Click Specification

(Non-preferred) dimensions in parentheses.

Large plain washers

Q 402

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Nominal Diameter

Φ3

Φ4

Φ5

Φ6

Φ8

Φ10

Φ12

Φ14

d	min=nominal size
	max
d_c	max=nominal size
	min
h	Nominal Size
	max
	min

3.2	4.3	5.3	6.4	8.4	10.5	13	15
3.38	4.48	5.48	6.62	8.62	10.77	13.27	15.27
9	12	15	18	24	30	37	44
8.64	11.57	14.57	17.57	23.48	29.48	36.38	43.38
0.8	1	1.2	1.6	2	2.5	3	3
0.9	1.1	1.4	1.8	2.2	2.7	3.3	3.3
0.7	0.9	1	1.4	1.8	2.3	2.7	2.7

Nominal Diameter

Φ16

(Φ18)

Φ20

(Φ22)

Φ24

(Φ27)

Φ30

Φ36

d	min=nominal size
	max
d_c	max=nominal size
	min
h	Nominal Size
	max
	min

17	20	22	24	26	30	33	39
17.27	20.52	22.52	24.52	26.84	31.3	34	40
50	56	60	66	72	85	92	110
49.38	54.1	58.1	64.1	70.1	82.8	89.8	107.8
3	4	4	5	5	6	6	8
3.3	4.6	4.6	6	6	7	7	9.2
2.7	3.4	3.4	4	4	5	5	6.8

Alternative history

Q 402 Q 402B

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Similar Standards

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