
Honesty Steel & Alloys Ltd. is a trusted Manufacturer, Exporter & Supplier of Carbon Steel ASTM A105 Fasteners, offering forged carbon steel fasteners for demanding industrial applications. Our ASTM A105 fasteners are manufactured and supplied in different sizes, dimensions, thread configurations, finishes and grades to meet customer-specific requirements and applicable international standards.
ASTM A105 is a carbon steel forging specification widely used for components intended for pressure-containing and general industrial applications. ASTM A105 fastener components are valued for their strength, toughness, machinability and suitability for high-pressure piping, valves, flanges, process equipment and structural assemblies.
ASTM A105 stud bolts are commonly used in flange connections where the bolt passes through aligned flange holes and is secured with nuts. Stud bolts are particularly useful for applications requiring repeated assembly and disassembly. ASTM A105 Heavy Hex Bolts are designed for demanding industrial applications. Their larger head geometry provides additional bearing area and makes them suitable for heavy-duty bolting assemblies.
ASTM A105 Nuts are used together with compatible bolts and studs to create secure mechanical connections. Hex nuts and heavy hex nuts can be supplied in different sizes and thread configurations
ASTM A105 Threaded Rods provide continuous external threading and are used for fastening, suspension and structural applications. They are available in different diameters and lengths.
We supply ASTM A105 Carbon Steel Bolts, Nuts, Washers, Stud Bolts, Threaded Rods, Screws and other customized forged fasteners for industries including oil & gas, petrochemical, chemical processing, power generation, refineries, construction, marine, engineering and general industrial manufacturing.
| Product | Carbon Steel ASTM A105 Fasteners |
| Material | Carbon Steel |
| Grade | Carbon Steel ASTM A105 |
| Standards | ASTM / ASME, ISO, DIN, BS, EN |
| Bolt Standards | ASME B18.2.1, DIN, ISO, BS |
| Nut Standards | ASME B18.2.2, DIN, ISO, BS |
| Screw Standards | ASME / ISO / DIN / BS |
| Thread | Metric / UNC / UNF / BSW / BSF |
| Thread Type | Coarse / Fine |
| Surface | Plain / Passivated / Polished |
| Finish | Natural / Bright / Customized |
| Types | Nuts, Bolts, Screws, Socket Screw, Sockets, Studs, Screw, Nut, Spring Washers, Hex Set Screw, Socket Hexagon Head Screw, Cap Screw, Wing Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Studs, Anchors, Hex Nut,Marine Anchors, Hexagon Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Anchor Bolt, U- Bolts, J Bolts, T-Head Bolts, Mushroom Head Square Neck Bolts, Eye Bolt, Foundation Bolts, Structural Bolts |
| Manufacturing | Cold Forged / Hot Forged / Machined |
| Size | Metric & Imperial |
| Supply Condition | Annealed / Cold Worked / As Specified |
| Application | Industrial, Construction, Engineering, Fabrication |
