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Unit:mm

Grade A Plain Washers

GB /T 97.1 - 1985

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国标GB /T97.1 - 1985 GB97.1 97.1GB Grade A Plain Washers
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 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
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Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


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Nominal Diameter
Φ1.6 Φ2 Φ2.5 Φ3 Φ4 Φ5 Φ6 Φ8
d max
min
dc max
min
h Nominal Size
max
min
per 1000 units ≈ kg
1.84 2.34 2.84 3.38 4.48 5.48 6.62 8.62
1.7 2.2 2.7 3.2 4.3 5.3 6.4 8.4
4 5 6 7 9 10 12 16
3.7 4.7 5.7 6.64 8.64 9.64 11.57 15.57
0.3 0.3 0.5 0.5 0.8 1 1.6 1.6
0.35 0.35 0.55 0.55 0.9 1.1 1.8 1.8
0.25 0.25 0.45 0.45 0.7 0.9 1.4 1.4
0.02 0.03 0.08 0.1 0.28 0.4 0.91 1.68
Nominal Diameter
Φ10 Φ12 Φ14 Φ16 Φ20 Φ24 Φ30 Φ36
d max
min
dc max
min
h Nominal Size
max
min
per 1000 units ≈ kg
10.77 13.27 15.27 17.27 21.33 25.33 31.39 37.62
10.5 13 15 17 21 25 31 37
20 24 28 30 37 44 56 66
19.48 23.48 27.48 29.48 36.38 43.38 55.26 64.8
2 2.5 2.5 3 3 4 4 5
2.2 2.7 2.7 3.3 3.3 4.3 4.3 5.6
1.8 2.3 2.3 2.7 2.7 3.7 3.7 4.4
3.3 5.86 8.12 10.66 16.22 30.8 51.28 86.69

Alternative history

GB /T 97.1 - 1985 GB /T 97.1 - 2002
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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
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9 Aerospace Series - Washers, Countersunk; [DIN]
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ISO 887 - 2000 (R2006) 		Plain Washers for Metric Bolts, Screws and Nuts for General Purposes
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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]
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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]
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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 Normal Plain Washers - Product Grade A [JIS]
JIS B 1256 (NA) - 2008 		Normal Plain Washers - Product Grade A
30 Ordinary Black Washers [Table 7] [BS]
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31 Plain Washers, Chamfered - Product Grade A [UNI]
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32 Plain Washers - Product Grade C [GB]
GB /T 95 - 1985 		Plain Washers - Product Grade C
33 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
34 Plain Washers - Normal Series - Product Grade C [NF]
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35 Plain Washers [GB]
GB /T 17116.3 - 2018 		Plain Washers
36 Bright Washers - Normal Diameter. Metric Series - Form A [BS]
BS 4320 (A) - 1968 		Bright Washers - Normal Diameter. Metric Series - Form A
37 Black Washers - Normal Diameter. Metric Series - Form E [BS]
BS 4320 (E) - 1968 		Black Washers - Normal Diameter. Metric Series - Form E
38 Normal Plain Washers - Product Grade C [JIS]
JIS B 1256 (NC) - 2008 		Normal Plain Washers - Product Grade C
39 Thick Plain Washers for Mechanical Appliations - Product Grade A [NF]
NF E 25-518 - 1987 		Thick Plain Washers for Mechanical Appliations - Product Grade A
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43 Plain Washers - M Style [NF]
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47 Bright Washers - Normal Diameter (Light). Metric Series - Form B [BS]
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48 Plain Washers-Wide Band [UNI]
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52 Medium Bright Washers for Automobie Purposes for Use with UNC, UNF, B.S.W. and B.S.F. Fasteners [BS]
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54 Finished Circular Washers [JIS]
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55 Plain Washers [UNI]
UNI 6592 - 1972 		Plain Washers
56 Plain Washers [UNI]
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57 Foundation Plain Washers [JIS]
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58 Regular Circular Washers [JIS]
JIS B 1256 (R) - 1978 		Regular Circular Washers
59 Plain Washers, Chamfered - Product Grade A [GB]
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60 Normal Plain Washers, Chamfered - Product Grade A [JIS]
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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 (T3) - 2009 		Plain Washers
65 Plain Washers [KS]
KS B 1326 (T2) - 2009 		Plain Washers
66 Plain Washers [KS]
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67 Plain Washers for Metric Bolts, Screws and Nuts for General Purposes - Normal, Product Grade A and C [AS]
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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]
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79 Fender Washers [SAE]
SAE J 2655 - 2015 		Fender Washers
80 Steel Washers for Pins, Grade A [GOST]
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81 Washers [GOST]
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82 Washers [GOST]
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83 American System Washers - SAE [YJT]
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84 Plain Washers - Type B [SAE]
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85 Plain Washers - Type A [SAE]
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