1213 products
High-Strength Grade 8 Steel Hex Head Screws are engineered for critical applications requiring maximum tensile strength and fatigue resistance. Manufactured from premium alloy steel and heat-treated to meet rigorous Grade 8 or Class 10.9/12.9 standards, these fasteners provide exceptional clamping force and structural integrity. Ideal for heavy machinery, automotive suspension, and high-stress industrial environments, they ensure long-term reliability where failure is not an option.
| Part Number | Thread Size | Length | Threading | Specifications Met | Thread Type | Head Diameter | Head Height | Material | Tensile Strength | Hardness |
|---|---|---|---|---|---|---|---|---|---|---|
| 0228FA00658 | 3/8"-16 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01040 | 3/8"-16 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00425 | 3/8"-16 | 1 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00660 | 3/8"-16 | 1 3/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01041 | 3/8"-16 | 1 3/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00436 | 3/8"-16 | 1 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01042 | 3/8"-16 | 1 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00465 | 3/8"-16 | 1 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00661 | 3/8"-16 | 1 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00140 | 3/8"-16 | 1 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00663 | 3/8"-16 | 1 5/8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00499 | 3/8"-16 | 1 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01043 | 3/8"-16 | 1 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00662 | 3/8"-16 | 1 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00141 | 3/8"-16 | 1 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01044 | 3/8"-16 | 2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00466 | 3/8"-16 | 2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00664 | 3/8"-16 | 2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00142 | 3/8"-16 | 2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00453 | 3/8"-16 | 2 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01045 | 3/8"-16 | 2 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00665 | 3/8"-16 | 2 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00143 | 3/8"-16 | 2 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00811 | 3/8"-16 | 2 3/8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00902 | 3/8"-16 | 2 3/8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00463 | 3/8"-16 | 2 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01046 | 3/8"-16 | 2 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00468 | 3/8"-16 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00666 | 3/8"-16 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00144 | 3/8"-16 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00667 | 3/8"-16 | 2 5/8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01047 | 3/8"-16 | 2 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00668 | 3/8"-16 | 2 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00145 | 3/8"-16 | 2 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01048 | 3/8"-16 | 3" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00469 | 3/8"-16 | 3" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00669 | 3/8"-16 | 3" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00146 | 3/8"-16 | 3" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00487 | 3/8"-16 | 3 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00670 | 3/8"-16 | 3 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00147 | 3/8"-16 | 3 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01050 | 3/8"-16 | 3 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00470 | 3/8"-16 | 3 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00671 | 3/8"-16 | 3 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00148 | 3/8"-16 | 3 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00672 | 3/8"-16 | 3 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00149 | 3/8"-16 | 3 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00494 | 3/8"-16 | 4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01051 | 3/8"-16 | 4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00472 | 3/8"-16 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00673 | 3/8"-16 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00150 | 3/8"-16 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00674 | 3/8"-16 | 4 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00160 | 3/8"-16 | 4 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01052 | 3/8"-16 | 4 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00473 | 3/8"-16 | 4 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00675 | 3/8"-16 | 4 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00151 | 3/8"-16 | 4 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00676 | 3/8"-16 | 4 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00152 | 3/8"-16 | 4 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01053 | 3/8"-16 | 5" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00475 | 3/8"-16 | 5" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00677 | 3/8"-16 | 5" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00153 | 3/8"-16 | 5" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00154 | 3/8"-16 | 5 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01054 | 3/8"-16 | 5 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00478 | 3/8"-16 | 5 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00678 | 3/8"-16 | 5 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00155 | 3/8"-16 | 5 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00156 | 3/8"-16 | 5 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01055 | 3/8"-16 | 6" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00479 | 3/8"-16 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00679 | 3/8"-16 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00157 | 3/8"-16 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00680 | 3/8"-16 | 6 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00158 | 3/8"-16 | 6 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00681 | 3/8"-16 | 7" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00159 | 3/8"-16 | 7" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00836 | 3/8"-16 | 7 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00683 | 3/8"-16 | 8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00161 | 3/8"-16 | 8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00162 | 3/8"-16 | 8 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00163 | 3/8"-16 | 9" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00164 | 3/8"-16 | 10" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00165 | 3/8"-16 | 12" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00840 | 3/8"-16 | 13" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01059 | 3/8"-24 | 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01063 | 3/8"-24 | 5/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00682 | 3/8"-24 | 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01060 | 3/8"-24 | 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01064 | 3/8"-24 | 7/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00684 | 3/8"-24 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00504 | 3/8"-24 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01061 | 3/8"-24 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01083 | 3/8"-24 | 1 1/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00685 | 3/8"-24 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01062 | 3/8"-24 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01084 | 3/8"-24 | 1 3/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01056 | 3/8"-24 | 1 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00686 | 3/8"-24 | 1 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