| Element | Typical ASTM A105 Requirement |
|---|---|
| Carbon (C) | 0.35% max. |
| Manganese (Mn) | 0.60–1.05% |
| Phosphorus (P) | 0.035% max. |
| Sulfur (S) | 0.040% max. |
| Silicon (Si) | 0.10–0.35% |
| Copper (Cu) | 0.40% max. |
| Nickel (Ni) | 0.40% max. |
| Chromium (Cr) | 0.30% max. |
| Molybdenum (Mo) | 0.12% max. |
| Vanadium (V) | 0.08% max. |
| Mechanical Property | Typical Requirement |
|---|---|
| Tensile Strength | 485 MPa min. |
| Yield Strength | 250 MPa min. |
| Elongation | 30% min. |
| Reduction of Area | 30% min. |
| Hardness | As specified by applicable ASTM A105 requirements |
Carbon Steel ASTM A105 Carriage Bolts
Carbon Steel ASTM A105 Eye Bolts
Carbon Steel ASTM A105 Bolts
Carbon Steel ASTM A105 Nuts
Carbon Steel ASTM A105 Exhaust Bolts
Carbon Steel ASTM A105 Spring Washers
Carbon Steel ASTM A105 Countersunk Bolts
Carbon Steel ASTM A105 Threaded Rod
Carbon Steel ASTM A105 Double Ended Studs
Carbon Steel ASTM A105 Nord Lock Washer
Carbon Steel ASTM A105 Acorn Nuts
Carbon Steel ASTM A105 Self Locking Hex Nut
Carbon Steel ASTM A105 Self Hex Head Screw
Carbon Steel ASTM A105 Square Nuts
Carbon Steel ASTM A105 Allen Cap Screw
Carbon Steel ASTM A105 Set Screw
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| Types | Size Range | Class | Standards |
|---|---|---|---|
| Hex Nut | M3 to M30 | A2 – 70/80, A4 – 70/80 | DIN 934 / ISO 4032 |
| Hex Head Screw (Full Thread) | M3 to M30 | A2 – 70/80, A4 – 70/80 | DIN 933 / ISO 4017 |
| Hex Head Bolt (Partial Thread) | M4 to M30 | A2 – 70/80, A4 – 70/80 | DIN 931 / ISO 4014 |
| Threaded Rod | M3 to M36 | A2 – 70/80, A4 – 70/80 | DIN 975 |
| Plain Washer | M3 to M64 | A2, A4 | DIN 125 A |
| Flat – Section Spring Washer | M3 to M36 | A2, A4 | DIN 127 B |
| Square – Section Spring Washer | M3 to M36 | A2, A4 | DIN 7980 |
| Socket Head Cap Screw | M3 to M30 | A2 – 70/80, A4 – 70/80 | DIN 912 / ISO 4762 |
| Product | Typical Imperial Range |
|---|---|
| Bolts | 1/8" to 4" |
| Screws | 1/8" to 2" |
| Nuts | 1/8" to 4" |
| Washers | 1/8" to 4" |
| Studs | 1/4" to 4" |
| Threaded Rods | 1/4" to 4" |
| ASME B18.1.1 | Small Solid Rivets | ASME B18.8.1 | Clevis Pins and Cotter Pins |
| ASME B18.1.2 | Large Rivets | ASME B18.8.2 | Taper Pins, Dowel Pins, Straight Pins, Grooved Pins and Spring Pins |
| ASME B18.2.1 | Square and Hex Bolts and Screws | ASME B18.9 | Plow Bolts |
| ASME B18.2.2 | Square and Hex Nuts | ASME B18.10 | Track Bolts and Nuts |
| ASME B18.2.6 | Fasteners for use in Structural Applications | ASME B18.11 | Miniature Screws |
| ASME B18.3 | Socket Cap, Shoulder and Set Screws | ASME B18.13 | Screws and Washer Assemblies (Sems) |
| ASME B18.5 | Round Head Bolts | ASME B18.15 | Forged Eyebolts |
| ASME B18.6.2 | Slotted Head Cap Screws, Square Head Set Screws, and Slotted Headless Set Screws | ASME B18.17 | Wing Nuts, Thumb Screws and Wing Screws |
| ASME B18.6.3 | Machine Screws and Machine Screws Nuts | ASME B18.21.1 | Lock Washers |
