General Fastener Standard Comparison

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Use this table for comparing DIN, ISO and BS standards of fasteners.

For guidance only due to differences in dimensions between standards.

ISO StandardDIN StandardBritish StandardProduct
ISO 2339DIN 1-Cone Pins, untempered
ISO 7089DIN 125-Washers; medium type, primarily for hexagon bolts
ISO 7090DIN 125-Washers; medium type, primarily for hexagon bolts
ISO 7091DIN 126-Product grade C washers - designed for use with hexagon head bolts and nut
-DIN 127BS4464BSpring lock washers with square ends or tang ends
-DIN 128-Curved and wave spring lock washers
-DIN 137-Spring washers, curved or wave
ISO 8738DIN 1440-Medium type washers for pins
ISO 2340DIN 1443-Clevis pins without head
ISO 2341DIN 1444-Clevis pins with head
ISO 8739DIN 1470-Grooved Pins, Full Length Parallel-grooved with Pilot
ISO 8744DIN 1471-Grooved Pins, Full Length Taper-grooved
ISO 8745DIN 1472-Grooved Pins, Half Length Taper-grooved
ISO 8740DIN 1473-Grooved Pins, Full Length Parallel-grooved with Chamfer
ISO 8741DIN 1474-Grooved Pins, Half Length Reverse-grooved
ISO 8742DIN 1475-Grooved Pins, Third Length Centre-grooved
ISO 8746DIN 1476-Round Head Grooved Pins
ISO 8747DIN 1477-Countersunk Head Grooved Pins
ISO 8752DIN 1481-Spring-Type Straight Pins (Roll Pins) - Heavy Type
-DIN 1587-Hexagon domed cap nuts
-DIN 1816-Round Nut with Set Pin Holes Inside; ISO Metric Fine Thread
-DIN 315-Wing nuts with rounded wings
-DIN 316-Wing screws with rounded wings
-DIN 404-Slotted capstan screws
ISO 7435DIN 417-Slotted set screws with long dog point
ISO 2342DIN 427-Slotted headless screws with chamfered end
ISO 4034DIN 428-Hexagon nuts, Grade C
ISO 7092DIN 433-Washers for use with cheese head screws
ISO 7092DIN 433-1-Product grade A washers - with a hardness up to 250 HV designed for use with cheese head screws
ISO 7092DIN 433-2-Product grade A washers - with a hardness up to 300 HV designed for use with cheese head screws
ISO 7436DIN 438-Slotted set screws with cup point
ISO 4035DIN 439BS3692Hexagon thin nuts
ISO 4036DIN 439BS3692Hexagon thin nuts
ISO 8675DIN 439BS3692Hexagon thin nuts
ISO 4036DIN 439-1-Unchamfered hexagon thin nuts - Product grade B
ISO 4035DIN 439-2-Chamfered hexagon thin nuts - Product grades A and B
ISO 8675DIN 439-2-Chamfered hexagon thin nuts - Product grades A and B
ISO 7094DIN 440-Washers for use in timber constructions
-DIN 444-Eyebolts
-DIN 462-Machine Tools; Internal Tab Washers for Slotted Round Nuts for Hook Spanner according to DIN 1804
-DIN 464-Knurled thumb screws, high type
-DIN 466-Knurled nuts, high type
-DIN 467-Knurled nuts, low type
-DIN 471-Circlips (retaining rings) for shafts; Normal type and heavy type
-DIN 479-Square head bolts with short dog point
-DIN 5406-Lockwashers and locking plates for use with rolling bearings
-DIN 548-Round nuts with set pin holes in side
ISO 4766DIN 551-Slotted set screws with flat point
ISO 7434DIN 553-Slotted set screws with cone point
ISO 4034DIN 555-M5 to M100x6 hexagon nuts - Product grade C
ISO 4018DIN 558-Hexagon head screws
-DIN 580-Collar eyebolts for lifting purposes
ISO 4016DIN 601-M5 to M52 hexagon head bolts; product grade C
-DIN 603-Mushroom head square neck bolts
-DIN 609-Hexagon fits bolts with long thread
-DIN 6319-Spherical washers and conical seats
ISO 8734DIN 6325-Parallel Pins, Hardened; Tolerance Zone m6
-DIN 6340-Washers for clamping devices
-DIN 653-Knurled thumb screws, low type
-DIN 6797-Toothed lock washers
-DIN 6798-Serrated lock washers
-DIN 6799-Lock washers (retaining washers) for shafts
ISO 10644DIN 6900-Screw and Washer Assemblies
ISO 10510DIN 6901-Tapping screw and washer assemblies
