Fasteners Standards

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Increasing Consistency and Reliability Fastener Standards Importance in Global Sectors

Fastener standards play an important role in guaranteeing the quality, compatibility, and reliability of fasteners across multiple industries. These standards, developed by worldwide and national organizations such as ASTM, ISO, DIN, and ANSI, specify the design, materials, dimensions, testing techniques, and performance criteria for fasteners. Following these standards allows producers and users to reliably select and utilize fasteners that fulfill particular criteria, assuring uniformity, safety, and performance consistency in applications ranging from construction and automotive to aerospace and industrial.

These standards encompass a wide range of fastener types, such as bolts, nuts, screws, and washers, and are created through a consensus-building process including industry professionals. Standardisation not only allows for product interchangeability, but it also improves the general efficiency, safety, and dependability of structures and machines around the world. Compliance with these standards is critical for manufacturers, suppliers, and end-users to ensure the appropriate operation and integrity of fixed connections in a variety of applications.

ASTM Fasteners

  • ASTM A193 Grade B6 Bolts
  • ASTM A193 Grade B6X Bolts
  • ASTM A193 Grade B7 Bolts
  • ASTM A193 Grade B7m Bolts
  • ASTM A193 Grade B8 Bolts
  • ASTM A193 Grade B8M Bolts
  • ASTM A193 Grade B8 Class 2 Bolts
  • ASTM A193 Grade B8C Bolts
  • ASTM A193 Grade B16 Bolts
  • ASTM A194 Grade 2H Nuts
  • ASTM A194 Grade 7 Nuts
  • ASTM A194 Grade 8 Nuts
  • ASTM A194 Grade 8m Nuts
  • ASTM A563 Grade C Nut
  • ASTM A453 Grade 660 Bolts
  • ASTM A320 L7 Stud Bolts
  • ASTM F593 Bolts
  • ASTM A563 Nut
  • ASTM F468 Bolts
  • ASTM F436 Washer
  • ASTM F467 Nuts
  • ASTM F594 Nuts
  • A325 Structural Bolts
  • ISO 4014 Hex Bolt
  • ISO 4017 Hex Head Screw
  • ISO 4032 Nut
  • ISO 4162 Flange Bolts
  • ISO 4161 Flange Nut
  • En 14399-4 Bolt
  • En 14399-6 Washer
  • EN 15048 Bolts

ASTM Specifications For Bolts

ASTM A193 - Alloy and stainless steel bolting materials for high temperature or high pressure service.  
ASTM A307 - Carbon steel bolts and studs, 60,000 psi tensile strength.
ASTM A320 - Alloy and stainless steel bolting materials for low temperature service.
ASTM A325 - Bolts, Structural, steel, heat treated, 120/105 ksi minimum tensile strength.
ASTM A354 - Quenched and tempered steel bolts, studs, and other externally threaded fasteners.
ASTM A449 - Quenched and tempered bolts and studs for general use.
ASTM A490 - Structural, alloy steel bolts, heat treated, 150 ksi minimum tensile strength.
ASTM F568 - Standard for metric bolts, screws and studs that are used in general engineering applications
ASTM F593 - Stainless steel bolts, studs and hex cap screws
ASTM F1554 - Structural Anchor bolts

ASTM Specifications For Nuts

ASTM A194 -  Standard Specification for Carbon Steel and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service
ASTM A563 - Standard Specification for Wrought Cobalt-20, Nickel-20, Molybdenum-3.5,Chromium-3.5, Tungsten-5, Iron Alloy for Surgical Implant Applications
ASTM A594 - Standard Specification for Stainless Steel Nuts
ASTM F467 - Standard Specification for Non ferrous Nuts for General Use

ASTM Specifications For Washer

ASTM F436 - Specification for Hardened Steel, carbon steel, weathering steel washers
ASTM F844 - Standard Specification for Plain (Flat) Steel Washers, Unhardened for General Use
ASTM F959 - Standard Specification for DTI Washers, Compressible Type Direct Tension Indicators for Use with Structural Fasteners, 1/4 to 2-1/2 inches
ASTM F2437 - Standard Specification for DTI Washers, Compressible Type Direct Tension Indicators for Use with Structural Fasteners, 1/4 to 2-1/2 inches

IFI Fastener (ANSI , ASME)

