78 products
Extreme-Strength Grade 9 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0242FA00001 | 1/4"-20 | 1/2" | Fully Threaded | - | UNC | - | 3/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00002 | 1/4"-20 | 3/4" | Fully Threaded | - | UNC | - | 3/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00003 | 1/4"-20 | 1" | Fully Threaded | - | UNC | - | 3/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00004 | 1/4"-20 | 1 1/4" | Partially Threaded | - | UNC | - | 3/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00005 | 1/4"-20 | 1 1/2" | Partially Threaded | - | UNC | - | 3/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00006 | 1/4"-20 | 2" | Partially Threaded | - | UNC | - | 3/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00007 | 1/4"-20 | 2 1/2" | Partially Threaded | - | UNC | - | 3/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00008 | 1/4"-20 | 3" | Partially Threaded | - | UNC | - | 3/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00011 | 5/16"-18 | 1/2" | Fully Threaded | - | UNC | - | 15/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00009 | 5/16"-18 | 3/4" | Fully Threaded | - | UNC | - | 15/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00010 | 5/16"-18 | 1" | Fully Threaded | - | UNC | - | 15/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00012 | 5/16"-18 | 1 1/4" | Fully Threaded | - | UNC | - | 15/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00013 | 5/16"-18 | 1 1/2" | Partially Threaded | - | UNC | - | 15/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00014 | 5/16"-18 | 2" | Partially Threaded | - | UNC | - | 15/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00015 | 5/16"-18 | 2 1/2" | Partially Threaded | - | UNC | - | 15/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00016 | 5/16"-18 | 3" | Partially Threaded | - | UNC | - | 15/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00017 | 3/8"-16 | 3/4" | Fully Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00018 | 3/8"-16 | 1" | Fully Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00019 | 3/8"-16 | 1 1/4" | Fully Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00020 | 3/8"-16 | 1 1/2" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00021 | 3/8"-16 | 1 3/4" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00022 | 3/8"-16 | 2" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00023 | 3/8"-16 | 2 1/4" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00024 | 3/8"-16 | 2 1/2" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00025 | 3/8"-16 | 3" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00026 | 3/8"-16 | 3 1/2" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00027 | 3/8"-16 | 4" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00028 | 3/8"-16 | 4 1/2" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00029 | 3/8"-16 | 5" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00030 | 3/8"-16 | 6" | Partially Threaded | - | UNC | - | 9/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00031 | 7/16"-14 | 1 1/2" | Fully Threaded | - | UNC | - | 21/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00032 | 7/16"-14 | 2" | Partially Threaded | - | UNC | - | 21/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00033 | 7/16"-14 | 3" | Partially Threaded | - | UNC | - | 21/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00034 | 7/16"-14 | 4" | Partially Threaded | - | UNC | - | 21/64" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00035 | 1/2"-13 | 1" | Fully Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00036 | 1/2"-13 | 1 1/4" | Fully Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00037 | 1/2"-13 | 1 1/2" | Fully Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00038 | 1/2"-13 | 1 3/4" | Fully Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00039 | 1/2"-13 | 2" | Partially Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00040 | 1/2"-13 | 2 1/2" | Partially Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00041 | 1/2"-13 | 3" | Partially Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00042 | 1/2"-13 | 3 1/2" | Partially Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00043 | 1/2"-13 | 4" | Partially Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00044 | 1/2"-13 | 4 1/2" | Partially Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00045 | 1/2"-13 | 5" | Partially Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00046 | 1/2"-13 | 6" | Partially Threaded | - | UNC | - | 3/8" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00047 | 5/8"-11 | 1 1/2" | Fully Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00048 | 5/8"-11 | 1 3/4" | Fully Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00049 | 5/8"-11 | 2" | Fully Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00050 | 5/8"-11 | 2 1/4" | Partially Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00051 | 5/8"-11 | 2 1/2" | Partially Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00052 | 5/8"-11 | 2 3/4" | Partially Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00053 | 5/8"-11 | 3" | Partially Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00054 | 5/8"-11 | 3 1/2" | Partially Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00055 | 5/8"-11 | 4" | Partially Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00056 | 5/8"-11 | 4 1/2" | Partially Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00057 | 5/8"-11 | 5" | Partially Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00058 | 5/8"-11 | 6" | Partially Threaded | - | UNC | - | 15/32" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00059 | 3/4"-10 | 1 1/2" | Fully Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00060 | 3/4"-10 | 2" | Fully Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00061 | 3/4"-10 | 2 1/4" | Fully Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00062 | 3/4"-10 | 2 1/2" | Fully Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00063 | 3/4"-10 | 2 3/4" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00064 | 3/4"-10 | 3" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00065 | 3/4"-10 | 3 1/2" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00066 | 3/4"-10 | 4" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00067 | 3/4"-10 | 4 1/2" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00068 | 3/4"-10 | 5" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00069 | 3/4"-10 | 5 1/2" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00070 | 3/4"-10 | 6" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00071 | 3/4"-10 | 7" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00072 | 3/4"-10 | 8" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00073 | 3/4"-10 | 10" | Partially Threaded | - | UNC | - | 9/16" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00074 | 1"-8 | 2" | Fully Threaded | - | UNC | - | 3/4" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00075 | 1"-8 | 3" | Fully Threaded | - | UNC | - | 3/4" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00076 | 1"-8 | 4" | Partially Threaded | - | UNC | - | 3/4" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00077 | 1"-8 | 5" | Partially Threaded | - | UNC | - | 3/4" | Steel | 180000 psi | Rockwell C38 |
| 0242FA00078 | 1"-8 | 6" | Partially Threaded | - | UNC | - | 3/4" | Steel | 180000 psi | Rockwell C38 |
