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Click Specification

Unit:mm

Normal Plain Washers, Chamfered - Product Grade A

JIS B 1256 (NCA) - 2008

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日标JIS B1256 (NCA) - 2008 JIS1256 1256JIS Normal Plain Washers, Chamfered - Product Grade A
Nominal Diameter
Φ5 Φ6 Φ8 Φ10 Φ12 (Φ14) Φ16 (Φ18) Φ20 (Φ22) Φ24 (Φ27)
d min=nominal size
max
dc max=nominal size
min
h Nominal Size
max
min
5.3 6.4 8.4 10.5 13 15 17 19 21 23 25 28
5.48 6.62 8.62 10.77 13.27 15.27 17.27 19.33 21.33 23.33 25.33 28.33
10 12 16 20 24 28 30 34 37 39 44 50
9.64 11.57 15.57 19.48 23.48 27.48 29.48 33.38 36.38 38.38 43.38 49.38
1 1.6 1.6 2 2.5 2.5 3 3 3 3 4 4
1.1 1.8 1.8 2.2 2.7 2.7 3.3 3.3 3.3 3.3 4.3 4.3
0.9 1.4 1.4 1.8 2.3 2.3 2.7 2.7 2.7 2.7 3.7 3.7
Nominal Diameter
Φ30 (Φ33) Φ36 (Φ39) Φ42 (Φ45) Φ48 (Φ52) Φ56 (Φ60) Φ64
d min=nominal size
max
dc max=nominal size
min
h Nominal Size
max
min
31 34 37 42 45 48 52 56 62 66 70
31.39 34.62 37.62 42.62 45.62 48.62 52.74 56.74 62.74 66.74 70.74
56 60 66 72 78 85 92 98 105 110 115
55.26 58.8 64.8 70.8 76.8 83.6 90.6 96.6 103.6 108.6 113.6
4 5 5 6 8 8 8 8 10 10 10
4.3 5.6 5.6 6.6 9 9 9 9 11 11 11
3.7 4.4 4.4 5.4 7 7 7 7 9 9 9
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Similar Standards

1 Product Grade A, up to Hardness 250 HV, Primarily for Hexagon Bolts and Nuts [DIN]
DIN 125-1 - 1990 		Product Grade A, up to Hardness 250 HV, Primarily for Hexagon Bolts and Nuts