Bolts & Screws

  • ASME B18.15 Forged Eyebolts (Type 1 & Type 2)
  • ASME B18.2.1 Square Head Bolts
  • ASME B18.2.1 Hex Bolts and Heavy Hex Bolts
  • ASME B18.2.1 Askew Head Bolts
  • ASME B18.2.1 Hex Cap Screws
  • ASME B18.2.1 Hex Flange Screws
  • ASME B18.2.1 Lobed Head Screws
  • IFI 115 Flange 12-Point Screws
  • ASME B18.5 Round Head Bolts
  • ASME B18.5 Round Head Square Neck Bolts
  • ASME B18.5 Round Head Short Square Neck Bolts
  • ASME B18.5 Round Head Ribbed Neck Bolts
  • ASME B18.5 Round Head Fin Neck Bolts
  • ASME B18.5 Step Bolts
  • ASME B18.5 Countersunk Bolts and Slotted Countersunk Bolts
  • ASME B18.5 114-deg Countersunk Square Neck Bolts
  • ASME B18.5 Flat Countersunk Head Elevator Bolts
  • ASME B18.5 T-Head Bolts
  • ASME B18.9 No. 3 Head Plow Bolts Round, Countersunk, Square Neck
  • ASME B18.9 No. 7 Head Plow Bolts Round, Countersunk, Reverse Key
  • ASME B18.9 No. 4 Repair Head Plow Bolts(Square Head, Countersunk)
  • ASME B18.9 No .6 Repair Head Plow Bolts(Round, Countersunk, Heavy Key)
  • ASME B18.10 Oval Neck Track Bolts
  • ASME B18.10 Elliptic Neck Track Bolts
  • IFI 136 Double End Studs
  • IFI 136 Interference-Thread Double End Studs
  • IFI 136 Bent Studs
  • IFI 148 Type U3 Projection Weld Studs
  • IFI 148 Type T3 Projection Weld Studs
  • IFI 148 Type TD Projection Weld Studs
  • IFI 148 Type UR Projection Weld Studs
  • IFI 148 Heavy Duty Type US3 Projection Weld Studs
  • IFI 148 Type UC4 Projection Weld Studs
  • IFI 148 Type TC4 Projection Weld Studs
  • IFI 148 Type TUS3 Projection Weld Studs
  • ASME B18.6.2 SLOTTED FLAT COUNTERSUNK HEAD CAP SCREWS
  • ASME B18.6.2 SLOTTED ROUND HEAD CAP SCREWS
  • ASME B18.6.2 SLOTTED FILLISTER HEAD CAP SCREWS
  • ASME B18.2.1 Square Head Bolts
  • ASME B18.6.2 SLOTTED HEADLESS SET SCREWS
  • ASME B18.2.5M Metric 12-Point Flange Head Screws
  • ASME B18.6.3 Slotted Flat Countersunk Head Screws
  • ASME B18.6.3 Recess Flat Countersunk Head Screws
  • ASME B18.6.3 Slotted 100-deg Flat Countersunk Head Screws
  • ASME B18.6.3 Recess 100-deg Flat Countersunk Head Screws
  • ASME B18.6.3 Slotted Close Tolerance 100-deg Flat Countersunk Head Screws
  • ASME B18.6.3 Recess Close Tolerance 100-deg Flat Countersuk Head Screws
  • ASME B18.6.3 Slotted Oval Countersuk Head Screws
  • ASME B18.6.3 Recess Oval Countersuk Head Screws
  • ASME B18.6.3 Slotted Undercut 82-deg Flat Countersuk Head Screws
  • ASME B18.6.3 Recess Undercut 82-deg Flat Countersuk Head Screws
  • ASME B18.6.3 Slotted Undercut Oval Countersuk Head Screws
  • ASME B18.6.3 Undercut Oval 82-deg Countersunk Head Screws
  • ASME B18.6.3 Flat Countersunk Trim Head Screws
  • ASME B18.6.3 Recess Dimensions For Countersuk Trim Head Screws

