DIN 440 (R) - 1990	Extra Large Washers With Round Hole For Use In Timber Constructions
3	[ISO] ISO 7093-2 - 2000	Plain Washers—Large Series—Product Grade C
4	[DIN] DIN 134	Plain Washers - Large
5	[ISO] ISO 7094 - 2000	Plain Washers—Extra Large Series—Product Grade C
6	[DIN] DIN 6340 - 1987	Washers for Clamping Devices
7	[DIN EN ISO] DIN EN ISO 7094 - 2000	Extra Large Washers With Round Hole For Use In Timber Constructions
8	[DIN EN ISO] DIN EN ISO 7093-1 - 2000	Plain washers - Large series - Part 1: Product grade A
9	[DIN EN ISO] DIN EN ISO 7093-2 - 2000	Plain Washers - Large Series - Product Grade C
10	[DIN] DIN 9021 - 1990	Large Plain Washers - Product Grade A
11	[DIN] DIN 34816 - 1999	Plastic Plain Washers - Large Series
12	[ISO] ISO 10673 (L) - 1998	Plain washers for screw and washer assemblies-Large series-Product grade A
13	[JIS] JIS B 1256 (ELC) - 2008	Extra Large Plain Washers - Product Grade C
14	[BS] BS 4320 (D) - 1968	Bright washers - Large diameter (Light). Metric series - Form D
15	[JIS] JIS B 1256 (LC) - 2008	Large Plain Washers - Product Grade C
16	[BS] BS 3410 (-6) - 1961	Large Bright Washers For Automobile Purposes For UNC,UNF,BSW And BSF Fasreners [Table 6]
17	[NF] NF E 25-530 - 2000	Plain Washers - Large Series - Product Grade A
18	[BS] BS 3410 (-2) - 1961	Large Plain Washers for use with B.A. and American Number size fasteners [Table 2]
19	[NF] NF E 25-513	Plain Washers - L Style
20	[NF] NF E 25-513	Plain Washers - LL Style
21	[GB] GB /T 97.4 (L) - 2002	Plain Washers（Large）for Combination Screw
22	[GB] GB /T 96.2 - 2002	Plain Washers - Large Series - Product Grade C
23	[BS] BS 4320 (C) - 1968	Bright washers - Large diameter. Metric series - Form C
24	[GB] GB /T 96.1 - 2000	Plain washers-Large series-Product grade A
25	[GB] GB 96 - 1985	Plain Washers-Large Series - Product Grade A and C
26	[GB] GB /T 5287 - 2002	Plain Washers - Extra Large Serles - Product Grade C
27	[GB] GB /T 5287 - 1985	Plain Washers - Extra Large Series - Product Grade C
28	[NF] NF E 25-532 - 2000	Plain Washers - Extra Large Series - Product Grade C
29	[BS] BS 3410 (-4) - 1961	Large birght washers for use with UNC, UNF, B.S.W. and B.S.F fasteners [Table 4]
30	[GB] GB /T 96.1 - 2002	Plain Washers - Large Series - Product Grade A
31	[JIS] JIS B 1256 (LA) - 2008	Large Plain Washers - Product Grade A
32	[NF] NF E 25-531 - 2000	Plain Washers - Large Series - Product Grade C
33	[BS] BS 4320 (F) - 1968	Black washers - Large diameter. Metric series - Form F
34	[BS] BS 3410 (-8) - 1961	Large Black Washers [Table 8]
35	[GB] GB /T 96.2 - 2000	Plain washers-Large series-Product grade C
36	[GOST] GOST 6958 - 1978	Enlarged Washers， Product Grades A And C
37	[AS] AS 1237.1 - 2002	Plain washers for metric bolts, screws and nuts for general purposes - Large, Product grade A and C
38	[AS] AS 1237.1 - 2002	Plain washers for metric bolts, screws and nuts for general purposes - Extra Large, product grade C
39	[CNS] CNS 151 - 1994	Plain Washers
40	[CNS] CNS 5194 - 1980	Large Plain Washers