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2 Plain Washers - Normal Series - Product Grade A [ISO]
ISO 7089 - 2000 		Plain Washers - Normal Series - Product Grade A
3 Type B Plain Washers [Table 2] (ASTM A325 / ANSI 1060) [ANSI]
ANSI B 18.22.1 - 1965 (R1998) 		Type B Plain Washers [Table 2] (ASTM A325 / ANSI 1060)
4 Plain Washers - Type B (ASTM F844) [ASME]
ASME B 18.21.1 - 2009 (R2016) 		Plain Washers - Type B (ASTM F844)
5 Additional Selected Sizes of Type A Plain Washers [Table 1B] (ASTM A325 / ANSI 1060) [ANSI]
ANSI B 18.22.1 - 1965 (R1998) 		Additional Selected Sizes of Type A Plain Washers [Table 1B] (ASTM A325 / ANSI 1060)
6 Preferred Sizes of Type A Plain Washers [Table 1A] (ASTM A325 / ANSI 1060) [ANSI]
ANSI B 18.22.1 - 1965 (R1998) 		Preferred Sizes of Type A Plain Washers [Table 1A] (ASTM A325 / ANSI 1060)
7 Plain Washers - Normal Series - Product Grade A [DIN EN ISO]
DIN EN ISO 7089 - 2000 		Plain Washers - Normal Series - Product Grade A
8 Washers for Clevis Pins - Product Grade C [DIN]
DIN 1441 - 2009 		Washers for Clevis Pins - Product Grade C
9 Aerospace Series - Washers, Countersunk; [DIN]
DIN 65209 - 2010 		Aerospace Series - Washers, Countersunk;
10 Hardened Steel Circular and Circular Clipped Washers (ASTM F436M) [ASME]
ASME 18.2.6M - 2012 		Hardened Steel Circular and Circular Clipped Washers (ASTM F436M)
11 Metric Plain Washers (General Purpose) [ANSI]
ANSI B 18.22M - 1981 (R2010) 		Metric Plain Washers (General Purpose)
12 Plastic Plain Washers - Normal Series [DIN]
DIN 34815 - 1999 		Plastic Plain Washers - Normal Series
13 Plain Washers for Metric Bolts, Screws and Nuts for General Purposes [ISO]
ISO 887 - 2000 (R2006) 		Plain Washers for Metric Bolts, Screws and Nuts for General Purposes
14 Plain Washers, Chamfered-Normal Series - Product Grade A [ISO]
ISO 7090 - 2000 		Plain Washers, Chamfered-Normal Series - Product Grade A
15 Plain Washers for Clevis Pins; Product Grade A; [DIN EN]
DIN EN 28738 - 1992 		Plain Washers for Clevis Pins; Product Grade A;
16 Plain Washers-Normal Series - Product Grade C [ISO]
ISO 7091 - 2000 		Plain Washers-Normal Series - Product Grade C
17 Plain Washers- Producte Grade C [ISO]
ISO 7091 - 1983 		Plain Washers- Producte Grade C
18 Product Grade A, Washers with a Hardness from 300 HV Designed for Use with Hexagon Head Bolts and Nuts [DIN]
DIN 125-2 - 1990 		Product Grade A, Washers with a Hardness from 300 HV Designed for Use with Hexagon Head Bolts and Nuts
19 Washers Type Coarse for Bolts [DIN]
DIN 1441 - 1974 		Washers Type Coarse for Bolts
20 Plain Washers - Normal Series - Product Grade A [EN ISO]
EN ISO 7089 - 2000 		Plain Washers - Normal Series - Product Grade A
21 Plain Washers - Type A (ASTM F844) [ASME]
ASME B 18.21.1 - 2009 (R2016) 		Plain Washers - Type A (ASTM F844)
22 Plain Washers, Chamfered - Normal Series - Product Grade A [DIN EN ISO]
DIN EN ISO 7090 - 2000 		Plain Washers, Chamfered - Normal Series - Product Grade A
23 Fender Washers [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		Fender Washers
24 Product Grade C Washers Designed for use with Hexagon Head Bolts and Nuts [DIN]
DIN 126 - 1990 		Product Grade C Washers Designed for use with Hexagon Head Bolts and Nuts
25 Plain Washers - Type B (ASTM F844) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		Plain Washers - Type B (ASTM F844)
26 Plain Washers - Normal Series, Product Grade C [DIN EN ISO]
DIN EN ISO 7091 - 2000 		Plain Washers - Normal Series, Product Grade C
27 Plain Washers - Type A (ASTM F844) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		Plain Washers - Type A (ASTM F844)
28 Metric Plain Washers [ANSI]
ANSI B 18.22M - 1981 (R2017) 		Metric Plain Washers
29 Grade A Plain Washers [GB]
GB /T 97.1 - 1985 		Grade A Plain Washers
30 Normal Plain Washers - Product Grade A [JIS]
JIS B 1256 (NA) - 2008 		Normal Plain Washers - Product Grade A
31 Ordinary Black Washers [Table 7] [BS]
BS 3410 (-7) - 1961 		Ordinary Black Washers [Table 7]
32 Plain Washers, Chamfered - Product Grade A [UNI]
UNI 1734 		Plain Washers, Chamfered - Product Grade A
33 Plain Washers - Product Grade C [GB]
GB /T 95 - 1985 		Plain Washers - Product Grade C
34 Plain Washers for Tapping Screw and Washer Assemblies - Normal Series - Product Grade A [NF]
NF E 25-522 - 1999 		Plain Washers for Tapping Screw and Washer Assemblies - Normal Series - Product Grade A
35 Plain Washers - Normal Series - Product Grade C [NF]
NF E 25-528 - 2000 		Plain Washers - Normal Series - Product Grade C
36 Plain Washers [GB]
GB /T 17116.3 - 2018 		Plain Washers
37 Bright Washers - Normal Diameter. Metric Series - Form A [BS]
BS 4320 (A) - 1968 		Bright Washers - Normal Diameter. Metric Series - Form A
38 Black Washers - Normal Diameter. Metric Series - Form E [BS]
BS 4320 (E) - 1968 		Black Washers - Normal Diameter. Metric Series - Form E