Nuts

  • ASME B18.2.2 Square and Hex Machine Screw Nuts
  • ASME B18.2.2 Small Pattern Hex Machine Screw Nuts
  • ASME B18.2.2 Square Nuts
  • ASME B18.2.2 Hex Flat Nuts and Hex Flat Jam Nuts
  • ASME B18.2.2 Hex Nuts and Hex Jam Nuts
  • ASME B18.2.2 Hex Slotted Nuts
  • ASME B18.2.2 Hex Thick Nuts
  • ASME B18.2.2 Hex Thick Slotted Nuts
  • ASME B18.2.2 Heavy Square Nuts
  • ASME B18.2.2 Heavy Hex Flat Nuts and Heavy Hex Flat Jam Nuts
  • ASME B18.2.2 Heavy Hex Nuts and Heavy Hex Jam Nuts
  • ASME B18.2.2 Heavy Hex Slotted Nuts
  • ASME B18.2.2 Hex Flange Nuts and Large Hex Flange Nuts
  • ASME B18.2.2 Hex Coupling Nuts
  • IFI 145 Hex Flange Nuts
  • IFI 128 Hex Coupling Nuts
  • ASME B18.10 Track Bolt Nuts

Rivets

  • ASME B18.1.1 Flat Head Rivets
  • ASME B18.1.1 Flat Countersunk Head Rivets
  • ASME B18.1.1 Button Head Rivets
  • ASME B18.1.1 Pan Head Rivets
  • ASME B18.1.1 Truss Head Rivets
  • ASME B18.1.1 Tinners Rivets
  • ASME B18.1.1 Coopers Rivets
  • ASME B18.1.1 Belt Rivets
  • ASME B18.1.1 60-Degree Flat Countersunk Head Rivets
  • ASME B18.1.2 Button Head Rivets
  • ASME B18.1.2 Button Head Acorn Rivets
  • ASME B18.1.2 Cone Head Rivets
  • ASME B18.1.2 Flat Countersunk Head Rivets
  • ASME B18.1.2 Oval Countersunk Head Rivets
  • ASME B18.1.2 Pan Countersunk Head Rivets
  • ASME B18.1.2 Swell-Neck Rivets
  • ASME B18.1.2 Button Head Rivets Manufactured Heads After Driving and Driven Heads,Also Hold-On (Dolly Bar)and Rivet Set Impressions
  • ASME B18.1.2 High Button Head (Acorn) Rivets Manufactured Heads After Driving and Driven Heads,Also Hold-On (Dolly Bar)and Rivet Set Impressions
  • ASME B18.1.2 Cone Head Rivets Manufactured Heads After Driving and Driven Heads,Also Hold-On (Dolly Bar)and Rivet Set Impressions
  • ASME B18.7 Oval Head Semi Tubular Riverts
  • ASME B18.1.2 Pan Head Rivets Manufactured Heads After Driving and Driven Heads,Also Hold-On (Dolly Bar)and Rivet Set Impressions
  • ASME B18.7 Truss Head Semi Tubular Riverts
  • ASME B18.7 150-deg Flat Countersunk Head Semi Tubular Riverts
  • ASME B18.7 150-deg Large Flat Countersunk Head Semi-Tubular Rivets
  • ASME B18.7 120-deg Flat Countersunk Head Semi- Tubular Riverts
  • ASME B18.7 Full Tubular Rivets:Oval Head,Truss Head,Flat Countersunk Head
  • ASME B18.7 Oval Head Split Rivets
  • ASME B18.7 Flat Countersunk Head Split Rivets
  • ASME B18.7 Rivet Caps
  • IFI 114 Break Mandrel Blind Rivets
  • IFI 117 Regular and Large Dome Head Pull Through Mandrel Blind Rivets
  • IFI 117 100 Degree Countersunk Head Pull Through Mandrel Blind Rivets
  • IFI 119 Regualr and Large Dome Head Style Structural Flush Break Pull Mandrel Self-Plugging Blind Rivets
  • IFI 119 100 Degree and 120 Degree Countersunk Head Style Structural Flush Break Pull Mandrel Self-Plugging Blind Rivets

DIN Fastener Specifications

  • DIN-Cap nuts
  • DIN-Castle nuts
  • DIN-Clevis pins
  • DIN-Clevis pins
  • DIN-Knurled nuts
  • DIN-Shim rings
  • DIN-Slotted head screws
  • DIN-Square head bolts
  • DIN-Square nuts
  • DIN-Tapping screws
  • DIN-Thread forming screws
  • DIN-Washers for use in structural steelwork
  • DIN-Weld nuts
  • DIN-Weld screws
  • DIN-Wood screws
  • DIN-Cross recessed head screws
  • DIN-Double end studs
  • DIN-Pins
  • DIN-Nails
  • DIN-Hexagon head bolts and screws 
  • DIN-Hexagon head bolts and screws for use in DIN-Structural steelwork
  • DIN-Drilling screws with tapping screw thread
  • DIN-Split pins
  • DIN-Plain washers
  • DIN-Hexalobular head bolts
  • DIN-Prevailing torque type nuts
  • DIN-Sepcial washers
  • DIN-Miscellaneous bolts and screws
  • DIN-Miscellaneous nuts
  • DIN-Retaining rings
  • DIN-Keys


