Fastener Dimensions & Standards

1. Dimensions
   1. BOLTS
      1. ASME
         1. HEX BOLT
            1. B18.2.1 Hex
            2. B18.2.3.5M
         2. HEAVY HEX BOLT
            1. B18.2.1 Heavy Hex
            2. B18.2.3.6M
            3. B18.2.3.7M
            4. B18.2.6M
         3. SQUARE BOLT
            1. B18.2.1 Square
            2. B18.2.3.10M
         4. ASKEW HEAD BOLT
            1. B18.2.1 Askew Head
         5. ROUND HEAD BOLT
            1. B18.5 Short Square Neck
            2. B18.5.2.1M
            3. B18.5.2.2M
            4. B18.5 Ribbed Neck
            5. B18.5.2.3M
            6. B18.5 Square Neck
            7. B18.5 Fin Neck
         6. OTHER BOLTS
            1. B18.9
            2. B18.10
            3. B18.15
         7. COUNTERSUNK BOLT
            1. B18.5 & Slotted
            2. B18.5 114 Degree Countersunk
         8. T BOLT
            1. B18.5 T-Head
            2. B5.1M
         9. STEP BOLT
            1. B18.5 Step
      2. ISO
         1. HEX BOLT
            1. ISO 4014
            2. ISO 4015
            3. ISO 4016
            4. ISO 8765
            5. ISO 4017
         2. HEX FLANGE BOLT
            1. ISO 4162
            2. ISO 15071
            3. ISO 15072
            4. ISO 8100
            5. ISO 8102
            6. ISO 12125
         3. MUSHROOM HEAD BOLT
            1. ISO 8677
      3. DIN
         1. HEX BOLT
            1. DIN 931
         2. U BOLT
            1. DIN 3570
         3. CARRIAGE BOLT
            1. DIN 603
            2. DIN 607
         4. FLANGED HEX BOLT
            1. DIN 6921 Flanged Hex
            2. DIN 6921 Serrated Flanged Hex
         5. COUNTERSUNK BOLT
            1. DIN 608
            2. DIN 604
         6. HEAVY HEX BOLT
            1. DIN 6914
         7. SQUARE HEAD BOLT
            1. DIN 478
         8. PLOUGH BOLT
            1. DIN 11014
         9. EYE BOLT
            1. DIN 444
            2. DIN 580
   2. WASHERS
      1. ASME
         1. PLAIN WASHER
            1. B18.22M
            2. B18.22.1 Type A
            3. B18.22.1 Type B
         2. FENDER WASHER
            1. B18.21.1
         3. HELICAL SPRING LOCK WASHER
            1. B18.21.1 Regular
            2. B18.21.1 Heavy
            3. B18.21.1 Extra Duty
            4. B18.21.1 Hi-Collar
         4. TOOTH LOCK WASHER
            1. B18.21.1 External Tooth
            2. B18.21.1 Countersunk External Tooth
            3. B18.21.1 Internal Tooth
            4. B18.21.1 Heavy Internal Tooth
            5. B18.21.1 Internal-External Tooth
         5. LOCK WASHER
            1. B18.21.1M
            2. B18.21.2M
            3. B18.21.3
      2. ISO
         1. PLAIN WASHER
            1. ISO 7089
            2. ISO 7090
            3. ISO 7091
            4. ISO 7092
            5. ISO 7093-1
            6. ISO 7094
            7. ISO 8738
         2. SPRING WASHER
            1. ISO 10670
      3. DIN
         1. PLAIN WASHER
            1. DIN 125 A
            2. DIN 125 B
            3. DIN 434
            4. DIN 435
            5. DIN 436
            6. DIN 988
            7. DIN 1052
            8. DIN 1440
            9. DIN 1441
            10. DIN 6319C
            11. DIN 6319D
            12. DIN 7349
            13. DIN 7989
         2. SPRING WASHER
            1. DIN 137 A Curved
            2. DIN 137 B Wave
            3. DIN 127 A Rectangular
            4. DIN 127 B Rectangular
            5. DIN 128 A Curved
            6. DIN 128 B Waved
            7. DIN 2093 Disc
            8. DIN 6796 Conical
            9. DIN 7980 Square
         3. LOCK / TAB WASHER
            1. DIN 93
            2. DIN 432
            3. DIN 462
            4. DIN 463
            5. DIN 6798 V
   3. STUDS
      1. ASME
         1. CONTINUOUS THREAD STUD
            1. B18.31.1M