| ASME B18.6.4 | Thread Forming and Thread Cutting Tapping Screws and Metallic Drive Screws | ASME B18.22.1 | Plain Washers |
| ASME B18.7 | General Purpose Semi- Tubular Rivets, Full Tubular Rivets, Split Rivets and Rivet Caps | ASME B18.23.1 | Beveled Washers |
| Nominal or Basic Product Diameter | E | F | G | H | J | LT (Thread Length) | Y | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Diameter | Width Across Flats | Width Across Corners | Head Height | Wrenching Height | For Screw Lengths | For Screw Lengths | Transition Thread Length | ||||||||
| 1/4 | 0.25 | 0.25 | 0.245 | 7/16 | 0.438 | 0.428 | 0.505 | 0.488 | 5/32 | 0.163 | 0.150 | 0.106 | 0.750 | 1.000 | 0.250 |
| 5/16 | 0.3125 | 0.3125 | 0.3065 | 1/2 | 0.500 | 0.489 | 0.577 | 0.557 | 13/64 | 0.211 | 0.195 | 0.140 | 0.875 | 1.125 | 0.278 |
| 3/8 | 0.375 | 0.375 | 0.369 | 9/16 | 0.562 | 0.551 | 0.650 | 0.628 | 15/64 | 0.243 | 0.226 | 0.160 | 1.000 | 1.250 | 0.312 |
| 7/16 | 0.4375 | 0.4375 | 0.4305 | 5/8 | 0.625 | 0.612 | 0.722 | 0.698 | 9/32 | 0.291 | 0.272 | 0.195 | 1.125 | 1.375 | 0.357 |
| 1/2 | 0.5 | 0.5 | 0.493 | 3/4 | 0.750 | 0.736 | 0.866 | 0.840 | 5/16 | 0.323 | 0.302 | 0.215 | 1.250 | 1.500 | 0.385 |
| 9/16 | 0.5625 | 0.5625 | 0.5545 | 13/16 | 0.812 | 0.798 | 0.938 | 0.910 | 23/64 | 0.371 | 0.348 | 0.250 | 1.375 | 1.625 | 0.417 |
| 5/8 | 0.625 | 0.625 | 0.617 | 15/16 | 0.938 | 0.922 | 1.083 | 1.051 | 25/64 | 0.403 | 0.378 | 0.269 | 1.500 | 1.750 | 0.455 |
| 3/4 | 0.75 | 0.75 | 0.741 | 1-1/8 | 1.125 | 1.100 | 1.299 | 1.254 | 15/32 | 0.483 | 0.455 | 0.324 | 1.750 | 2.000 | 0.500 |
| 7/8 | 0.875 | 0.875 | 0.866 | 1-5/16 | 1.312 | 1.285 | 1.516 | 1.465 | 35/64 | 0.563 | 0.531 | 0.378 | 2.000 | 2.250 | 0.556 |
| 1 | 1 | 1 | 0.99 | 1-1/2 | 1.500 | 1.469 | 1.732 | 1.675 | 39/64 | 0.627 | 0.591 | 0.416 | 2.250 | 2.500 | 0.625 |
| 1-1/8 | 1.125 | 1.125 | 1.114 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 11/16 | 0.718 | 0.658 | 0.461 | 2.500 | 2.750 | 0.714 |
| 1-1/4 | 1.25 | 1.25 | 1.239 | 1-7/8 | 1.875 | 1.812 | 2.165 | 2.066 | 25/32 | 0.813 | 0.749 | 0.530 | 2.750 | 3.000 | 0.714 |
| 1-1/2 | 1.5 | 1.5 | 1.488 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 15/16 | 0.974 | 0.902 | 0.640 | 3.250 | 3.500 | 0.833 |
| Nominal Size or Basic Major Thread Diameter | F | G | H | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Width Across Flats | Width Across Corners | Thickness | |||||||
| Basic | Max | Min | Max | Min | Basic | Max | Min | ||
| 1/4 | .2500 | 1/2 | .500 | .488 | .577 | .556 | 15/64 | .250 | .218 |
| 5/16 | .3125 | 9/16 | .562 | .546 | .650 | .622 | 19/64 | .314 | .280 |
| 3/8 | .3750 | 11/16 | .688 | .669 | .794 | .763 | 23/64 | .377 | .341 |
| 7/16 | .4375 | 3/4 | .750 | .728 | .866 | .830 | 27/64 | .441 | .403 |
| 1/2 | .5000 | 7/8 | .875 | .850 | 1.010 | .969 | 31/64 | .504 | .464 |
| 9/16 | .5625 | 15/16 | .938 | .909 | 1.083 | 1.037 | 35/64 | .568 | .526 |
| 5/8 | .6250 | 1-1/16 | 1.062 | 1.031 | 1.227 | 1.175 | 39/64 | .631 | .587 |