    DIN 1-100


  • DIN 1 – Taper Pins 
  • DIN 7 – Dowel Pins 
  • DIN 84 A – Slotted Cheese Head Machine Screws 
  • DIN 85 A – Slotted Pan Head Machine Screws 
  • DIN 93 – Tab Washers With Long Tab 
  • DIN 94 – Cotter Pins 
  • DIN 95 – Slotted Oval Head Machine Screws 
  • DIN 96 – Slotted Round Head Wood Screws 
  • DIN 97 – Slotted Flat Head Wood Screws


    DIN 101-200


  • DIN 125 A – Flat Washer Without Chamfer 
  • DIN 125 B – Flat Washer With Chamfer 
  • DIN 126 – Grade C Flat Washer Without Chamfer 
  • DIN 127 A – Split Lock Washer With Bend Ends 
  • DIN 127 B – Split Lock Washer With Flat Ends 
  • DIN 128 A – Split Spring Washers, Curved 
  • DIN 128 B – Split Spring Washers, Waved 
  • DIN 137 A – Spring Washer, Curved 
  • DIN 137 B – Spring Washer, Waved 
  • DIN 186 A – Tee-Head Bolts With Square Head 
  • DIN 188 – Tee-Head Bolts With Double Nip 
  • DIN 193 
  • DIN 196


    DIN 301-400


  • DIN 315 – Wing Nuts 
  • DIN 316 – Wing Screws


    DIN 401-500


  • DIN 404 – Slotted Drilled Fillister Head Screws 
  • DIN 417 – Slotted set screws with full dog point
  • DIN 427 – Slotted Headless Screws 
  • DIN 431 – Jam Nut, Hexagonal 
  • DIN 432 – External Tab Washer 
  • DIN 433 – Flat Washer With Reduced O.D. 
  • DIN 434 – Square Bevel Washer: 8% 
  • DIN 435 – Square Bevel Washer: 14% 
  • DIN 436 – Square Washer 
  • DIN 438 – Slotted set screws with cup point
  • DIN 439 A – Hexagon Nuts – 0,5d Unchamfered 
  • DIN 439 B – Hexagon Nuts – 0,5d Chamfered 
  • DIN 444 A – Eye Bolts 
  • DIN 462 – Internal Tab Washers 
  • DIN 463 – Tab Washers With Long And Short Tab 
  • DIN 464 – Knurled Thumb Screws 
  • DIN 466 – Knurled Nuts, Full 
  • DIN 467 – Flat Knurled Nuts 
  • DIN 470 – Sealing Washers 
  • DIN 471 – External Retaining Rings 
  • DIN 472 – Internal Retaining Rings 
  • DIN 478 – Square Head Bolts 
  • DIN 479 – Square Head Bolts 
  • DIN 480 – Square Head Bolts


    DIN 501-600


  • DIN 525 – Weld Studs With Hexagon Nuts 
  • DIN 529 A – Anchor Bolts (Stone Bolt) 
  • DIN 529 B – Anchor Bolts (Stone Bolt) 
  • DIN 529 C – Masonry Bolts With Hexagon Nuts 
  • DIN 529 D – Anchor Bolts (Stone Bolt) 
  • DIN 529 E – Foundation Bolts With Hexagon Nuts 
  • DIN 529 F – Anchor Bolts (Stone Bolt)
  • DIN 529 G Bolt
  • Din 546 – Slotted Round Nut
  • DIN 547 – Round nuts with drilled holes in one face
  • DIN 548 – Round nuts with set pin holes in side
  • DIN 551 – Slotted Set Screws With Flat Point 
  • DIN 553 – Slotted Set Screws With Cone Point 
  • DIN 555 – Hexagon Nuts – 0,8d 
  • DIN 557 – Square Nuts 
  • DIN 558 – Fully Threaded Maching Bolts 
  • DIN 562 – Square Thin Nuts 
  • DIN 571 – Hexagon Lag Screws 
  • DIN 580 – Lifting Eye Bolts 
  • DIN 582 – Lifting Eye Nuts


