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🔧 Thumb screws that mean business—secure, sleek, and ready to impress.
This set of four 1/4-20 x 3/4 inch thumb screws from Hard-to-Find Fastener features fully threaded low carbon steel construction with a corrosion-resistant zinc finish. Designed with a spade-style thumb head for easy manual tightening, these screws deliver reliable strength (350 MPa shear) and versatile use across home, automotive, and industrial applications.
| ASIN | B00L1KZF3K |
| Best Sellers Rank | #213,115 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #293 in Thumb Screws |
| Brand | Hard-to-Find Fastener |
| Color | zinc |
| Compatible Groove Diameter | 0.25 inches |
| Customer Reviews | 4.4 4.4 out of 5 stars (51) |
| Drive System | Thumb |
| Exterior Finish | Zinc |
| Fastener Size | 0.25 inches |
| Fastener Type | Thumb Screw |
| Finish Types | Zinc |
| Head Type | Thumb |
| Item Diameter | 0.25 inches |
| Item Dimensions | 2.5 x 1.44 x 1.25 inches |
| Item Weight | 9.07 g |
| Manufacturer | Hard-to-Find Fastener |
| Material Type | Steel |
| Maximum Shear Strength | 350 MPa |
| Metal Type | Low Carbon Steel,Zinc,Steel |
| Model | 014973323936 |
| Number Of Items | 4 |
| Number of Packs | 1 |
| Number of Pieces | 4 |
| Outside Diameter | 0.25 inches |
| Part Number | TSS-079-4 |
| Screw Head Style | Spade |
| Screw Point Style | Spade |
| Set Name | 4 |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Size Name | 1/4-20 x 3/4-Inch |
| Thread Class | Unified Coarse |
| Thread Coverage | Fully Threaded |
| Thread Size | 1/4"-20 |
| Thread Style | Right Hand |
| Thread Type | Unc |
| UPC | 014973323936 |
| Unit Count | 1 Count |
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