DIN Standards Reference
A quick reference for the DIN and ISO fastener standards behind our product range — dimensions, grades, and finishes, each linked to the BK Global product that meets it.
Bolts
ASTM A193
ASTM A193 (Alloy Steel Bolting for High-Temperature Service)
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ASTM A194
ASTM A194 (Carbon & Alloy Steel Nuts for High-Pressure Service)
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ASTM A325
ASTM A325 (Structural Bolts, Steel, Heat Treated)
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ASTM A563
ASTM A563 (Carbon & Alloy Steel Nuts)
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DIN 444
DIN 444 (Eye Bolt)
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DIN 558
DIN 558 (Hex Bolt, Product Grade C)
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DIN 603
DIN 603 (Cup Square / Carriage Bolt)
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DIN 604
DIN 604 (Round Head Square Neck Bolt, Long Square)
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DIN 605
DIN 605 (Countersunk Square Neck Bolt)
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DIN 6912
DIN 6912 (Low Head Socket Cap Screw)
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DIN 6914
DIN 6914 (Hex Bolt for Structural Bolting, HV)
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DIN 6921
DIN 6921 (Hexagon Flange Bolt)
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DIN 7990
DIN 7990 (Hex Bolt for Steel Structures)
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DIN 7991 / ISO 10642
DIN 7991 (Countersunk Socket Head Screw)
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DIN 912 / ISO 4762
DIN 912 (Hexagon Socket Head Cap Screw)
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DIN 931 / ISO 4014
DIN 931 (Hex Bolt, Partial Thread)
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DIN 933 / ISO 4017
DIN 933 (Hex Bolt, Full Thread)
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DIN 960
DIN 960 (Hex Bolt, Fine Pitch, Partial Thread)
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DIN 961
DIN 961 (Hex Bolt, Fine Pitch, Full Thread)
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DIN 975
DIN 975 (Threaded Rod, Metric)
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DIN 976
DIN 976 (Threaded Rod / Stud Bolt, Metric)
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EN 14399
EN 14399 (Structural Bolting Assemblies, Preloadable)
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EN 15048
EN 15048 (Structural Bolting Assemblies, Non-Preloadable)
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IS 12427
IS 12427 (High Strength Structural Bolts)
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IS 1363 (Part 1)
IS 1363-1 (Hex Head Bolts, Product Grade C)
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IS 1363 (Part 2)
IS 1363-2 (Hex Head Screws, Product Grade C)
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IS 2269
IS 2269 (Hex Head Bolts, Product Grade A/B)
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IS 2609
IS 2609 (Hex Nuts, Product Grade A/B)
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IS 3757
IS 3757 (High Strength Structural Bolts)
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IS 6761
IS 6761 (Plain Washers for High Strength Structural Bolting)
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ISO 898
ISO 898 (Mechanical Properties of Fasteners)
View Details →Nuts
DIN 6923
DIN 6923 (Hexagon Flange Nut)
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DIN 934 / ISO 4032
DIN 934 (Hexagon Nut)
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DIN 985
DIN 985 (Hexagon Nylon Insert Lock Nut)
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IS 1363 (Part 3)
IS 1363-3 (Hex Nuts, Product Grade C)
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IS 1364 (Part 5)
IS 1364-5 (Hex Nuts, Product Grade A/B)
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IS 6623
IS 6623 (Hex Nuts for High Strength Structural Bolting)
View Details →Washers
BS 4320
BS 4320 (Metal Washers for General Engineering Purposes)
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DIN 125 / ISO 7089
DIN 125 (Plain Washer)
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DIN 126
DIN 126 (Washer, Medium Series)
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DIN 127
DIN 127 (Spring Lock Washer)
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DIN 436
DIN 436 (Square Washer, Heavy Series)
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DIN 6916
DIN 6916 (Washer for HV Structural Bolting)
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DIN 9021
DIN 9021 (Washer, Large Outside Diameter)
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IS 5369