| 3/4 | .7500 | 1-1/4 | 1.250 | 1.212 | 1.443 | 1.382 | 47/64 | .758 | .710 |
| 7/8 | .8750 | 1-7/16 | 1.438 | 1.394 | 1.660 | 1.589 | 55/64 | .885 | .833 |
| 1 | 1.0000 | 1-5/8 | 1.325 | 1.575 | 1.876 | 1.796 | 63/64 | 1.012 | .956 |
| 1-1/8 | 1.1250 | 1-13/16 | 1.812 | 1.756 | 2.093 | 2.002 | 1-7/64 | 1.139 | 1.079 |
| 1-1/4 | 1.2500 | 2 | 2.000 | 1.938 | 2.309 | 2.209 | 1-7/32 | 1.251 | 1.187 |
| 1-3/8 | 1.3750 | 2-3/16 | 2.188 | 2.119 | 2.526 | 2.416 | 1-11/32 | 1.378 | 1.460 |
| 1-1/2 | 1.5000 | 2-3/8 | 2.375 | 2.300 | 2.742 | 2.622 | 1-15/32 | 1.505 | 1.433 |
| 1-5/8 | 1.6250 | 2-9/16 | 2.562 | 2.481 | 2.959 | 2.828 | 1-19/32 | 1.632 | 1.556 |
| 1-3/4 | 1.7500 | 2-3/4 | 2.750 | 2.662 | 3.175 | 3.035 | 1-23/32 | 1.759 | 1.679 |
| 2 | 2.0000 | 3-1/8 | 3.125 | 3.025 | 3.608 | 3.449 | 1-31/32 | 2.013 | 1.925 |
| 2-1/4 | 2.2500 | 3-1/2 | 3.500 | 3.388 | 4.041 | 3.862 | 2-13/64 | 2.251 | 2.155 |
| 2-1/2 | 2.5000 | 3-7/8 | 3.875 | 3.750 | 4.474 | 4.275 | 2-29/64 | 2.505 | 2.401 |
| 2-3/4 | 2.7500 | 4-1/4 | 4.250 | 4.112 | 4.907 | 4.688 | 2-45/64 | 2.759 | 2.647 |
| 3 | 3.0000 | 4-5/8 | 4.625 | 4.475 | 5.340 | 5.102 | 2-61/64 | 3.013 | 2.893 |
| 3-1/4 | 3.2500 | 5 | 5.000 | 4.838 | 5.774 | 5.515 | 3-3/16 | 3.252 | 3.124 |
| 3-1/2 | 3.5000 | 5-3/8 | 5.375 | 5.200 | 6.207 | 5.928 | 3-7/16 | 3.506 | 3.370 |
| 3-3/4 | 3.7500 | 5-3/4 | 5.750 | 5.562 | 6.640 | 6.341 | 3-11/16 | 3.670 | 3.616 |
| 4 | 4.0000 | 6-1/8 | 6.125 | 5.925 | 7.073 | 6.755 | 3-15/16 | 4.014 | 3.862 |
| Nominal Size (Inch) | Basic Diameter (mm) | Full-Size Body Diameter (E) | Width Across Flats (F) | Width Across Corners (G) | Head Height (H) | Fillet Radius (R) | Nominal Thread Length (LT) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max | Min | Basic (inch) | Max | Min | Max | Min | Basic (inch) | Max | Min | Max | Min | 6 in. & Shorter | Over 6 in. | ||
| 1/4 | 0.25 | 0.26 | 0.237 | 7/16 | 0.438 | 0.425 | 0.505 | 0.484 | 11/64 | 0.188 | 0.15 | 0.03 | 0.01 | 0.75 | 1.0 |
| 5/16 | 0.3125 | 0.324 | 0.298 | 1/2 | 0.5 | 0.484 | 0.577 | 0.552 | 7/32 | 0.235 | 0.195 | 0.03 | 0.01 | 0.875 | 1.125 |
| 3/8 | 0.375 | 0.388 | 0.36 | 9/16 | 0.562 | 0.544 | 0.65 | 0.62 | 1/4 | 0.268 | 0.226 | 0.03 | 0.01 | 1.0 | 1.25 |
| 7/16 | 0.4375 | 0.452 | 0.421 | 5/8 | 0.625 | 0.603 | 0.722 | 0.687 | 19/64 | 0.347 | 0.272 | 0.03 | 0.01 | 1.125 | 1.375 |
| 1/2 | 0.5 | 0.515 | 0.482 | 3/4 | 0.75 | 0.725 | 0.866 | 0.826 | 11/32 | 0.364 | 0.302 | 0.03 | 0.01 | 1.25 | 1.5 |
| 5/8 | 0.625 | 0.642 | 0.605 | 15/16 | 0.938 | 0.906 | 1.083 | 1.033 | 27/64 | 0.444 | 0.378 | 0.06 | 0.02 | 1.5 | 1.75 |
| 3/4 | 0.75 | 0.768 | 0.729 | 1 1/8 | 1.125 | 1.088 | 1.299 | 1.24 | 1/2 | 0.524 | 0.455 | 0.06 | 0.02 | 1.75 | 2.0 |
| 7/8 | 0.875 | 0.895 | 0.852 | 1 5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 37/64 | 0.604 | 0.531 | 0.06 | 0.02 | 2.0 | 2.25 |
| 1 | 1.0 | 1.022 | 0.976 | 1 1/2 | 1.5 | 1.45 | 1.732 | 1.653 | 43/64 | 0.7 | 0.591 | 0.09 | 0.03 | 2.25 | 2.5 |