            2. B18.31.2
         2. TAP END STUD
            1. B18.31.1M Full Body
            2. B18.31.1M Reduced Body
            3. B18.31.2 Full Body
            4. B18.31.2 Reduced Body
         3. CLAMPING STUD
            1. B18.31.1M Full Body
            2. B18.31.1M Reduced Body
            3. B18.31.2 Full Body
            4. B18.31.2 Reduced Body
         4. FLANGE BOLTING STUD
            1. B18.31.2
         5. THREADED ROD
            1. B18.31.3
            2. B18.31.4M
         6. FULL THREAD STUDS
            1. B16.5 Metric
            2. B16.5 Imperial
         7. STUD BOLTS WITH CHAMFERED END
            1. B16.5 Metric
            2. B16.5 Imperial
      2. DIN
         1. DOUBLE END STUD
            1. DIN 938
            2. DIN 939
            3. DIN 2510 L
            4. DIN 2510 K
            5. DIN 2510 KU
            6. DIN 2510 Z
            7. DIN 2510 ZU
            8. DIN 2510 GP
            9. DIN 2510 GQ
            10. DIN 2510 GR
            11. DIN 2510 GS
            12. DIN 2510 HP
            13. DIN 2510 HQ
            14. DIN 2510 HR
            15. DIN 2510 HS
         2. METRIC THREAD STUD
            1. DIN 976A
            2. DIN 976B
         3. WELDING STUD
            1. DIN 525
   4. NUTS
      1. ASME
         1. HEX NUT
            1. B18.2.2
            2. B18.2.4.1M
            3. B18.2.4.2M
         2. HEAVY HEX NUT
            1. B18.2.2
            2. B18.2.4.6M
         3. JAM NUT
            1. B18.2.2 Hex
            2. B18.2.2 Heavy Hex
            3. B18.2.4.5M
         4. HEX FLAT NUT
            1. B18.2.2 Hex
            2. B18.2.2 Heavy Hex
            3. B18.2.2 Jam
            4. B18.2.2 Heavy Jam
         5. HEX SLOTTED NUT
            1. B18.2.2
            2. B18.2.2 Heavy
            3. B18.2.2 Thick
            4. B18.2.4.3M
         6. HEX THICK NUT
            1. B18.2.2
         7. HEX FLANGE NUT
            1. B18.2.2
            2. B18.2.2 Large
            3. B18.2.4.4M
         8. HEX COUPLING NUT
            1. B18.2.2
         9. MACHINE SCREW NUT
            1. B18.2.2 Hex
            2. B18.2.2 Small Pattern Hex
            3. B18.2.2 Square
         10. SQUARE NUT
             1. B18.2.2
             2. B18.2.2 Heavy
         11. LOCK NUT
             1. B18.16M
             2. B18.16.4
             3. B18.16.6
         12. WING NUT
             1. B18.17 Type A
             2. B18.17 Type B
             3. B18.17 Type C
             4. B18.17 Type D
             5. B18.6.9
      2. ISO
         1. HEX NUT
            1. ISO 4032
            2. ISO 4033 High
            3. ISO 4034
            4. ISO 4035
            5. ISO 4036
            6. ISO 8673
            7. ISO 8674
            8. ISO 8675
         2. HEX FLANGE NUT
            1. ISO 4161
            2. ISO 21670
            3. ISO 12126
         3. NYLON INSERT LOCK NUT
            1. ISO 7040
            2. ISO 7041
            3. ISO 7043
            4. ISO 7044
         4. PREVAILING TORQUE NUT
            1. ISO 7042
            2. ISO 7719
            3. ISO 7720
            4. ISO 10511
            5. ISO 10512
            6. ISO 10513
            7. ISO 10663
      3. DIN
         1. HEX NUT
            1. DIN 934
            2. DIN 2510 NF
            3. DIN 2510 TF
         2. WING NUT
            1. DIN 315
         3. HEX JAM / THIN NUT
            1. DIN 439 A
            2. DIN 439 B
            3. DIN 936
         4. CASTLE NUT
            1. DIN 935
            2. DIN 937
         5. WELD NUT
            1. DIN 928
            2. DIN 929
         6. CAP NUT
            1. DIN 917
            2. DIN 986
            3. DIN 1587
         7. LOCK / NYLON INSERT NUT
            1. DIN 980
            2. DIN 982
            3. DIN 985
            4. DIN 6926
            5. DIN 7967