    DIN 601-700


  • DIN 601- Hexagon head bolt with nut
  • DIN 603 Mu – Carriage Bolts With Hexagon Nuts 
  • DIN 604 – Flat Countersunk Nip Bolts With Hex Nuts 
  • DIN 605 – Flat Countersunk Square Neck Bolts 
  • DIN 607 – Round Head Nip Bolts With Nuts 
  • DIN 608 – Countersunk Square Bolts (Short Neck) 
  • DIN 609 – Hex Fitting Bolts w/long Threaded Portion 
  • DIN 610 – Hex fitting Bolts w/short Threaded Portion 
  • DIN 653 – Flat Knurled Thumb Screws 
  • DIN 660 – Round Head Rivets 
  • DIN 661 – Countersunk Head Rivets


    DIN 701-800


  • DIN 705 A – Shaft Collars


    DIN 801-900


  • DIN 835 Fo – Studs, Tap Ends – 2d


    DIN 901-1000


  • DIN 906 – Hexagon Socket Pipe Plugs 
  • DIN 908 – Hexagon Socket Screw Plugs 
  • DIN 910 – Hexagon Head Screw Plugs 
  • DIN 911 – Hexagon Socket Screw Keys 
  • DIN 912 – Socket Head Cap Screws 
  • DIN 913 – Socket Set Screws With Flat Point 
  • DIN 914 – Socket Set Screws With Cone Point 
  • DIN 915 – Socket Set Screws With Dog Point 
  • DIN 916 – Socket Set Screws With Cup Point 
  • DIN 917 – Hexagon Cup Nuts – Low Pattern 
  • DIN 920 – Slotted Pan Head Screws, Small Head 
  • DIN 921 – Slotted pan head screws with large head
  • DIN 923 – Slotted Pan Head Screws With Shoulder 
  • DIN 927 – Slotted Shoulder Screws 
  • DIN 928 – Square Weld Nuts 
  • DIN 929 – Hexagon Weld Nuts 
  • DIN 931 – Hexagon Cap Screws Partially Threaded 
  • DIN 933 – Hexagon Cap Screws Fully Threaded 
  • DIN 933 Sz – Hexagon Cap Screws With Slot 
  • DIN 934 – Hexagon Nuts – 0,8d 
  • DIN 935 – Castle Nuts 
  • DIN 936 – Hexagon Jam Nuts 
  • DIN 937 – Hexagon Thin Slotted And Castle Nuts 
  • DIN 938 – Studs – Metal end ≈ 1 d.htm
  • DIN 939 – Studs, Tap End – 1,25d 
  • DIN 960 – Hex Cap Screws, Metric Fine Thread – Part Thread 
  • DIN 961 – Hex Cap Screws, Metric Fine Thread – Full Thread 
  • DIN 963 A- Slotted Flat Head Machine Screws 
  • DIN 964 A- Slotted Oval Head Machine Screws 
  • DIN 965 A – Cross Recessed Flat Head Machine Screws 
  • DIN 966 A – Cross Recessed Oval Head Machine Screws 
  • DIN 980 V – Self-Locking Nuts; All Metal Conctruction 
  • DIN 982 – Self- Locking Nuts w/nylon Insert: Heavy Series 
  • DIN 985 – Self Locking Nuts w/locking Insert: Standard Series 
  • DIN 986 – Self Locking Domed Cap Nuts With Nylon Insert 
  • DIN 988 – Shim Washers 


    DIN 1001-2000


  • DIN 1052 
  • DIN 1440 – Flat Washers With Clevis Pins, Medium 
  • DIN 1441 – Flat Washers For Clevis Pins, Coarse 
  • DIN 1473 – Grooved Pins Full Length Paralled Grooved 
  • DIN 1475 – Grooved Pins Third Length Center Grooved 
  • DIN 1476 – Round Head Grooved Pins 
  • DIN 1477 – Flat Countersunk Head Grooved Pins 
  • DIN 1480 – Turnbuckles 
  • DIN 1481 – Spring Ppins, Heavy Duty 
  • DIN 1587 – Hexagon Domed Cap Nuts, Full Pattern 
  • DIN 1804 w – Slotted Round Nuts