| 1 1/8 | 1.125 | 1.149 | 1.098 | 1 11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 3/4 | 0.78 | 0.658 | 0.09 | 0.03 | 2.5 | 2.75 |
| 1 1/4 | 1.25 | 1.277 | 1.223 | 1 7/8 | 1.875 | 1.812 | 2.165 | 2.066 | 27/32 | 0.876 | 0.749 | 0.09 | 0.03 | 2.75 | 3.0 |
| 1 3/8 | 1.375 | 1.404 | 1.345 | 2 1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 29/32 | 0.94 | 0.81 | 0.09 | 0.03 | 3.0 | 3.25 |
| 1 1/2 | 1.5 | 1.531 | 1.47 | 2 1/4 | 2.25 | 2.175 | 2.598 | 2.48 | 1 | 1.036 | 0.902 | 0.09 | 0.03 | 3.25 | 3.5 |
| 1 5/8 | 1.625 | 1.658 | 1.591 | 2 7/16 | 2.438 | 2.356 | 2.815 | 2.616 | 1 3/32 | 1.116 | 0.978 | 0.09 | 0.03 | 3.5 | 3.75 |
| 1 3/4 | 1.75 | 1.785 | 1.716 | 2 5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1 5/32 | 1.196 | 1.054 | 0.12 | 0.04 | 3.75 | 4.0 |
| 1 7/8 | 1.875 | 1.912 | 1.839 | 2 13/16 | 2.812 | 2.719 | 3.248 | 3.099 | 1 1/4 | 1.276 | 1.13 | 0.12 | 0.04 | 4.0 | 4.25 |
| 2 | 2.0 | 2.039 | 1.964 | 3 | 3.0 | 2.9 | 3.464 | 3.306 | 1 11/32 | 1.388 | 1.175 | 0.12 | 0.04 | 4.25 | 4.5 |
| 2 1/4 | 2.25 | 2.305 | 2.214 | 3 3/8 | 3.375 | 3.262 | 3.897 | 3.719 | 1 1/2 | 1.548 | 1.327 | 0.19 | 0.06 | 4.75 | 5.0 |
| 2 1/2 | 2.5 | 2.559 | 2.461 | 3 3/4 | 3.75 | 3.625 | 4.33 | 4.133 | 1 21/32 | 1.708 | 1.479 | 0.19 | 0.06 | 5.25 | 5.5 |
| 2 3/4 | 2.75 | 2.827 | 2.711 | 4 1/8 | 4.125 | 3.988 | 4.763 | 4.546 | 1 13/16 | 1.869 | 1.632 | 0.19 | 0.06 | 5.75 | 6.0 |
| 3 | 3.0 | 3.081 | 2.961 | 4 1/2 | 4.5 | 4.35 | 5.196 | 4.959 | 2 | 2.06 | 1.815 | 0.19 | 0.06 | 6.25 | 6.5 |
| 3 1/4 | 3.25 | 3.335 | 3.21 | 4 7/8 | 4.875 | 4.712 | 5.629 | 5.372 | 2 3/16 | 2.251 | 1.936 | 0.19 | 0.06 | 6.75 | 7.0 |
| 3 1/2 | 3.5 | 3.589 | 3.461 | 5 1/4 | 5.25 | 5.075 | 6.062 | 5.786 | 2 5/16 | 2.38 | 2.057 | 0.19 | 0.06 | 7.25 | 7.5 |
| 3 3/4 | 3.75 | 3.858 | 3.726 | 5 5/8 | 5.625 | 5.437 | 6.495 | 6.198 | 2 1/2 | 2.572 | 2.241 | 0.19 | 0.06 | 7.75 | 8.0 |
| 4 | 4.0 | 4.111 | 3.975 | 6 | 6.0 | 5.8 | 6.928 | 6.612 | 2 11/16 | 2.764 | 2.424 | 0.19 | 0.06 | 8.25 | 8.5 |
All dimensions are per ASME B18.2.1 Hex Bolt Standards.
| Nominal Size (inch) | Basic Major Diameter of Thread (inch) | Width Across Flats (F) | Width Across Corners (G) | Thickness of Heavy Hex Nuts (H) | Thickness of Heavy Hex Jam Nuts (H1) | Max Runout (FIM) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic | Min | Max | Min | Max | Basic | Min | Max | Basic | Min | Max | Up to 150k psi | 150k psi & greater | All grades | ||
| 1/4 | 0.2500 | 1/2 | 0.488 | 0.500 | 0.556 | 0.577 | 15/64 | 0.218 | 0.250 | 11/64 | 0.156 | 0.188 | 0.017 | 0.011 | 0.017 |
| 5/16 | 0.3125 | 9/16 | 0.546 | 0.562 | 0.622 | 0.650 | 19/64 | 0.280 | 0.314 | 13/64 | 0.186 | 0.220 | 0.020 | 0.012 | 0.020 |
| 3/8 | 0.3750 | 11/16 | 0.669 | 0.688 | 0.763 | 0.794 | 23/64 | 0.341 | 0.377 | 15/64 | 0.216 | 0.252 | 0.021 | 0.014 | 0.021 |
| 7/16 | 0.4375 | 3/4 | 0.728 | 0.750 | 0.830 | 0.866 | 27/64 | 0.403 | 0.441 | 17/64 | 0.247 | 0.285 | 0.022 | 0.015 | 0.022 |