         8. FLANGE NUT
            1. DIN 6923
         9. SQUARE NUT
            1. DIN 557
            2. DIN 562
         10. OTHER
             1. DIN 546
             2. DIN 582
             3. DIN 1804
             4. DIN 6330
             5. DIN 6331
             6. DIN 6334
   5. SCREWS
      1. ASME
         1. HEX CAP SCREW
            1. B18.2.1
            2. B18.2.3.1M
            3. B18.2.3.2M
            4. B18.2.3.3M
            5. B18.2.3.4M
            6. B18.2.3.8M
            7. B18.2.3.9M
         2. HEAVY HEX CAP SCREW
            1. B18.2.1
         3. HEX FLANGE SCREW
            1. B18.2.1
         4. LAG SCREW
            1. B18.2.1 Square
            2. B18.2.1 Hex
         5. SOCKET HEAD CAP SCREW
            1. B18.3 Hexagon
            2. B18.3 Spline
            3. B18.3.1M
            4. B18.3.3M
            5. B18.3.4M
            6. B18.3.5M
            7. B18.3.6M
            8. B18.3.1M Socket Head Cap Screws
         6. MACHINE SCREW
            1. B18.6.3 Plain Hexagon Head Machine Screws
            2. B18.6.3 Slotted Hexagon Head Machine Screws
            3. B18.6.3 Slotted Flat CSK
            4. B18.6.3 Slotted Undercut 82-deg Flat CSK
            5. B18.6.3 100° Flat CSK
            6. B18.6.3 Close Tolerance 100° Flat CSK
            7. B18.6.7M
            8. B18.11 Miniature
            9. B18.6.3 Binding Head
            10. B18.6.3 Fillister Head
            11. B18.6.3 Pan Head
            12. B18.6.3 Round Head
            13. B18.6.3 Truss Head
            14. B18.6.3 Phillips Mushroom
            15. B18.6.2 Slotted Fillister Head Cap Screws
            16. B18.6.2 Slotted Round Head Cap Screws
            17. B18.6.3 Slotted Drilled Fillister Head Machine Screws
         7. SET SCREW
            1. B18.6.2 Slotted Headless
            2. B18.6.2 Square Head
            3. B18.3 Hex Socket Set
            4. B18.3 Optional Cup Points
         8. TAPPING SCREW
            1. B18.6.4 Thread Forming
            2. B18.6.5M Thread Forming
            3. B18.6.3 Hammer Drive
         9. WOOD SCREW
            1. B18.6.1
            2. B18.2.1 Hex Lag Screws
            3. B18.2.1 Square Lag Screws
         10. 12 POINT SCREW
             1. B18.2.5M
             2. B18.2.7.1M
             3. IFI 115
         11. COUNTERSUNK SCREW
             1. B18.3 Hexagon And Spline Socket Flat Countersunk Head Cap Screws
             2. B18.6.2 Slotted Flat Countersunk Head Cap Screws
             3. B18.6.3 Close Tolerance 100 Degree Flat Countersunk Head Machine Screws
             4. B18.6.3 Slotted 100 Degree Flat Countersunk Head Machine Screws
             5. B18.6.3 Slotted Flat Countersunk Head Machine Screws
             6. B18.6.3 Slotted Oval Countersunk Head Machine Screws
             7. B18.6.3 Slotted Undercut Flat Countersunk Head Machine Screws
             8. B18.6.3 Slotted Undercut Oval Countersunk Head Machine Screws
             9. B18.6.7M Slotted Cross And Square Recessed Flat Countersunk Head Machine Screws
         12. SHOULDER SCREW
             1. B18.3 Hexagon Socket Head Shoulder Screws
      2. DIN
         1. MACHINE SCREW
            1. DIN 404 Slotted Capstan Screws
            2. DIN 7500C Pozi Pan Thread Rolling Screws
            3. DIN 7985H Phillips Pan
            4. DIN 7985Z Pozi Pan
            5. DIN 84 Slot Cheese
            6. DIN 85 Slot Pan
            7. DIN 920 Reduced Head Slot Pan
            8. DIN 921 Large Head Slot Pan
            9. DIN 922 Slotted Pan Head Screws With Small Head And Full Dog Point
         2. SOCKET HEAD CAP SCREW
            1. DIN 6912 Low Head Socket Cap Screws With Pilot Recess
            2. DIN 7984 Low Head Socket Cap Screws
            3. DIN 912 Socket Cap Screws
            4. DIN 912 Socket Cap Screws With Serration
