| Material: | Carbon Steel |
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| Type: | Hexagon Head |
| Connection: | Common Bolt |
| Samples: |
Standard Bolts
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier | Hex Bolt/Hex Head Bolt | |
| Standard | ANSI/ASME B18.2.1, DIN931, DIN933, DIN933(L39.7-40.3), DIN933, DIN960, DIN961, or customized |
| Diameter | M2-M64 or customized |
| Length | 6 to 250 mm, 1/4 to 10 inch, or customized |
| Material | 1.Carbon steel: C1006, C1008, C1010, C1018A, C1022, C1035K, C1045K, etc |
| 2.Stainless steel: SS301, SS302, SS303, SS304, SS316, SS410, SS416, SS420, SS430, etc | |
| 3.Steel: C15, C35, C45(K1045), S45C, C46(K1046), C20, etc | |
| 4.Copper: Brass(C3602, C3604, H59, H62, H65, H68, H70, H90, etc. Phosphor bronze, silicon bronze, red copper, beryllium copper copper, etc. | |
| 5. Iron: 12L13,12L14,12L15 etc. | |
| 6. Aluminium: AL6061, AL6063,7075etc. | |
| 7. Titanium or titanium alloy: TAD, TA1-TA8, TB2, TC1-TC10 etc. | |
| 8. Silver or silver alloy:AgCu3,agCu7.5,AgSn3-5,AgPb0.4-0.7,AgPd3-5,AgNi10etc. | |
| 9. Alloy steel: SCM435,10B21,40Cr etc. | |
| Grade | 4.8/8.8/10.9; A2-70/A4-70;US 5/8 |
| Thread | M/UNC/UNF |
| Finish | Plain/Black Oxide/Blue-White Zinc/Zinc Plated(Clear/Blue/Yellow/Black)/Nickel/Chrome/Dacromet/Zinc Nickel |
| Packing | Bulk in cartons + wood pallets or according to customer special demand |
| Application | Steel structure/Building/Mechanical machine/Automobile/Home decorating |
| Trade Term | FOB/CIF/CFR/EXW/CIP |
| Payment | T/T, D/A , D/P ,West union,Paypal.etc |
| Lead Time | 3~15 days after the order is confirmed, it will be based on the detailed order quantity |
| Market | Europe / North America / Southeast Asia / Middle East / Australia, etc |
| Warranty | We confirm our goods will satisfy your request of 100% |
| After Sales Service | We will follow up on the goods for every customer and help solve problems after sales |
ASME B18.2.1 Hex Bolts
| Nominal Size or Basic product Diameter (Inches) | Full-Size Body Diameter, E | Width Across Flats, F | Width Across Corners, G | Head Height, H | Radius of Fillet, R | Thread Length for Bolt Lengths, LT | ||||||||
| 6 inches & Shorter | Over 6 inches | |||||||||||||
| Max. | Min. | Basic | Max. | Min. | Max. | Min. | Basic | Max. | Min. | Max. | Min. | Nom. | Nom. | |
| 1/4" | 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 |
| 0.25 | ||||||||||||||
| 5/16" | 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 |
| 0.3125 | ||||||||||||||
| 3/8" | 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 | 1.25 |
| 0.375 | ||||||||||||||
| 7/16" | 0.452 | 0.421 | 5/8" | 0.625 | 0.603 | 0.722 | 0.687 | 19/64" | 0.316 | 0.272 | 0.03 | 0.01 | 1.125 | 1.375 |
| 0.4375 | ||||||||||||||
| 1/2" | 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 |
| 0.5 | ||||||||||||||
| 5/8" | 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 |
| 0.625 | ||||||||||||||
| 3/4" | 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 |
| 0.75 | ||||||||||||||
| 7/8" | 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 | 2.25 |
| 0.875 | ||||||||||||||
| 1" | 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 | ||||||||||||||
| 1-1/8" | 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 |
| 1.125 | ||||||||||||||
| 1-1/4" | 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 |
| 1.25 | ||||||||||||||
| 1-3/8" | 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 | 3.25 |
| 1.375 | ||||||||||||||
| 1-1/2" | 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 | ||||||||||||||
| 1-5/8" | 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 |
| 1.625 | ||||||||||||||
| 1-3/4" | 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 |
| 1.75 | ||||||||||||||
| 1-7/8" | 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 | 4.25 |
| 1.875 | ||||||||||||||
| 2" | 2.039 | 1.964 | 3" | 3 | 2.9 | 3.464 | 3.306 | 1-11/32" | 1.388 | 1.175 | 0.12 | 0.04 | 4.25 | 4.5 |
| 2 | ||||||||||||||
| 2 1/4" | 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 |
| 2.25 | ||||||||||||||
| 2 1/2" | 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 |
| 2.5 | ||||||||||||||
| 2-3/4" | 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 |
| 2.75 | ||||||||||||||
| 3" | 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 | ||||||||||||||
| 3-1/4" | 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 |
| 3.25 | ||||||||||||||
| 3-1/2" | 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 |
| 3.5 | ||||||||||||||
| 3-3/4" | 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 |
| 3.75 | ||||||||||||||
| 4" | 4.111 | 3.975 | 6" | 6 | 5.8 | 6.928 | 6.612 | 2-11/16" | 2.764 | 2.424 | 0.19 | 0.06 | 8.25 | 8.5 |
| 4 | ||||||||||||||
Suppliers with verified business licenses
Audited Supplier 
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