23 products
High-Strength Steel Hex Head Screws with Phillips Drive 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0231FA00001 | 4-40 | 5/16" | Partially Threaded | NAS1801-04-5 | UNC | - | 1/16" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00002 | 4-40 | 1/2" | Partially Threaded | NAS1801-04-8 | UNC | - | 1/16" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00003 | 4-40 | 5/8" | Partially Threaded | NAS1801-04-10 | UNC | - | 1/16" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00004 | 4-40 | 3/4" | Partially Threaded | NAS1801-04-12 | UNC | - | 1/16" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00005 | 4-40 | 1" | Partially Threaded | NAS1801-04-16 | UNC | - | 1/16" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00006 | 6-32 | 3/8" | Partially Threaded | NAS1801-06-6 | UNC | - | 3/32" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00007 | 6-32 | 1/2" | Partially Threaded | NAS1801-06-8 | UNC | - | 3/32" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00008 | 6-32 | 3/4" | Partially Threaded | NAS1801-06-12 | UNC | - | 3/32" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00009 | 8-32 | 3/8" | Partially Threaded | NAS1801-08-6 | UNC | - | 3/32" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00010 | 8-32 | 1/2" | Partially Threaded | NAS1801-08-8 | UNC | - | 3/32" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00011 | 8-32 | 5/8" | Partially Threaded | NAS1801-08-10 | UNC | - | 3/32" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00012 | 8-32 | 3/4" | Partially Threaded | NAS1801-08-12 | UNC | - | 3/32" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00013 | 8-32 | 1" | Partially Threaded | NAS1801-08-16 | UNC | - | 3/32" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00014 | 10-32 | 3/8" | Partially Threaded | NAS1801-3-6 | UNF | - | 1/8" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00015 | 10-32 | 1/2" | Partially Threaded | NAS1801-3-8 | UNF | - | 1/8" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00016 | 10-32 | 5/8" | Partially Threaded | NAS1801-3-10 | UNF | - | 1/8" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00017 | 10-32 | 3/4" | Partially Threaded | NAS1801-3-12 | UNF | - | 1/8" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00018 | 10-32 | 1" | Partially Threaded | NAS1801-3-16 | UNF | - | 1/8" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00019 | 10-32 | 1 1/2" | Partially Threaded | NAS1801-3-24 | UNF | - | 1/8" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00020 | 1/4"-28 | 5/8" | Partially Threaded | NAS1801-4-10 | UNF | - | 1/4" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00021 | 1/4"-28 | 3/4" | Partially Threaded | NAS1801-4-12 | UNF | - | 1/4" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00022 | 1/4"-28 | 1" | Partially Threaded | NAS1801-4-16 | UNF | - | 1/4" | Steel | 160000 psi | Rockwell C34 |
| 0231FA00023 | 1/4"-28 | 1 1/4" | Partially Threaded | NAS1801-4-20 | UNF | - | 1/4" | Steel | 160000 psi | Rockwell C34 |
