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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0228FA00095 | 1/4"-20 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00096 | 1/4"-20 | 6 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00034 | 1/4"-20 | 7" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00035 | 1/4"-20 | 7 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00036 | 1/4"-20 | 8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00037 | 1/4"-20 | 9" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00038 | 1/4"-20 | 10" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00039 | 1/4"-20 | 12" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00861 | 1/4"-28 | 3/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00626 | 1/4"-28 | 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00994 | 1/4"-28 | 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00975 | 1/4"-28 | 5/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00995 | 1/4"-28 | 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00997 | 1/4"-28 | 7/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00627 | 1/4"-28 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00996 | 1/4"-28 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01082 | 1/4"-28 | 1 1/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01004 | 1/4"-28 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00628 | 1/4"-28 | 1 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00097 | 1/4"-28 | 1 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00004 | 1/4"-28 | 1 3/8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00998 | 1/4"-28 | 1 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00629 | 1/4"-28 | 1 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00098 | 1/4"-28 | 1 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00630 | 1/4"-28 | 1 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00099 | 1/4"-28 | 1 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00999 | 1/4"-28 | 2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00631 | 1/4"-28 | 2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00100 | 1/4"-28 | 2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00104 | 1/4"-28 | 2 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01000 | 1/4"-28 | 2 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00632 | 1/4"-28 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00101 | 1/4"-28 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00105 | 1/4"-28 | 2 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01001 | 1/4"-28 | 3" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00633 | 1/4"-28 | 3" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00102 | 1/4"-28 | 3" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00106 | 1/4"-28 | 3 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01002 | 1/4"-28 | 3 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00107 | 1/4"-28 | 3 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00108 | 1/4"-28 | 3 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01003 | 1/4"-28 | 4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00634 | 1/4"-28 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00103 | 1/4"-28 | 4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00109 | 1/4"-28 | 4 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00040 | 1/4"-28 | 5" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00041 | 1/4"-28 | 5 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00042 | 1/4"-28 | 6" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00043 | 1/4"-28 | 6 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00044 | 1/4"-28 | 7" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00045 | 1/4"-28 | 7 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00046 | 1/4"-28 | 8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNF | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00816 | 1/4"-32 | 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNEF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00817 | 1/4"-32 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNEF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00818 | 1/4"-32 | 1 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNEF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00819 | 1/4"-32 | 1 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNEF | - | 5/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00901 | 5/16"-18 | 3/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00426 | 5/16"-18 | 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00803 | 5/16"-18 | 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01005 | 5/16"-18 | 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00804 | 5/16"-18 | 5/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01006 | 5/16"-18 | 5/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00427 | 5/16"-18 | 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00635 | 5/16"-18 | 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01007 | 5/16"-18 | 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00805 | 5/16"-18 | 7/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01008 | 5/16"-18 | 7/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00428 | 5/16"-18 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00636 | 5/16"-18 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01009 | 5/16"-18 | 1" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00637 | 5/16"-18 | 1 1/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00835 | 5/16"-18 | 1 1/8" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00638 | 5/16"-18 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00417 | 5/16"-18 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01010 | 5/16"-18 | 1 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00110 | 5/16"-18 | 1 3/8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00423 | 5/16"-18 | 1 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01011 | 5/16"-18 | 1 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00430 | 5/16"-18 | 1 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00639 | 5/16"-18 | 1 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00111 | 5/16"-18 | 1 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00112 | 5/16"-18 | 1 5/8" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01012 | 5/16"-18 | 1 3/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00640 | 5/16"-18 | 1 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00113 | 5/16"-18 | 1 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00441 | 5/16"-18 | 2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01013 | 5/16"-18 | 2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00431 | 5/16"-18 | 2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00641 | 5/16"-18 | 2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00114 | 5/16"-18 | 2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00918 | 5/16"-18 | 2 1/4" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00642 | 5/16"-18 | 2 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00115 | 5/16"-18 | 2 1/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00456 | 5/16"-18 | 2 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA01015 | 5/16"-18 | 2 1/2" | Fully Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00432 | 5/16"-18 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00643 | 5/16"-18 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00116 | 5/16"-18 | 2 1/2" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00644 | 5/16"-18 | 2 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 13/64" | Steel | 150000 psi | Rockwell C33 |
| 0228FA00119 | 5/16"-18 | 2 3/4" | Partially Threaded | ASME B18.2.1, SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