    DIN 2001-3000


  • DIN 2093 A,B,C – Dics Springs (Belleville Type) 
  • DIN 2338 – Parallel Pin
  • DIN 2339
  • DIN 2509 – Double end studs
  • DIN 2510


    DIN 3001-3999


  • DIN 3570 – U Bows U Bolts


    DIN 6001-7000


  • DIN 6319 – C D G Spherical washers and conical seats
  • DIN 6325 – Parallel Pins Hardened 
  • DIN 6332 – Grub screws with thrust point
  • DIN 6334 – Hexagon Nuts – 3d 
  • DIN 6796 – Conical Spring Washers (Belleville Type) 
  • DIN 6797 A+J – Internal/External Tooth Lock Washers 
  • DIN 6797 AZ – Tooth Lock Washers (Type AZ) 
  • DIN 6797 IZ – Tooth Lock Washers (Type JZ) 
  • DIN 6797 AZV – Tooth Lock Washers (Type AZV) 
  • DIN 6798 A+J – Serrated Lock Washers 
  • DIN 6798 AZV – Serrated Lock Washers (type AZV) 
  • DIN 6798 V – 90degree Countersunk Serrated Lock Washers 
  • DIN 6799 – Circlips For Shafts 
  • DIN 6885 A – Parallel Keys, Round Ended 
  • DIN 6885 B – Parallel Keys, Square Ended 
  • DIN 6911 – Hexagon Socket Screw Keys With Pilot 
  • DIN 6912 – Low Head Socket Cap Screws With Pilot 
  • DIN 6914 – Hex Bolts For High Strength Struct. Bolting 
  • DIN 6915 – Hex Nuts For High Strength Struc. Bolting 
  • DIN 6916 – Washers For High Strength Structural Bolting 
  • DIN 6917 – Square taper washer for -sections 14%
  • DIN 6918 – Square taper washer for U-sections
  • DIN 6921 – Hex Flange Bolts
  • DIN EN 1665 Hexagon bolts with flange – heavy series(Replace DIN 6922)
  • DIN 6923 – Hexagonal Flange Nuts 
  • DIN 6924 Prevailing torque type hexagon nut with nylon insert ISO 7040
  • DIN 6925 – Prevailing torque type hexagon nut all metal
  • DIN 6926 – Self-Locking Hex Flange Nuts: Non Metallic Insert
  • DIN EN 1663 – Prevailing torque type hexagon nuts with flange with non-metallic insert


    DIN 7001-8000


  • DIN 7338 – Rivets for brake linings and clutch linings
  • DIN 7343 – Coiled Pins, Medium Duty 
  • DIN 7349 – Flat Washers With Large Ext. Diameter 
  • DIN 7504 – N P K head self drilling screws
  • DIN 7968 – Hexagon fit bolts with hexagon nut for steel structures
  • DIN 7969 – Slotted countersunk head bolts with hexagon nut for steel structures
  • DIN 7970 – Tapping screw threads
  • DIN 7978 A – Taper PIns With Internal Thread 
  • DIN 7979 D – Dowel Pins With Internal Thread 
  • DIN 7980 – Hi-Collar Lock Washers 
  • DIN 7981 B(BZ) – Cross Recessed Pan Head Tapping Screws 
  • DIN 7982 B – Cross Rec. Flat hd Tapping Screws, hd Angle 80 
  • DIN 7983 B – Cross Rec. Oval hd Tapping Screw, hd Angle 80 
  • DIN 7984 – Socket Low Head Cap Screws 
  • DIN 7985 A – Cross Recessed Pan Head Machine Screws 
  • DIN 7985 Z1 – Cr. Rec. Pan Head Screws w/captive Flt. Washer 
  • DIN 7985 Z4 – Cr. Rec. Pan Head Screws w/captive l/washer 
  • DIN 7989 A – Washers For Steel Constructions 
  • DIN 7991 – Flat Socket Head Cap Screws
  • DIN 7997 – Cross recessed countersunk head wood screws
  • DIN 7998 – Threads and Thread Ends for Wood Screws


    DIN 9001-9999


  • DIN 9021
  • DIN 9250 Safety lock serrate washer 


  • DIN EN 22339 – Unhardened Taper Pins (Replace DIN 1) 

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