| 1 |   | [DIN] DIN  433 (-2) - 1990
 | Washers: Product Grade A. From Hardness 300 HV, Primarily For Cheese Head Screws 
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            | 2 |   | [DIN] DIN  433 (-1) - 1990
 | Product Grade A, Up To Hardness 250 HV, Primarily for Cheese Head Screws 
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            | 3 |   | [ASTM] ASTM F 436 (M) - 1993
 | Hardened Steel Washers 
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            | 4 |   | [ASTM] ASTM F 436 - 1993 (R2000)
 | Circular and Clipped Circular Washers - Hardened Steel Washers 
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            | 5 |   | [ASTM] ASTM F 436M - 2010
 | Metric Hardened Steel Washers 
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            | 6 |   | [ASTM] ASTM F 436 - 2011
 | Hardened Circular, Clipped Circular, and Extra-thick Washers 
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            | 7 |   | [ASTM] ASTM F 436M - 2019
 | Metric Hardened Steel Washers 
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            | 8 |   | [ASTM] ASTM F 436 - 2019
 | Hardened Circular, Clipped Circular, and Extra, Inch Washers 
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            | 9 |   | [ASTM] ASTM F 436M - 2024
 | Metric Hardened Steel Washers 
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            | 10 |   | [ASTM] ASTM F 436 - 2024
 | Hardened Circular, Clipped Circular, and Extra, Inch Washers 
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            | 11 |   | [EN] EN  14399-9 (HN) - 2018
 | High-Strength Structural Bolting Assemblies for Preloading - Part 9:  System HR or HV - Nut Face Washers (HN) | 
                    
            | 12 |   | [EN] EN  14399-5 (Washer) - 2005
 | High-Strength Structural Bolting Assemblies for Preloading - Part 5: Plain Washers | 
                    
            | 13 |   | [ASME] ASME B 18.2.6 - 2006
 | Hardened Steel Circular and Cirular Clipped Washers (ASTM F436) | 
                    
            | 14 |   | [DIN] DIN  34820 - 2004
 | Plain Washers. Chamfered. for Steel Structures | 
                    
            | 15 |   | [EN] EN  14399-6 (Chamfered Washer) - 2005
 | High-Strength Structural Bolting Assemblies for Preloading - Part 6: Plain Chamfered Washers | 
                    
            | 16 |   | [ASME] ASME B 18.2.6 - 2010
 | Compressible Washer-Type Direct Tension Indicators (ASTM F959/F959M) | 
                    
            | 17 |   | [ISO] ISO  7415 - 1984
 | Plain Washers for High-Strength Structural Bolting, Hardened and Tempered | 
                    
            | 18 |   | [DIN] DIN  7349 - 1974
 | Plain Washers for Bolts with Heavy Clamping Sleeves | 
                    
            | 19 |   | [DIN] DIN  7989-1 - 2001
 | Plain Washers for Steel Structure - Grade C | 
                    
            | 20 |   | [DIN] DIN  7349 - 2009
 | Plain Washers for Bolts with Heavy Clamping Sleeves | 
                    
            | 21 |   | [ASME] ASME B 18.2.6 - 2019
 | Compressible Washer-Type Direct Tension Indicators (ASTM F959/F959M) | 
                    
            | 22 |   | [ASME] ASME B 18.2.6 - 2006
 | Compressible Washer - Type Direct Tension Indicators (ASTM F959) | 
                    
            | 23 |   | [ASME] ASME B 18.2.6M - 2012
 | Metric Compressible Washer-Type Direct Tension Indicators (ASTM F959M) | 
                    
            | 24 |   | [DIN] DIN  7989-2 - 2001
 | Plain Washers for Steel Structure - Grade A | 
                    
            | 25 |   | [EN] EN  14399-9 (DTI) - 2018
 | High-Strength Structural Bolting Assemblies for Preloading - Part 9:  System HR or HV - Direct Tension Indicators for Bolt and Nut assemblies | 
                    
            | 26 |   | [EN] EN  14399-9 (HB washer) - 2009
 | High-strength Structural Bolting Assemblies for Preloading - Part 9:  System HR or HV — Bolt Face Washers (HB) | 
                    
            | 27 |   | [ISO] ISO  7416 - 1984
 | Plain Washers, Chamfered, Hardened and Tempered for High-Strength Structural Bolting | 
                    
            | 28 |   | [DIN EN] DIN EN  14399-6 (Chamfered washer) - 2015
 | High-Strength Structural Bolting Assemblies for Preloading - Part 6: Plain Chamfered Washers | 
                    
            | 29 |   | [DIN] DIN  7989 - 1974
 | Plain Washers for Steel Structure | 
                    
            | 30 |   | [DIN] DIN  6916 - 1989
 | Round Washers for High-Tensile Structural Bolting | 
                    
            | 31 |   | [EN] EN  14399-9 (HB washer) - 2018
 | High-Strength Structural Bolting Assemblies for Preloading - Part 9:  System HR or HV - Bolt Face Washers (HB) | 
                    