| 1/2 | 0.5000 | 7/8 | 0.850 | 0.875 | 0.969 | 1.010 | 31/64 | 0.464 | 0.504 | 19/64 | 0.277 | 0.347 | 0.023 | 0.016 | 0.023 |
| 9/16 | 0.5625 | 15/16 | 0.909 | 0.938 | 1.037 | 1.083 | 35/64 | 0.526 | 0.568 | 21/64 | 0.307 | 0.349 | 0.024 | 0.017 | 0.024 |
| 5/8 | 0.6250 | 1 1/16 | 1.031 | 1.062 | 1.175 | 1.227 | 39/64 | 0.587 | 0.631 | 23/64 | 0.337 | 0.381 | 0.025 | 0.018 | 0.025 |
| 3/4 | 0.7500 | 1 1/4 | 1.212 | 1.250 | 1.382 | 1.443 | 47/64 | 0.710 | 0.758 | 27/64 | 0.398 | 0.446 | 0.027 | 0.020 | 0.027 |
| 7/8 | 0.8750 | 1 7/16 | 1.394 | 1.438 | 1.589 | 1.660 | 55/64 | 0.833 | 0.885 | 31/64 | 0.458 | 0.510 | 0.029 | 0.022 | 0.029 |
| 1 | 1.0000 | 1 5/8 | 1.575 | 1.625 | 1.796 | 1.876 | 63/64 | 0.956 | 1.012 | 35/64 | 0.519 | 0.575 | 0.031 | 0.024 | 0.031 |
| 1 1/8 | 1.1250 | 1 13/16 | 1.756 | 1.812 | 2.002 | 2.093 | 1 7/64 | 1.079 | 1.139 | 39/64 | 0.579 | 0.639 | 0.033 | 0.027 | 0.033 |
| 1 1/4 | 1.2500 | 2 | 1.938 | 2.000 | 2.209 | 2.309 | 1 7/32 | 1.187 | 1.251 | 23/32 | 0.687 | 0.751 | 0.035 | 0.030 | 0.035 |
| 1 3/8 | 1.3750 | 2 3/16 | 2.119 | 2.188 | 2.416 | 2.526 | 1 11/32 | 1.347 | 1.378 | 25/32 | 0.747 | 0.815 | 0.038 | 0.033 | 0.038 |
| 1 1/2 | 1.5000 | 2 3/8 | 2.300 | 2.375 | 2.622 | 2.742 | 1 15/32 | 1.433 | 1.505 | 27/32 | 0.808 | 0.880 | 0.041 | 0.036 | 0.041 |
| 1 5/8 | 1.6250 | 2 9/16 | 2.481 | 2.562 | 2.828 | 2.959 | 1 19/32 | 1.556 | 1.632 | 29/32 | 0.868 | 0.944 | 0.044 | 0.038 | 0.044 |
| 1 3/4 | 1.7500 | 2 3/4 | 2.662 | 2.750 | 3.035 | 3.175 | 1 23/32 | 1.679 | 1.759 | 31/32 | 0.929 | 1.009 | 0.048 | 0.041 | 0.048 |
| 1 7/8 | 1.8750 | 2 15/16 | 2.844 | 2.938 | 3.242 | 3.392 | 1 27/32 | 1.802 | 1.886 | 1 1/32 | 0.989 | 1.073 | 0.051 | 0.044 | 0.051 |
| 2 | 2.0000 | 3 1/8 | 3.025 | 3.125 | 3.449 | 3.608 | 1 31/32 | 1.925 | 2.013 | 1 3/32 | 1.050 | 1.138 | 0.055 | 0.047 | 0.055 |
| 2 1/4 | 2.2500 | 3 1/2 | 3.388 | 3.500 | 3.862 | 4.041 | 2 13/64 | 2.155 | 2.251 | 1 13/64 | 1.155 | 1.251 | 0.061 | 0.052 | 0.061 |
| 2 1/2 | 2.5000 | 3 7/8 | 3.750 | 3.875 | 4.275 | 4.474 | 2 29/64 | 2.401 | 2.505 | 1 29/64 | 1.401 | 1.505 | 0.068 | 0.058 | 0.068 |
| 2 3/4 | 2.7500 | 4 1/4 | 4.112 | 4.250 | 4.688 | 4.907 | 2 45/64 | 2.647 | 2.759 | 1 37/64 | 1.522 | 1.634 | 0.074 | 0.064 | 0.074 |
| 3 | 3.0000 | 4 5/8 | 4.475 | 4.625 | 5.102 | 5.340 | 2 61/64 | 2.893 | 3.013 | 1 45/64 | 1.643 | 1.763 | 0.081 | 0.070 | 0.081 |
| 3 1/4 | 3.2500 | 5 | 4.838 | 5.000 | 5.515 | 5.774 | 3 3/16 | 3.124 | 3.252 | 1 13/16 | 1.748 | 1.876 | 0.087 | 0.075 | 0.087 |
| 3 1/2 | 3.5000 | 5 3/8 | 5.200 | 5.375 | 5.928 | 6.207 | 3 7/16 | 3.370 | 3.506 | 1 15/16 | 1.870 | 2.006 | 0.094 | 0.081 | 0.094 |
| 3 3/4 | 3.7500 | 5 3/4 | 5.562 | 5.750 | 6.341 | 6.640 | 3 11/16 | 3.616 | 3.760 | 2 1/16 | 1.990 | 2.134 | 0.100 | 0.087 | 0.100 |
| 4 | 4.0000 | 6 1/8 | 5.925 | 6.125 | 6.755 | 7.073 | 3 15/16 | 3.862 | 4.014 | 2 3/16 | 2.112 | 2.264 | 0.107 | 0.093 | 0.107 |
All dimensions are as per ASME B18.2.2 Heavy Hex Nuts and Heavy Hex Jam Nuts standards.