ISO 10673DIN 6902-Plain washers for screw and washer assemblies
ISO 10669DIN 6903-Plain washers for tapping screw and washer assemblies
-DIN 6912-Hexagon socket thin head cap screws with pilot recess
ISO 14399-4DIN 6914-High-strength hexagon head bolts with large widths across flats for structural steel bolting
-DIN 6916-Round washers for high-strength structural steel bolting
ISO 1665DIN 6921-Hexagon flange bolts
ISO 1665DIN 6922-Hexagon flange bolts with reduced shank
ISO 1661DIN 6923-Hexagon nuts with flange
ISO 7040DIN 6924-Prevailing torque type hexagon nuts with nonmetallic insert
ISO 10512DIN 6924-Prevailing torque type hexagon nuts with nonmetallic insert
ISO 7042DIN 6925-Prevailing torque type all-metal hexagon nuts
ISO 10513DIN 6925-Prevailing torque type all-metal hexagon nuts
ISO 7043DIN 6926-Prevailing torque type hexagon nuts with flange and with non-metallic insert
ISO 12125DIN 6926-Prevailing torque type hexagon nuts with flange and with non-metallic insert
ISO 7044 DIN 6927-Prevailing torque type all-metal nuts with flange
ISO 12126 DIN 6927-Prevailing torque type all-metal nuts with flange
-DIN 7045-Pan head screws with type H or type Z cross recess - product grade A
ISO 14589DIN 7337-Break mandrel blind rivets
ISO 15977 to ISO 15984DIN 7337-Break mandrel blind rivets
ISO 16582 to ISO 16584DIN 7337-Break mandrel blind rivets
ISO 8750DIN 7343-Spiral Pins; Normal Type
ISO 8748DIN 7344-Spiral Pins; Heavy Duty Type
ISO 13337DIN 7346-Spring-Type Straight Pins; (Roll Pins) Light-weight Type
-DIN 7349-Plain Washers for Bolts with Heavy Clamping Sleeves
ISO 7085DIN 7500-1-Thread rolling screws for metric ISO thread - Part 1: Types, designation, requirements
-DIN 7500-2-Thread rolling screws for ISO metric thread; guideline values for hole diameters
-DIN 7504-Self-drilling screws with tapping screw thread - Dimensions, requirements and testing
-DIN 7513-Hexagon head and slotted head thread cutting screws - Dimensions, requirements and testing
-DIN 7516-Cross recessed head thread cutting screws - Dimensions, requirements and testing
-DIN 7603-Ring seals and gaskets
ISO 1478DIN 7970-Threads and thread ends for tapping screws (modified version of ISO 1478)
ISO 1481DIN 7971BS4174Slotted pan head tapping screws
ISO 1482DIN 7972-Slotted countersunk head tapping screws
ISO 1483DIN 7973-Slotted raised countersunk head tapping screws
ISO 8737DIN 7977-Taper Pins with Thread Ends and Constant Point Lengths
ISO 8736DIN 7978-Taper Pins with Internal Thread
ISO 8733DIN 7979-Parallel Pins with Internal Thread
ISO 8735DIN 7979-Parallel Pins with Internal Thread
-DIN 7980BS4464ASpring lock washers with square ends for cheese head screws
ISO 7049DIN 7981-Cross recessed pan head tapping screws
ISO 7050DIN 7982-Cross recessed countersunk head tapping screws
ISO 7051DIN 7983-Countersunk (Flat) Head Tapping Screws with Cross Recess
-DIN 7984-Hexagon socket thin head cap screws
ISO 7045DIN 7985BS4183Cross recessed raised Phillips Pan head screws
-DIN 7989-1-Washers for steel structures - Product grade C
-DIN 7989-2-Washers for steel structures - Product grade A
ISO 10642DIN 7991BS4168Hexagon socket countersunk head cap screws
ISO 1207DIN 84BS4183Product grade A slotted cheese head screws
ISO 1580DIN 85BS4183Product grade A slotted pan head screws
ISO 7093DIN 9021-Plain washers with large outside diameter
-DIN 908-Hexagon socket screw plugs with parallel screw thread
-DIN 910-Hexagon-duty hexagon head screw plugs
ISO 2936DIN 911-Hexagon Socket Screw Keys
ISO 4762DIN 912BS4168Hexagon socket head cap screws (modified version of ISO 4762)
 ISO 21268DIN 912BS4168Hexagon socket head cap screws (modified version of ISO 4762)