         3. SET SCREW
            1. DIN 427 Slotted Part Thread
            2. DIN 438 Slotted Cup Point
            3. DIN 551 Slotted Flat Point
            4. DIN 553 Slotted Cone Point
            5. DIN 913 Socket Flat Point
            6. DIN 914 Socket Cone Point
            7. DIN 915 Socket Dog Point
            8. DIN 916 Socket Cup Point
            9. DIN 960 Slotted With Cup Point
         4. HEX HEAD SCREW
            1. DIN 7500C Hexalobular Pan Thread Rolling Screws
            2. DIN 7985 Hexalobular Pan Machine Screws
            3. DIN 933SZ Slotted Hexagon Head Screws
            4. DIN 961 Fine Thread Hexagon Screws
         5. COUNTERSUNK SCREW
            1. DIN 7500M Hexalobular Countersunk Thread Rolling Screws
            2. DIN 7500M Pozi Countersunk Thread Rolling Screws
            3. DIN 7504O Hexalobular Countersunk Self Drilling
            4. DIN 7504OH Phillips Countersunk Self Drilling
            5. DIN 7504OZ Pozi Countersunk Self Drilling
            6. DIN 7972C Slot Countersunk Ab Self Tapping Screws
            7. DIN 7973C Slot Raised Countersunk Ab Self Tapping Screws
            8. DIN 7982C Hexalobular Countersunk Ab Self Tapping Screws
            9. DIN 7982C Square Drive Countersunk Self Tapping Screws
            10. DIN 7982CH Phillips Countersunk Ab Self Tapping Screws
            11. DIN 7982CZ Pozi Countersunk Ab Self Tapping Screws
            12. DIN 7982FH Phillips Countersunk B Self Tapping Screws
            13. DIN 7983C Hexalobular Raised Countersunk Ab Self Tapping Screws
            14. DIN 7983CH Phillips Raised Countersunk Ab Self Tapping Screws
            15. DIN 7983CZ Pozi Raised Countersunk Ab Self Tapping Screws
            16. DIN 7995 Pozi Raised Countersunk Woodscrews
            17. DIN 7997 Pozi Countersunk Woodscrews
            18. DIN 924 Slotted Raised Countersunk Head Screws With Full Dog Point
            19. DIN 95 Slot Raised Countersunk Woodscrews
            20. DIN 963 Slot Countersunk Machine Screws
            21. DIN 964 Slot Raised Countersunk Machine Screws
            22. DIN 965 Hexalobular Countersunk Machine Screws
            23. DIN 965Z Pozi Countersunk Machine Screws
            24. DIN 966H Phillips Raised Countersunk Machine Screws
            25. DIN 966TX Hexalobular Raised Countersunk Machine Screws
            26. DIN 966Z Pozi Raised Countersunk Machine Screws
            27. DIN 97 Slot Countersunk Woodscrews
         6. SHOULDER SCREW
            1. DIN 923 Slot Pan
            2. DIN 927 Slot
         7. WOOD SCREW
            1. DIN 571 Hexagon Head Coach Screws
            2. DIN 7996 Pozi Round
            3. DIN 96 Slot Round
         8. SELF DRILLING SCREW
            1. DIN 7504K Hexagon Head Self Drilling With Sealing Washer
            2. DIN 7504K Hexagon Washer Head Self Drilling
            3. DIN 7504M Hexalobular Pan Self Drilling
            4. DIN 7504MH Phillips Pan Self Drilling
            5. DIN 7504MZ Pozi Pan Self Drilling
         9. TAPPING SCREW
            1. DIN 7971C Slot Pan Ab Self
            2. DIN 7976 Hexagon Head Ab Self
            3. DIN 7981C Hexalobular Pan Ab Self
            4. DIN 7981C Square Drive Pan Self
            5. DIN 7981CH Phillips Pan Ab Self
            6. DIN 7981CZ Pozi Pan Ab Self
            7. DIN 7981FH Phillips Pan B Self
            8. DIN 7981FZ Pozi Pan B Self
         10. SOCKET HEAD CAP SCREW
             1. DIN 912
             2. DIN 912 w/Serration
             3. DIN 6912 Low Head
             4. DIN 7984 Low Head
         11. SET SCREW
             1. DIN 913 Flat Point
             2. DIN 914 Cone Point
             3. DIN 915 Dog Point
             4. DIN 916 Cup Point
             5. DIN 551 Slotted Flat
             6. DIN 553 Slotted Cone