| Bolt Size | A | B | C | Weight (lbs.) Per 100 Pieces |
| ID | OD | Thickness | ||
| 1/2 | 9/16 | 13/8 | 0.109 | 4 |
| 5/8 | 11/16 | 13/4 | 0.134 | 8 |
| 3/4 | 13/16 | 2 | 0.148 | 11 |
| 7/8 | 15/16 | 21/4 | 0.165 | 15 |
| 1 | 11/16 | 21/2 | 0.165 | 19 |
| 11/8 | 11/4 | 23/4 | 0.165 | 22 |
| 11/4 | 13/8 | 3 | 0.165 | 26 |
| 13/8 | 11/2 | 31/4 | 0.180 | 33 |
| 11/2 | 15/8 | 31/2 | 0.180 | 38 |
| 15/8 | 13/4 | 33/4 | 0.180 | 43 |
| 13/4 | 17/8 | 4 | 0.180 | 50 |
| 17/8 | 2 | 41/4 | 0.180 | 57 |
| 2 | 21/8 | 41/2 | 0.180 | 63 |
| 21/4 | 23/8 | 43/4 | 0.220 | 83 |
| 21/2 | 25/8 | 5 | 0.238 | 96 |
| 23/4 | 27/8 | 51/4 | 0.259 | 110 |
| 3 | 31/8 | 51/2 | 0.284 | 130 |
| Class 150 Flanges ASME B16.5 (Stud bolt sizes) | Length of Stud Bolts | |||||||
|---|---|---|---|---|---|---|---|---|
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 3 1/2 | 2 3/8 | 5/8 | 4 | 1/2 | 2 1/4 | – | |
| 3/4 | 3 7/8 | 2 3/4 | 5/8 | 4 | 1/2 | 2 1/2 | – | |
| 1 | 4 1/4 | 3 1/8 | 5/8 | 4 | 1/2 | 2 1/2 | 3 | |
| 1 1/4 | 4 5/8 | 3 1/2 | 5/8 | 4 | 1/2 | 2 3/4 | 3 1/4 | |
| 1 1/2 | 5 | 3 7/8 | 5/8 | 4 | 1/2 | 2 3/4 | 3 1/4 | |
| 2 | 6 | 4 3/4 | 3/4 | 4 | 5/8 | 3 1/4 | 3 3/4 | |
| 2 1/2 | 7 | 5 1/2 | 3/4 | 4 | 5/8 | 3 1/2 | 4 | |
| 3 | 7 1/2 | 6 | 3/4 | 4 | 5/8 | 3 1/2 | 4 | |
| 3 1/2 | 8 1/2 | 7 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 4 | 9 | 7 1/2 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 5 | 10 | 8 1/2 | 7/8 | 8 | 3/4 | 3 3/4 | 4 1/4 | |
| 6 | 11 | 9 1/2 | 7/8 | 8 | 3/4 | 4 | 4 1/2 | |
| 8 | 13 1/2 | 11 3/4 | 7/8 | 8 | 3/4 | 4 1/4 | 4 3/4 | |
| 10 | 16 | 14 3/4 | 1 | 12 | 7/8 | 4 1/2 | 5 | |
| 12 | 19 | 17 | 1 | 12 | 7/8 | 4 3/4 | 5 1/4 | |
| 14 | 21 | 18 3/4 | 1 1/8 | 12 | 1 | 5 1/4 | 5 3/4 | |
| 16 | 23 1/2 | 21 1/4 | 1 1/8 | 16 | 1 | 5 1/4 | 5 3/4 | |
| 18 | 25 | 22 3/4 | 1 1/4 | 16 | 1 1/8 | 5 3/4 | 6 1/4 | |
| 20 | 27 1/2 | 25 | 1 1/4 | 20 | 1 1/8 | 6 1/4 | 6 3/4 | |
| 24 | 32 | 29 1/2 | 1 1/4 | 20 | 1 1/4 | 6 3/4 | 7 1/4 | |
| Class 300 Flanges ASME B16.5 | Length of Stud Bolts | |||||||
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 3 3/4 | 2 5/8 | 5/8 | 4 | 1/2 | 2 1/2 | 3 | |
