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🔧 Screw it right, screw it fast — anchor like a pro!
This pack of 100 high-quality 1/4 x 3-3/4" hex head concrete screw anchors features a diamond tail for rapid drilling into masonry, block, or brick. Made from durable 1022A carbon steel with blue Ruspert coating, these screws resist hydrochloric acid corrosion for up to 1000 hours and are designed for heavy-duty, long-lasting anchoring. Ideal for professional and DIY projects, they come in a convenient, food-grade PP green plastic case and include a lifetime warranty for reliable performance.








| ASIN | B0C7MBW2ZF |
| Best Sellers Rank | #14,326 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #23 in Concrete Screws |
| Brand | Bobibbi |
| Color | Blue |
| Customer Reviews | 4.4 4.4 out of 5 stars (728) |
| Drive System | External Hex |
| Exterior Finish | Alloy Steel |
| Fastener Size | 1/4 x 3-3/4" |
| Fastener Type | Screw with External Hex Drive |
| Finish Types | Powder Coated |
| Head Type | Hex |
| Item Diameter | 0.25 inches |
| Item Dimensions | 6.22 x 4.65 x 2.83 inches |
| Manufacturer | Bobibbi |
| Material Type | Carbon Steel |
| Number Of Items | 100 |
| Outside Diameter | 0.25 inches |
| Part Number | 1/4 x 3-3/4" Hex |
| Screw Head Style | Hex |
| Screw Point Style | Hex |
| Set Name | Bobibbi 1/4 x 3-3/4" Hex Head Concrete Screw Anchor (100Pcs) |
| Set Screw Thread Type | UNC |
| Size Name | 1/4 x 3-3/4" |
| Thread Class | standard |
| Thread Coverage | Partially Threaded |
| Thread Size | 1/4 |
| Thread Style | Right Hand |
| Thread Type | Unc |
| Unit Count | 1 Count |
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