43 products
Left-Hand Threaded High-Strength 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0233FA00001 | 1/4"-20 | 3/4" | Fully Threaded | SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00002 | 1/4"-20 | 1" | Fully Threaded | SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00003 | 1/4"-20 | 1 1/4" | Fully Threaded | SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00004 | 1/4"-20 | 1 1/2" | Fully Threaded | SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00005 | 1/4"-20 | 2" | Fully Threaded | SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00006 | 1/4"-20 | 2 1/2" | Fully Threaded | SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00007 | 1/4"-20 | 3" | Fully Threaded | SAE J429 | UNC | - | 11/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00008 | 5/16"-18 | 3/4" | Fully Threaded | SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00009 | 5/16"-18 | 1" | Fully Threaded | SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00010 | 5/16"-18 | 1 1/2" | Fully Threaded | SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00011 | 5/16"-18 | 2" | Fully Threaded | SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00012 | 5/16"-18 | 2 1/2" | Fully Threaded | SAE J429 | UNC | - | 7/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00013 | 3/8"-16 | 1" | Fully Threaded | SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00014 | 3/8"-16 | 1 1/4" | Fully Threaded | SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00015 | 3/8"-16 | 1 1/2" | Fully Threaded | SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00016 | 3/8"-16 | 1 3/4" | Fully Threaded | SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00017 | 3/8"-16 | 2" | Fully Threaded | SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00018 | 3/8"-16 | 2 1/2" | Fully Threaded | SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00019 | 3/8"-16 | 3" | Fully Threaded | SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00020 | 3/8"-16 | 4" | Fully Threaded | SAE J429 | UNC | - | 1/4" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00041 | 3/8"-24 | 1" | Fully Threaded | SAE J429 | UNF | - | 15/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00042 | 7/16"-14 | 1 1/2" | Fully Threaded | SAE J429 | UNC | - | 9/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00021 | 1/2"-13 | 1 1/2" | Fully Threaded | SAE J429 | UNC | - | 11/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00022 | 1/2"-13 | 1 3/4" | Fully Threaded | SAE J429 | UNC | - | 11/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00023 | 1/2"-13 | 2" | Fully Threaded | SAE J429 | UNC | - | 11/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00024 | 1/2"-13 | 2 1/4" | Fully Threaded | SAE J429 | UNC | - | 11/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00025 | 1/2"-13 | 2 1/2" | Fully Threaded | SAE J429 | UNC | - | 11/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00026 | 1/2"-13 | 3" | Fully Threaded | SAE J429 | UNC | - | 11/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00027 | 1/2"-13 | 3 1/2" | Fully Threaded | SAE J429 | UNC | - | 11/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00028 | 1/2"-13 | 4" | Fully Threaded | SAE J429 | UNC | - | 11/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00029 | 1/2"-13 | 4 1/2" | Fully Threaded | SAE J429 | UNC | - | 11/32" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00043 | 1/2"-20 | 1 1/2" | Fully Threaded | SAE J429 | UNF | - | 5/16" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00030 | 5/8"-11 | 1 1/2" | Fully Threaded | SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00031 | 5/8"-11 | 1 3/4" | Fully Threaded | SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00032 | 5/8"-11 | 2" | Fully Threaded | SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00033 | 5/8"-11 | 2 1/2" | Fully Threaded | SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00034 | 5/8"-11 | 3" | Fully Threaded | SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00035 | 5/8"-11 | 4" | Fully Threaded | SAE J429 | UNC | - | 27/64" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00036 | 3/4"-10 | 1 1/2" | Fully Threaded | SAE J429 | UNC | - | 1/2" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00037 | 3/4"-10 | 2" | Fully Threaded | SAE J429 | UNC | - | 1/2" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00038 | 3/4"-10 | 2 1/2" | Fully Threaded | SAE J429 | UNC | - | 1/2" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00039 | 3/4"-10 | 3" | Fully Threaded | SAE J429 | UNC | - | 1/2" | Steel | 150000 psi | Rockwell C33 |
| 0233FA00040 | 3/4"-10 | 4" | Fully Threaded | SAE J429 | UNC | - | 1/2" | Steel | 150000 psi | Rockwell C33 |
