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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0228FA00530 | 9/16"-12 | 3" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00250 | 9/16"-12 | 3 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00251 | 9/16"-12 | 3 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00531 | 9/16"-12 | 3 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00252 | 9/16"-12 | 3 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00253 | 9/16"-12 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00532 | 9/16"-12 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00254 | 9/16"-12 | 4 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00533 | 9/16"-12 | 4 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00255 | 9/16"-12 | 5" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00534 | 9/16"-12 | 5" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00256 | 9/16"-12 | 5 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00516 | 9/16"-12 | 5 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00535 | 9/16"-12 | 5 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00257 | 9/16"-12 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00536 | 9/16"-12 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00258 | 9/16"-12 | 6 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00259 | 9/16"-12 | 7" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00905 | 9/16"-12 | 7 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00266 | 9/16"-12 | 8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01127 | 9/16"-18 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01128 | 9/16"-18 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01129 | 9/16"-18 | 1 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00866 | 9/16"-18 | 1 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01130 | 9/16"-18 | 2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00867 | 9/16"-18 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00260 | 9/16"-18 | 3" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00264 | 9/16"-18 | 3 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00868 | 9/16"-18 | 3 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00261 | 9/16"-18 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00265 | 9/16"-18 | 4 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00262 | 9/16"-18 | 5" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00263 | 9/16"-18 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00869 | 9/16"-18 | 6 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00870 | 9/16"-18 | 7" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 23/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01131 | 5/8"-11 | 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00537 | 5/8"-11 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00756 | 5/8"-11 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01132 | 5/8"-11 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00538 | 5/8"-11 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00815 | 5/8"-11 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01133 | 5/8"-11 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00539 | 5/8"-11 | 1 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00758 | 5/8"-11 | 1 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01134 | 5/8"-11 | 1 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00757 | 5/8"-11 | 1 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01135 | 5/8"-11 | 1 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00759 | 5/8"-11 | 2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01136 | 5/8"-11 | 2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00540 | 5/8"-11 | 2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01140 | 5/8"-11 | 2 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00760 | 5/8"-11 | 2 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00267 | 5/8"-11 | 2 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01137 | 5/8"-11 | 2 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00541 | 5/8"-11 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00761 | 5/8"-11 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00268 | 5/8"-11 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01138 | 5/8"-11 | 2 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00762 | 5/8"-11 | 2 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00269 | 5/8"-11 | 2 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01139 | 5/8"-11 | 3" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00542 | 5/8"-11 | 3" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00763 | 5/8"-11 | 3" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00270 | 5/8"-11 | 3" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00764 | 5/8"-11 | 3 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00274 | 5/8"-11 | 3 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01141 | 5/8"-11 | 3 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00543 | 5/8"-11 | 3 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00765 | 5/8"-11 | 3 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00271 | 5/8"-11 | 3 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00272 | 5/8"-11 | 3 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01142 | 5/8"-11 | 4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00544 | 5/8"-11 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00766 | 5/8"-11 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00273 | 5/8"-11 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00277 | 5/8"-11 | 4 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01143 | 5/8"-11 | 4 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00545 | 5/8"-11 | 4 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00767 | 5/8"-11 | 4 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00275 | 5/8"-11 | 4 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00300 | 5/8"-11 | 4 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00491 | 5/8"-11 | 4 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01144 | 5/8"-11 | 5" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00546 | 5/8"-11 | 5" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00768 | 5/8"-11 | 5" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00276 | 5/8"-11 | 5" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00837 | 5/8"-11 | 5 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01145 | 5/8"-11 | 5 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00547 | 5/8"-11 | 5 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00769 | 5/8"-11 | 5 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00278 | 5/8"-11 | 5 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00838 | 5/8"-11 | 5 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01146 | 5/8"-11 | 6" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00548 | 5/8"-11 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00770 | 5/8"-11 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00279 | 5/8"-11 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00549 | 5/8"-11 | 6 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00280 | 5/8"-11 | 6 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00550 | 5/8"-11 | 7" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00771 | 5/8"-11 | 7" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 25/64" | Steel | 150000 psi | Rockwell C33 |