| 3/4 | 4 5/8 | 3 1/4 | 3/4 | 4 | 5/8 | 3 | 3 1/2 | |
| 1 | 4 7/8 | 3 1/2 | 3/4 | 4 | 5/8 | 3 | 3 1/2 | |
| 1 1/4 | 5 1/4 | 3 7/8 | 3/4 | 4 | 5/8 | 3 1/4 | 3 3/4 | |
| 1 1/2 | 6 1/8 | 4 1/2 | 7/8 | 4 | 3/4 | 3 1/2 | 4 | |
| 2 | 6 1/2 | 5 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 2 1/2 | 7 1/2 | 5 7/8 | 7/8 | 8 | 3/4 | 4 | 4 1/2 | |
| 3 | 8 1/4 | 6 5/8 | 7/8 | 8 | 3/4 | 4 1/4 | 4 3/4 | |
| 3 1/2 | 9 | 7 1/4 | 7/8 | 8 | 3/4 | 4 1/4 | 5 | |
| 4 | 10 | 7 7/8 | 7/8 | 8 | 3/4 | 4 1/2 | 5 | |
| 5 | 11 | 9 1/4 | 7/8 | 8 | 3/4 | 4 3/4 | 5 1/4 | |
| 6 | 12 1/2 | 10 5/8 | 7/8 | 12 | 3/4 | 4 3/4 | 5 1/2 | |
| 8 | 15 | 13 | 1 | 12 | 7/8 | 5 1/2 | 6 | |
| 10 | 17 1/2 | 15 1/4 | 1 1/8 | 16 | 1 | 6 1/4 | 6 3/4 | |
| 12 | 20 1/2 | 17 3/4 | 1 1/4 | 16 | 1 1/8 | 6 3/4 | 7 1/4 | |
| 14 | 23 | 20 1/4 | 1 1/4 | 20 | 1 1/8 | 7 | 7 1/2 | |
| 16 | 25 1/2 | 22 1/2 | 1 3/8 | 20 | 1 1/4 | 7 1/2 | 8 | |
| 18 | 28 | 24 3/4 | 1 3/8 | 24 | 1 1/4 | 7 3/4 | 8 1/4 | |
| 20 | 30 1/2 | 27 | 1 3/8 | 24 | 1 1/4 | 8 | 8 3/4 | |
| 24 | 36 | 32 | 1 5/8 | 24 | 1 1/2 | 9 | 10 | |
| Screw Diameter | Typical Metric Sizes | Available Head Styles |
|---|---|---|
| Small | M3–M5 | Pan / Flat / Button |
| Medium | M6–M10 | Hex / Socket / Pan / Flat |
| Large | M12–M16 | Socket / Hex / Customized |
| Heavy | M18 and above | Customized / Industrial |
| Hexagon Bolt / Set Screws | Stud Bolt | Hexagon Nuts | Socket Cap screws |
|---|---|---|---|
| DIN 931 | BS4882 | DIN 934 | DIN 912 |
| DIN 933 | DIN 976 | BS 1768 | DIN 6912 |
| BS 1768 | BS 1769 | DIN 7984 | |
| UNI 5731 | BS 1083 | ANSI B18.3 | |
| UNI 5739 | BS 3692 | ISO 4762 | |
| ISO 4014 | ISO 4032 | UNI 5931 | |
| ISO 4017 | ISO 4033 | BS 2470 | |
| BS 1769 | ANSI B18.2.2 | BS 4168 | |
| BS 3692 | |||
| ANSI B18.2.1 | |||
| Socket & Slotted Set Screws | Socket & Slotted Countersunk Screws | Studs | Washers |
| DIN 913 | DIN 963 | DIN 938 | DIN 125 |
| DIN 914 | DIN 7991 | DIN 939 | DIN 9021 |
| DIN 915 | BS 4168 | DIN 2510 | BS 4320 |
| DIN 916 | BS 1981 | BS 4439 | BS 3410 |
| DIN 551 | BS 483 | BS 2693 | |
| DIN 553 | BS 2470 | Spring Washers | |
| DIN 438 | DIN 127 | ||
| BS 4168 | BS 4464 | ||
| BS 1802 |