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Unit:inch

Small bright chamfered washers for use with UNC, UNF, B.S.W. and B.S.F [Table 3]

BS 3410 (-3) - 1961

Display drawing:

英标BS 3410 (-3) - 1961 BS3410 3410BS Small bright chamfered washers for use with UNC, UNF, B.S.W. and B.S.F [Table 3]

Size

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

d	max
	min
d_c	max
	min
h	Heavy
	Light

0.27	0.333	0.395	0.458	0.52	0.593	0.656	0.781
0.265	0.328	0.39	0.453	0.515	0.588	0.651	0.776
0.562	0.625	0.75	0.875	1	1.125	1.25	1.5
0.557	0.62	0.745	0.87	0.995	1.115	1.24	1.49
0.056	0.072	0.072	0.092	0.092	0.104	0.116	0.128
0.036	0.04	0.048	0.048	0.056	0.056	0.072	0.072

Size

7/8

1

1-1/8

1-1/4

1-3/8

1-1/2

1-3/4

2

d	max
	min
d_c	max
	min
h	Heavy
	Light

0.906	1.031	1.156	1.281	1.406	1.531	1.781	2.031
0.901	1.026	1.151	1.276	1.401	1.526	1.776	2.026
1.625	1.875	2.125	2.375	2.625	2.875	3.375	3.625
1.615	1.865	2.115	2.355	2.605	2.855	3.345	3.595
0.144	0.16	0.176	0.176	0.192	0.192	0.212	0.212
0.072	0.072	0.0092	0.116	/	/	/	/

Similar Standards

1		[ISO] ISO 10673 (S) - 1998	Plain washers for screw and washer assemblies-Small series-Product grade A
2		[ISO] ISO 7092 - 2000	Plain Washers-Small Series—Product Grade A
3		[DIN EN ISO] DIN EN ISO 7092 - 2000	Plain Washers - Small Series, Product Grade A, 200HV and 300HV
4		[GB] GB /T 848 - 2002	Plain Washers - Small Series - Product Grade A
5		[NF] NF E 25-529 - 2000	Plain Washers - Small Series - Product Grade A
6		[GB] GB /T 848 - 1985	Grade A small washers
7		[JIS] JIS B 1256 (S) - 1978	Small Plain Washers
8		[BS] BS 3410 (-3) - 1961	Small bright washers for use with UNC, UNF, B.S.W. and B.S.F [Table 3]
9		[JIS] JIS B 1256 (SA) - 2008	Small Plain Washers - Product Grade A - [Table 3-4]
10		[BS] BS 3410 (-9) - 1961	Small Light Gauge Black Washers [Table 9]
11		[NF] NF E 25-513	Plain Washers - Z Style(Small)
12		[AS] AS 1237.1 - 2002	Plain washers for metric bolts, screws and nuts for general purposes - Small, Product grade A
13		[GOST] GOST 10450 - 1978	Diminished Washers Of Accuracy Classes A And C