         12. HEX HEAD SCREW
             1. DIN 933
             2. DIN 961 Fine Thread
         13. COUNTERSUNK SCREW
             1. DIN 7991 Hexalobular Pin
             2. DIN 7991 Hex Socket Pin
             3. DIN 7991 2-Hole
      3. ISO
         1. MACHINE SCREW
            1. ISO 1207 Slotted Cheese Head
            2. ISO 1580 Slotted Pan Head Screws
            3. ISO 7046 Cross Recessed Raised Cheese Head Screws
         2. SOCKET HEAD CAP SCREW
            1. ISO 14579 Hexalobular Cap Screws
            2. ISO 14580 Hexalobular Low Head Cap Screws
            3. ISO 4762
            4. ISO 7380 1 Hexalobular Button Screws
            5. ISO 7380 2 Flanged Hexalobular Button Screws
            6. ISO 7380 2 Flanged Socket Button Screws
            7. ISO 7380 Socket Button Screws
            8. ISO 7435 Hexagon Socket Button Head Screws With Torx
         3. SET SCREW
            1. ISO 4766 Slotted With Flat Point
            2. ISO 7434 Slotted With Cone Point
            3. ISO 7436 Slotted With Pins
            4. ISO 8765 Slotted With Cup Point
            5. ISO 4026 Hexagon
            6. ISO 4027 Hexagon Socket With Flat Point
            7. ISO 4028 Hexagon Socket With Cone Point
            8. ISO 4029 Hexagon Socket With Full Dog Point
            9. ISO 7045 Hexagon Socket With Cup Point
         4. HEX HEAD SCREW
            1. ISO 14583 Hexalobular Pan Machine Screws
            2. ISO 15480 Hex Washer Head Thread Forming Screws With Iso Threads
            3. ISO 4017 Hexagon Head Screws
            4. ISO 8676 Hexagon Head Screws With Fine Threads
         5. COUNTERSUNK SCREW
            1. ISO 10642 Hexalobular
            2. ISO 10642 Socket
            3. ISO 14581 Hexalobular Countersunk Machine Screws
            4. ISO 14584 Hexalobular Raised Countersunk Machine Screws
            5. ISO 14586 Hexalobular Countersunk Ab Self Tapping Screws
            6. ISO 14587 Hexalobular Raised Countersunk Ab Self Tapping Screws
            7. ISO 1482 Slotted Countersunk Head Tapping Screws
            8. ISO 1483 Slotted Raised Countersunk Head Tapping Screws
            9. ISO 15482 Cross Recessed Countersunk Head Self
            10. ISO 2009 Slotted Countersunk Head Screws
            11. ISO 2010 Slotted Raised Countersunk Head Screws
            12. ISO 2342 Slotted Raised Countersunk Oval Head Screws
            13. ISO 7046 Philip Flat Head
            14. ISO 7049 Cross Recessed Countersunk Flat Head Screws
            15. ISO 7051 Cross Recessed Countersunk Head Tapping Screws
         6. SELF DRILLING SCREW
            1. ISO 15481 Drilling Screws Type P
            2. ISO 2010 Cross Recessed Pan Head
         7. TAPPING SCREW
            1. ISO 14585 Hexalobular Pan Ab Self
            2. ISO 1479 Hexagon Head Self
            3. ISO 1481 Slotted Pan Head
            4. ISO 7050 Pan Head With Cross Recess H And Z Form C
         8. HEX HEAD SCREW
            1. ISO 4017
            2. ISO 4018
            3. ISO 8676
         9. SOCKET HEAD CAP SCREW
            1. ISO 4762
            2. ISO 14579 Hexalobular
            3. ISO 14580 Low Head
            4. ISO 7380 Button
            5. ISO 7380-1 Hexalobular
            6. ISO 7380-2 Flanged
         10. SET SCREW
             1. ISO 4026 Flat Point
             2. ISO 4027
             3. ISO 4028 Cone Point
             4. ISO 4029 Dog Point
             5. ISO 4766 Slotted

Bolting Types

ASME B18.2.1 Hex Bolt ASME B18.2.1 Heavy Hex Bolt ASME B18.2.6M Heavy Hex Bolt ASME B18.6.3 Micro Screws ASME B18.2.2 Hex Nut ASME B18.2.2 Heavy Hex Nut ASME B18.2.2 Square and Hex Machine Screw Nuts ASME B18.2.2 Small Pattern Hex Machine Screw Nuts ASME B18.2.4.6M Heavy Hex Nut ISO 4014 Hex Bolt ISO 4762 Socket Head Cap Screw ISO 4032 Hex Nut IFI 115 12 Point Flange Screw