| Hex Bolt/Hex Head Bolt |
| Standard |
ANSI/ASME B18.2.1, or customized |
| Diameter |
1/4''-20, or customized |
| Length |
1-1/2'', or customized |
| Grade |
8 (40Cr) |
| Finish |
Plain/Black Oxide/Blue-White Zinc/Zinc Plated(Clear/Blue/Yellow/Black)/Nickel/Chrome/Dacromet/Zinc Nickel |
| Packing |
Cartons (26*26*14 cm) + Pallets (113*85 cm), or customized |
| Application |
Steel structure/Building/Mechanical machine/Automobile/Interior Design |
| 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: Unmatched Quality and Durability
| 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 |
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Established in 2004, Hangzhou Jiangxin Industry Co., Ltd. stands as a paragon of excellence in the fastener manufacturing industry. Nestled in the heart of Hangzhou, China, our company brings nearly two decades of expertise to the table. We take pride in our diverse portfolio that spans both imperial and metric fasteners, compliant with DIN, ANSI, ASME, ISO, JIS, and BSW standards. Beyond standard offerings, we also excel in crafting CUSTOM fasteners tailored to meet unique specifications. Our unwavering commitment to quality has earned us a global clientele, exporting to Europe, North America, and various other regions, and empowering countless suppliers and manufacturers to broaden their market horizons.
1. Bolts: Our range includes hex head bolts, hex socket bolts, carriage bolts, flange bolts, and more, designed to deliver exceptional performance in diverse applications.
2. Screws: From machine screws to self-drilling screws, set screws, 12.9 shoulder screws, hex head wood screws, and self-tapping screws, our screw collection guarantees reliability and precision.
3. Nuts: Explore our extensive variety of nuts, including hex nuts, k-nuts/k-lock nuts, nylon inserted nuts, stamped metal self-locking nuts, hex flange nuts, cap nuts, rivet nuts, and beyond.
4. Non-standard fasteners: We offer specialized solutions with our semi-hollow rivets, step rivets, and other custom fasteners to meet your specific needs.
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