204 products
Alloy Steel Torx Flat Head Screws are precision-engineered for applications requiring a smooth, flush finish. Manufactured from premium materials and treated for enhanced durability, these fasteners provide exceptional structural integrity. Ideal for machinery, electronics, and construction, they ensure long-term reliability in demanding environments.
| Part Number | Thread Size | Length | Threading | Specifications Met | Thread Type | Head Diameter | Head Height | Material | Tensile Strength | Hardness |
|---|---|---|---|---|---|---|---|---|---|---|
| 0338FA00024 | 2-56 | 3/16" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.197" | 0.064" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00025 | 2-56 | 1/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.197" | 0.064" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00026 | 2-56 | 3/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.197" | 0.064" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00027 | 4-40 | 3/16" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.255" | 0.083" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00001 | 4-40 | 1/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.255" | 0.083" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00022 | 4-40 | 1/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.212" | 0.047" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00028 | 4-40 | 5/16" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.255" | 0.083" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00023 | 4-40 | 5/16" | Fully Threaded | ASME B18.6.3 | UNC | 0.212" | 0.067" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00002 | 4-40 | 3/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.255" | 0.083" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00024 | 4-40 | 3/8" | Fully Threaded | ASME B18.6.3 | UNC | 0.212" | 0.067" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00003 | 4-40 | 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.255" | 0.083" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00001 | 4-40 | 1/2" | Fully Threaded | ASME B18.6.3 | UNC | 0.212" | 0.067" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00029 | 4-40 | 5/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.255" | 0.083" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00004 | 4-40 | 5/8" | Fully Threaded | ASME B18.6.3 | UNC | 0.212" | 0.067" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0338FA00004 | 4-40 | 3/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.255" | 0.083" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00002 | 4-40 | 3/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.212" | 0.067" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0343FA00003 | 4-40 | 1" | Fully Threaded | ASME B18.6.3 | UNC | 0.212" | 0.067" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00030 | 5-40 | 1/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.281" | 0.09" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00005 | 5-40 | 3/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.281" | 0.09" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00006 | 5-40 | 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.281" | 0.09" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00007 | 6-32 | 1/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.307" | 0.097" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00025 | 6-32 | 1/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.262" | 0.059" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00031 | 6-32 | 5/16" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.307" | 0.097" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00026 | 6-32 | 5/16" | Fully Threaded | ASME B18.6.3 | UNC | 0.262" | 0.059" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00008 | 6-32 | 3/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.307" | 0.097" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00005 | 6-32 | 3/8" | Fully Threaded | ASME B18.6.3 | UNC | 0.262" | 0.083" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0338FA00009 | 6-32 | 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.307" | 0.097" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00006 | 6-32 | 1/2" | Fully Threaded | ASME B18.6.3 | UNC | 0.262" | 0.083" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00010 | 6-32 | 5/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.307" | 0.097" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00027 | 6-32 | 5/8" | Fully Threaded | ASME B18.6.3 | UNC | 0.262" | 0.083" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00011 | 6-32 | 3/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.307" | 0.097" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00007 | 6-32 | 3/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.262" | 0.083" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00032 | 6-32 | 1" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.307" | 0.097" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00008 | 6-32 | 1" | Fully Threaded | ASME B18.6.3 | UNC | 0.262" | 0.083" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0343FA00009 | 6-32 | 1 1/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.262" | 0.083" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0343FA00010 | 6-32 | 1 1/2" | Fully Threaded | ASME B18.6.3 | UNC | 0.262" | 0.083" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0343FA00028 | 8-32 | 1/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.312" | 0.07" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00033 | 8-32 | 5/16" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.359" | 0.112" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00012 | 8-32 | 3/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.359" | 0.112" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00029 | 8-32 | 3/8" | Fully Threaded | ASME B18.6.3 | UNC | 0.312" | 0.1" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00013 | 8-32 | 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.359" | 0.112" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00011 | 8-32 | 1/2" | Fully Threaded | ASME B18.6.3 | UNC | 0.312" | 0.1" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00034 | 8-32 | 5/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.359" | 0.112" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00030 | 8-32 | 5/8" | Fully Threaded | ASME B18.6.3 | UNC | 0.312" | 0.1" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00014 | 8-32 | 3/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.359" | 0.112" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00012 | 8-32 | 3/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.312" | 