ASTM A320 L7 Bolt
Grade L7 Stud Bolt, L7 Grade Allen Bolt, L7 Grade Hex Head Bolt, ASTM A320 L7 Hex Bolt, Grade L7 Eye Bolt.
L7 Bolts are among the products that fas10 is particularly well-known for producing, supplying, and exporting. The grade of ASTM A320, known as L7, is ideal for producing a wide variety of components, including Bolts. We manufacture a wide variety of ASTM A320 L7 Bolts out of this grade, and we provide them to a variety of businesses. Our customers are able to choose the ideal Bolts for their applications thanks to the fact that we provide both customized and non-customized alternatives.
The materials that go into the production of our Grade L7 Stud Bolts are of the very best quality. These high-quality Bolts have a number of great characteristics to offer, including a lightweight design, a smooth finish, a robust body, and many more. We provide a variety of various sorts of Bolts that are all made from the same material. In order to produce these Bolts, fas10 makes use of a variety of sophisticated equipment. According to national and international standards, we are creating ASTM A320 L7 Bolts of the best quality possible. Throughout the whole manufacturing process, our team subjected Bolts to testing and inspection. Before making the final delivery to the client, we do a systematic inspection of the L7 Grade Allen Bolt on several predefined parameters. We validate all the metrics and requirements by putting Bolts through a series of tests, during which we examine their durability, performance, quality, and flexibility.
About ASTM A320 L7 Bolt
ASTM A320 Grade L7 U Bolt, AISI Grade L7 Flange Head Bolt, ASTM A320 Grade L7 Hex Head Bolt, ASTM A320 L7 U Bolt, AISI Grade B8M Anchor Bolt.
The use of ASTM A320 L7 Bolts provides good support across all industrial applications. Our AISI Grade B8M Anchor Bolt provide resistance against corrosion, pitting corrosion, and crevice corrosion and they are also suited for use in environments containing chloride. Because of all of these features, this kind of Bolt is most appropriate for various industrial applications.
ASTM A320 L7 Bolt Specification
| Dimensions | ASME B18.2.1, B18.3 |
| Melt Origin | Korea, South America, Japan, East Europe, |
| Mandatory Requirements | Free from Mercury & Radioactive Contamination |
| Additional Certifications | PED 97/ 23/ EC Certified, Merkblatt AD 2000 W2 Certified |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Additional Requirements | NACE MR0103 / MR0175 / ISO 15156 Compliance |
| Threads Configuration | ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads |
Equivalent Grades ASTM A320 L7 Bolt
| ASTM | AISI |
| ASTM A320 GRADE L7 | 4140 |
Chemical Composition ASTM A320 L7 Bolt
| Element | Carbon | Manganese | Phosphorus, maximum | Sulfur, maximum | Silicon | Chromium | Nickel | Molybdenum |
| L7 (AISI 4140) | 0.38 - 0.48% | 0.75 - 1.00% | 0.035% | 0.040% | 0.15 - 0.35% | 0.80 - 1.10% | - | 0.15 - 0.25% |
Mechanical Properties ASTM A320 L7 Bolt
| Grade | Diameter,[mm] | Minimum Tempering Temperature | Tensile Strength, min, MPa | Yield Strength min, 0.2% offset MPa | Elongation in 4D min, % | Reduction of Area min % | Hardness max |
| L7 | M64 and under | 593 | 860 | 720 | 16 | 50 | 321 HBW or 35 HRC |
| over M64 to M100 | 593 | 795 | 655 | 16 | 50 | 321 HBW or 35 HRC | |
| over M100 to M180 | 593 | 690 | 515 | 18 | 50 | 321 HBW or 35 HRC |
Dimensions Of ASTM A320 L7 Bolt
ASTM A320 Grade L7 Bolts Dimensions Chart :
| Nominal Size or Basic Product Diameter | Full-Size Body Diameter, E | Width Across Flats, F | Width Across Corners, G | Head Height, H Basic | Radius of Fillet, R | Nominal Thread Length for Bolt Lengths, LT |
|||||||||
| inch | mm | Max | Min | Basic inch | Max | Min | Max | Min | Basic inch | Max | Min | Max | Min | 6 in. and Shoter | 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 |
| 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 | 1.25 |
| 7⁄16 | 0.4375 | 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 |
| 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 | 11⁄8 | 1.125 | 1.088 | 1.299 | 1.24 | 1⁄2 | 0.524 | 0.455 | 0.06 | 0.02 | 1.75 | 2 |
| 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 | 2.25 |
| 1 | 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 1⁄8 | 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 |
| 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 | 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 |
| 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 | 4.25 |
| 2 | 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 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 |
| 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 |
| 3 | 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 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 |
| 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 |
| 4 | 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 |
Different Types Of ASTM A320 L7 Bolt
Different Types Of Bolts:
ASTM A320 Grade L7 Hex Bolts
ASTM A320 Grade L7 Carriage Bolts
ASTM A320 Grade L7 Stud Bolts
ASTM A320 Grade L7 Hex Head Bolts
ASTM A320 Grade L7 Forged Hook Bolts
ASTM A320 Grade L7 Torx Bolts
ASTM A320 Grade L7 Countersunk Bolts
ASTM A320 Grade L7 Flange Head Bolts
ASTM A320 Grade L7 Allen Bolts
ASTM A320 Grade L7 12-Point Flange Bolts
ASTM A320 Grade L7 Eye Bolts
ASTM A320 Grade L7 Bolts
ASTM A320 Grade L7 U Bolts
ASTM A320 Grade L7 J Bolts
ASTM A320 Grade L7 Elevator Bolt
ASTM A320 Grade L7 Threaded Expansion Anchor Bolt
ASME SA 320 L7 High Performance Anchor Bolts
ASTM A320 Grade L7 Lag Bolts
Application of ASTM A320 L7 Bolt
Testing of ASTM A320 L7 Bolt
Packing Of ASTM A320 L7 Bolt
Destination Of ASTM A320 L7 Bolt
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