| 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: A Benchmark of Superior Quality and Unyielding 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 |
FOR MORE EXCEPTIONAL PRODUCTS, PLEASE CLICK HERE TO EXPLORE
Established in 2004, Hangzhou Jiangxin Industry Co., Ltd. proudly positions itself as a beacon of excellence within the fastener manufacturing industry. Situated in the vibrant heart of Hangzhou, China, our esteemed company brings forth nearly two decades of profound expertise. Our expansive and diverse portfolio spans both imperial and metric fasteners, adhering to the rigorous standards of DIN, ANSI, ASME, ISO, JIS, and BSW. Additionally, we specialize in the creation of CUSTOM fasteners, meticulously crafted to meet unique specifications and demands. Our steadfast commitment to uncompromising quality has garnered us a prestigious global clientele, with exports reaching Europe, North America, and beyond. We empower countless suppliers and manufacturers to expand their market potential with our superior products.
1. Bolts: Our comprehensive array includes hex head bolts, hex socket bolts, carriage bolts, flange bolts, and more, each engineered for optimal performance across a multitude of 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 meticulously curated screw collection promises unwavering reliability and precision.
3. Nuts: Discover our extensive selection of nuts, featuring hex nuts, k-nuts/k-lock nuts, nylon inserted nuts, stamped metal self-locking nuts, hex flange nuts, cap nuts, rivet nuts, and many more options beyond.
4. Non-standard fasteners: We offer specialized, tailor-made solutions with our semi-hollow rivets, step rivets, and various other custom fasteners to precisely meet your distinct requirements.
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