ISO 4026DIN 913-Hexagon socket set screws with flat point (ISO 4026 modified)
ISO 4027DIN 914-Hexagon socket set screws with cone point (ISO 4029 modified)
ISO 4028DIN 915-Hexagon socket set screws with full dog point
ISO 4029DIN 916-Hexagon socket set screws with cup point (ISO 4029 modified)
-DIN 918-3-Overview of European Standards for fasteners
-DIN 921-Slotted pan head screws with large head
-DIN 923-Slotted pan head screws with shoulder
-DIN 929-Hexagon weld nuts
-DIN 93-Tab washers with long tab
-DIN 930-Fine thread pitch partially threaded screws
ISO 4014DIN 931-1BS3692M1,6 to M39 Hexagon Cap Screws Partially Threaded - Product grades A and B
ISO 4014DIN 931-2BS3692M42 to M160x6 Hexagon Cap Screws Partially Threaded - Product grade B
ISO 4017DIN 933BS3692M1,6 to M52 Hexagon Cap Screws Fully Threaded - Product grades 8.8
ISO 4032DIN 934-Hexagon nuts with metric coarse and fine pitch thread - Product classes A and B
ISO 8673DIN 934-Hexagon nuts with metric coarse and fine pitch thread - Product classes A and B
-DIN 935-1-Hexagon slotted nuts and castle nuts with metric coarse and fine pitch thread - Product grades A and B
-DIN 935-2-M42 to M160x6 hexagon head bolts; product grade B
-DIN 935-3-Hexagon slotted nuts with metric coarse pitch thread - Product grade C
-DIN 936BS3692M8 to M52 and M8x1 to M52x3 hexagon thin nuts; product grades A and B
-DIN 937-Hexagon thin castle nuts
-DIN 938-Studs with a length of engagement equal to about 1 d
-DIN 939-Studs with a length of engagement equal to about 1,25 d
ISO 1234DIN 94-Split pins
-DIN 95-Slotted Raised Countersunk (Oval) Head Wood Screws
-DIN 96-Slotted Round Head Wood Screws
ISO 8765DIN 960-M8x1 to M100x4 hexagon head bolts with fine pitch thread - Product grades A and B
ISO 8676DIN 960-M8x1 to M100x4 hexagon head bolts with fine pitch thread - Product grades A and B
ISO 8676DIN 961-M8x1 to M52x3 hexagon head bolts with fine pitch thread - Product grades A and B
-DIN 962-Designation system for fasteners
ISO 2009DIN 963BS3692Slotted countersunk head screws (with countersunk heads as specified in ISO 2009-1972)
ISO 2010DIN 964BS3692Slotted raised countersunk oval head screws
ISO 7046DIN 965BS3692Cross recessed countersunk flat head screws
ISO 7047DIN 966-Cross recessed raised countersunk head screws
ISO 4032DIN 970-Hexagon nuts; Style 1; Metric coarse thread, Product grades A and B; ISO 4032 modified
ISO 8673DIN 971-1-Style 1 hexagon nuts with metric fine pitch thread; property classes 6 and 8
ISO 8674DIN 971-2-Style 2 hexagon nuts with metric fine pitch thread; property classes 10 and 12
ISO 4034DIN 972-M5 to M39 hexagon nuts; style 1; product grade C (modified version of ISO 4034)
-DIN 975-Threaded rods
-DIN 976-1-Metric thread stud bolts
-DIN 976-2-Metric interference-fit thread stud bolts
ISO 21670DIN 977-Hexagon weld nuts with flange
-DIN 979-Hexagon thin slotted nuts and castle nuts with metric coarse and fine pitch thread - Product grades A and B
ISO 7042DIN 980-All-metal prevailing torque type hexagon nuts
ISO 10513DIN 980-All-metal prevailing torque type hexagon nuts
-DIN 981-Locknuts for use with rolling bearings
ISO 7040DIN 982-Prevailing torque type hexagon nuts with nonmetallic insert
ISO 10512DIN 982-Prevailing torque type hexagon nuts with nonmetallic insert
-DIN 983-Retaining rings with lugs for use on shafts (external circlips)
ISO 10511DIN 985-Prevailing torque type hexagon thin nuts with nonmetallic insert
-DIN 986-Prevailing torque type hexagon domed cap nuts with non-metallic insert
-DIN 988-Shim rings and supporting rings

* Calculated with: HB = 0,95 · HV

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