0.1" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00035 | 8-32 | 1" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.359" | 0.112" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00013 | 8-32 | 1" | Fully Threaded | ASME B18.6.3 | UNC | 0.312" | 0.1" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0343FA00014 | 8-32 | 1 1/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.312" | 0.1" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0343FA00015 | 8-32 | 1 1/2" | Fully Threaded | ASME B18.6.3 | UNC | 0.312" | 0.1" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0343FA00031 | 10-24 | 3/8" | Fully Threaded | ASME B18.6.3 | UNC | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00015 | 10-24 | 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.411" | 0.127" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00016 | 10-24 | 1/2" | Fully Threaded | ASME B18.6.3 | UNC | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00016 | 10-24 | 5/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.411" | 0.127" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00032 | 10-24 | 5/8" | Fully Threaded | ASME B18.6.3 | UNC | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00017 | 10-24 | 3/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.411" | 0.127" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00017 | 10-24 | 3/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00018 | 10-24 | 1" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.411" | 0.127" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00018 | 10-24 | 1" | Fully Threaded | ASME B18.6.3 | UNC | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0343FA00019 | 10-24 | 1 1/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0343FA00020 | 10-24 | 1 1/2" | Fully Threaded | ASME B18.6.3 | UNC | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0343FA00021 | 10-24 | 2 1/2" | Partially Threaded | ASME B18.6.3 | UNC | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0338FA00019 | 10-32 | 3/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNF | 0.411" | 0.127" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00033 | 10-32 | 3/8" | Fully Threaded | ASME B18.6.3 | UNF | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00020 | 10-32 | 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNF | 0.411" | 0.127" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00034 | 10-32 | 1/2" | Fully Threaded | ASME B18.6.3 | UNF | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00021 | 10-32 | 5/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNF | 0.411" | 0.127" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00035 | 10-32 | 5/8" | Fully Threaded | ASME B18.6.3 | UNF | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00022 | 10-32 | 3/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNF | 0.411" | 0.127" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00036 | 10-32 | 3/4" | Fully Threaded | ASME B18.6.3 | UNF | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00023 | 10-32 | 1" | Fully Threaded | ASME B18.3, ASTM F835 | UNF | 0.411" | 0.127" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00037 | 10-32 | 1" | Fully Threaded | ASME B18.6.3 | UNF | 0.362" | 0.116" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00036 | 1/4"-20 | 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00038 | 1/4"-20 | 1/2" | Fully Threaded | ASME B18.6.3 | UNC | 0.477" | 0.107" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00037 | 1/4"-20 | 5/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00039 | 1/4"-20 | 5/8" | Fully Threaded | ASME B18.6.3 | UNC | 0.477" | 0.153" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00047 | 1/4"-20 | 3/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00048 | 1/4"-20 | 3/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.477" | 0.153" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00048 | 1/4"-20 | 1" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00049 | 1/4"-20 | 1" | Fully Threaded | ASME B18.6.3 | UNC | 0.477" | 0.153" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00038 | 1/4"-20 | 1 1/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00050 | 1/4"-20 | 1 1/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.477" | 0.153" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00039 | 1/4"-20 | 1 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00051 | 1/4"-20 | 1 1/2" | Fully Threaded | ASME B18.6.3 | UNC | 0.477" | 0.153" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0343FA00052 | 1/4"-20 | 2" | Fully Threaded | ASME B18.6.3 | UNC | 0.477" | 0.153" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0338FA00049 | 1/4"-20 | 2" | Partially Threaded | ASME B18.3, ASTM F835 | UNC | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00053 | 1/4"-20 | 3" | Fully Threaded | ASME B18.6.3 | UNC | 0.477" | 0.153" | Zinc-Plated Steel | 60000 psi | Rockwell B70 |
| 0338FA00050 | 1/4"-28 | 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNF | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00051 | 1/4"-28 | 5/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNF | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00040 | 1/4"-28 | 3/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNF | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00041 | 1/4"-28 | 1" | Fully Threaded | ASME B18.3, ASTM F835 | UNF | 0.531" | 0.161" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00052 | 5/16"-18 | 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.656" | 0.198" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00042 | 5/16"-18 | 5/8" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.656" | 0.198" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0338FA00043 | 5/16"-18 | 3/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.656" | 0.198" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00040 | 5/16"-18 | 3/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.597" | 0.191" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00044 | 5/16"-18 | 1" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.656" | 0.198" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00041 | 5/16"-18 | 1" | Fully Threaded | ASME B18.6.3 | UNC | 0.597" | 0.191" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00053 | 5/16"-18 | 1 1/4" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.656" | 0.198" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
| 0343FA00042 | 5/16"-18 | 1 1/4" | Fully Threaded | ASME B18.6.3 | UNC | 0.597" | 0.191" | Zinc-Plated Steel | 60000 psi | Not Rated |
| 0338FA00045 | 5/16"-18 | 1 1/2" | Fully Threaded | ASME B18.3, ASTM F835 | UNC | 0.656" | 0.198" | Black-Oxide Alloy Steel | 140000 psi | Rockwell C39 |