39 Normal Plain Washers - Product Grade C [JIS]
JIS B 1256 (NC) - 2008 		Normal Plain Washers - Product Grade C
40 Thick Plain Washers for Mechanical Appliations - Product Grade A [NF]
NF E 25-518 - 1987 		Thick Plain Washers for Mechanical Appliations - Product Grade A
41 Plain Washers [GB]
GB 97 - 1976 		Plain Washers
42 Plain Washers, Chamfered - Normal Series - Product Grade A [NF]
NF E 25-527 - 2000 		Plain Washers, Chamfered - Normal Series - Product Grade A
43 Plain Washers - Product Grade A [NF]
NF E 25-514 - 1987 		Plain Washers - Product Grade A
44 Plain Washers - M Style [NF]
NF E 25-513 		Plain Washers - M Style
45 Plain Washers, Chamfered [NF]
NF B 27-711 - 1982 		Plain Washers, Chamfered
46 Foundation Plain Washers [JIS]
JIS B 1220 - 2010 		Foundation Plain Washers
47 Small Bright Washers for Use with B.A. and American Number Size [Table 1] [BS]
BS 3410 (-1) - 1961 		Small Bright Washers for Use with B.A. and American Number Size [Table 1]
48 Bright Washers - Normal Diameter (Light). Metric Series - Form B [BS]
BS 4320 (B) - 1968 		Bright Washers - Normal Diameter (Light). Metric Series - Form B
49 Plain Washers-Wide Band [UNI]
UNI 6593 - 1997 		Plain Washers-Wide Band
50 Flared Couplings - Lockup Washer [GB]
GB /T 5649 - 2008 		Flared Couplings - Lockup Washer
51 Thin Plain Washers, Chamfered [UNI]
UNI 1750 		Thin Plain Washers, Chamfered
52 Plain Washers - Product Grade A [GB]
GB /T 97.1 - 2002 		Plain Washers - Product Grade A
53 Medium Bright Washers for Automobie Purposes for Use with UNC, UNF, B.S.W. and B.S.F. Fasteners [BS]
BS 3410 (-5) - 1961 		Medium Bright Washers for Automobie Purposes for Use with UNC, UNF, B.S.W. and B.S.F. Fasteners
54 Grade A Chamferred Plain Washers [GB]
GB /T 97.2 - 1985 		Grade A Chamferred Plain Washers
55 Finished Circular Washers [JIS]
JIS B 1256 (F) - 1978 		Finished Circular Washers
56 Plain Washers [UNI]
UNI 6592 - 1972 		Plain Washers
57 Plain Washers [UNI]
UNI 6952 		Plain Washers
58 Foundation Plain Washers [JIS]
JIS B 1220 - 2015 		Foundation Plain Washers
59 Regular Circular Washers [JIS]
JIS B 1256 (R) - 1978 		Regular Circular Washers
60 Plain Washers, Chamfered - Product Grade A [GB]
GB /T 97.2 - 2002 		Plain Washers, Chamfered - Product Grade A
61 Plain Washers - Normal Series - Product Grade A [NF]
NF E 25-526 - 2000 		Plain Washers - Normal Series - Product Grade A
62 Plain Washers - Product Grade C [GB]
GB /T 95 - 2002 		Plain Washers - Product Grade C
63 Plain Washers [NF]
NF E 27-711 - 1982 		Plain Washers
64 Plain Washers [KS]
KS B 1326 (T9) - 2021 		Plain Washers
65 Plain Washers for Metric Bolts, Screws and Nuts for General Purposes - Normal, Product Grade A and C [AS]
AS 1237.1 - 2002 		Plain Washers for Metric Bolts, Screws and Nuts for General Purposes - Normal, Product Grade A and C
66 Plain Washers [KS]
KS B 1326 (T1) - 2009 		Plain Washers
67 Plain Washers [KS]
KS B 1326 (T2) - 2009 		Plain Washers
68 Plain Washers [KS]
KS B 1326 (T3) - 2009 		Plain Washers
69 Hardened and Tempered Washers for High Strength Structural Bolts and Nuts - Plain Hole Circular Washers, Type A [IS]
IS 6649 (A) - 1985 		Hardened and Tempered Washers for High Strength Structural Bolts and Nuts - Plain Hole Circular Washers, Type A
70 specification for Plain Washers with Outside Diameter ≈ 3 × Inside Diameter [IS]
IS 5370 - 1969 		specification for Plain Washers with Outside Diameter ≈ 3 × Inside Diameter
71 Machined Washers [IS]
IS 2016 (Table 1) - 1967 		Machined Washers
72 Punched Washers, Type A, For Hexagonal Bolts and Screws [IS]
IS 2016 (Table 2) - 1967 		Punched Washers, Type A, For Hexagonal Bolts and Screws
73 Punched Washers, Type B, For Round and Cheese Head Screws [IS]
IS 2016 (Table 3) - 1967 		Punched Washers, Type B, For Round and Cheese Head Screws
74 Plain Washers - Large Series [KS]
KS B 1326 (T8) - 2021 		Plain Washers - Large Series
75 Plain Washers - Small Series [KS]
KS B 1326 (T7) - 2021 		Plain Washers - Small Series
76 Plain Washers for Bolts - Grade C [CNS]
CNS 5115 - 1980 		Plain Washers for Bolts - Grade C
77 Washers, Type Medium, for Bolts [CNS]
CNS 5114 - 1980 		Washers, Type Medium, for Bolts
78 Plain Washers (Used for Screws That Diameter Between M1 to M20) [CNS]
CNS 152 - 1994 		Plain Washers (Used for Screws That Diameter Between M1 to M20)
79 Fender Washers [SAE]
SAE J 2655 - 2015 		Fender Washers
80 Steel Washers for Pins, Grade A [GOST]
GOST 9649 - 1978 		Steel Washers for Pins, Grade A
81 Washers [GOST]
GOST 11371 - 1978 		Washers
82 Washers [GOST]
GOST 53664 - 2009 		Washers
83 American System Washers - SAE [YJT]
YJT 6001 		American System Washers - SAE
84 Plain Washers - Type B [SAE]
SAE J 2655 - 2015 		Plain Washers - Type B
85 Plain Washers - Type A [SAE]
SAE J 2655 - 2015 		Plain Washers - Type A