            | 32 |   | [IFI] IFI  542 - 1982
 | Metric Hardened Steel Washers | 
                    
            | 33 |   | [ASME] ASME B 18.2.6 - 2019
 | Hardened Steel Circular and Circular Clipped Washers  (ASTM F436 / F436M) | 
                    
            | 34 |   | [ASME] ASME B 18.2.6 - 2010
 | Hardened Steel Circular and Circular Clipped Washers (ASTM F436) | 
                    
            | 35 |   | [GB] GB /T 1230 - 2006
 | High Strength Plain Washers for Steel Structural | 
                    
            | 36 |   | [GB] GB /T 32076.11 (HN) - 2024
 | High-strength Structural Bolting Assemblies for Preloading Part 11: Nut Face Washers (HN) | 
                    
            | 37 |   | [BS] BS  7644-2 - 1993
 | Direct Tension Indicators - Bolt Face Washers | 
                    
            | 38 |   | [BS] BS  7644-1 - 1993
 | Direct Tension Indicators - Compressible Washers | 
                    
            | 39 |   | [GB] GB /T 32076.6 - 2015
 | High-Strength Structural Bolting Assemblies for Preloading - Part 6: Plain Chamfered Washers | 
                    
            | 40 |   | [GB] GB /T 3632 (H) - 2008
 | Torshear Type Plain Washer for Steel Structures | 
                    
            | 41 |   | [GB] GB /T 32076.11 - 2024
 | High-strength Structural Bolting Assemblies for Preloading Part 11: Load Indicating Washer | 
                    
            | 42 |   | [BS] BS  4395-1 - 1969
 | High Strength Plain Washers | 
                    
            | 43 |   | [BS] BS  7644-2 - 1993
 | Direct Tension Indicators - Nut Face Washers | 
                    
            | 44 |   | [GB] GB /T 3632 (W) - 1995
 | Torshear Type Plain Washer for Steel Structures | 
                    
            | 45 |   | [GB] GB /T 32076.5 - 2015
 | High-Strength Structural Bolting Assemblies for Preloading - Part 5: Plain Washers | 
                    
            | 46 |   | [GB] GB /T 33943 - 2017
 | Plain Washers for High Strength Anchoring of Steel Structures | 
                    
            | 47 |   | [GB] GB /T 32076.7 - 2015
 | System HV-Washers for High Strength Steel Structural | 
                    
            | 48 |   | [GB] GB /T 18230.5 - 2000
 | Plain Washers for High-strength Structural Bolting Hardened and Tempered | 
                    
            | 49 |   | [GB] GB /T 1230 - 1991
 | High Strength Plain Washers for Steel Structures | 
                    
            | 50 |   | [GB] GB /T 32076.11 (HB) - 2024
 | High-strength Structural Bolting Assemblies for Preloading Part 11: Bolt Face Washers (HB) | 
                    
            | 51 |   | [JIS] JIS B 1186 - 1995
 | High Strength Washer for Friction Grip Joints | 
                    
            | 52 |   | [GB] GB /T 1231 (washer) - 2024
 | High Strength Plain Washers for Steel Structural | 
                    
            | 53 |   | [JIS] JIS B 1186 - 2013
 | High Strength Washer for Friction Grip Joints | 
                    
            | 54 |   | [UNI] UNI  5714 - 1975
 | Flat Washer for High Strength Bolts - Grade C | 
                    
            | 55 |   | [JSS] JSS II 09 (-3) - 1996
 | High-strength Flat Washer for Structural Connection | 
                    
            | 56 |   | [ASTM] ASTM F 959 - 2017 (a)
 | Compressible-Washer-Type Diredt Tension Indicators for Use with Structual Fasteners,Inch Series | 
                    
            | 57 |   | [ASTM] ASTM F 959M - 2017 (a)
 | Compressible-Washer-Type Diredt Tension Indicators for Use with Structual Fasteners,Metric Series | 
                    
            | 58 |   | [ASTM] ASTM F 959 - 2005 (a)
 | Compressible-washer-type Diredt Tension Indicators for Use with Structual Fasteners | 
                    
            | 59 |   | [AS] AS /NZS 1252 - 1996
 | Flat Round Washers for High-Strength Structure Bolting | 
                    
            | 60 |   | [AS] AS /NZS 1252.1 - 2016
 | Flat Round Washers for High-Strength Structure Bolting | 
                    
            | 61 |   | [GOST] GOST R 52646 - 2006
 | Plain Washers for High-Strength Structural Bolting, Hardened and Tempered | 
                    
            | 62 |   | [AS] AS  1559 - 2018
 | ISO Metric Hot-Dip Galvanized Washers for Tower Construction | 
                    
            | 63 |   | [AS] AS /NZS 1559 - 1997
 | ISO Metric Hot-dip Galvanized Washers for Tower Construction | 
                    
            | 64 |   | [CNS] CNS  11328 - 1985
 | High Strength Friction Grip Washers | 
                    
            | 65 |   | [CNS] CNS  5113 - 1980
 | Washers for Timber Constructions | 
                    
            | 66 |   | [CNS] CNS  5015 - 1979
 | Washers for High-Tensile Prestressed  Structural Bolting | 
                    
            | 67 |   | [CNS] CNS  4649 - 1978
 | Hardened Plain Washers |