










🔧 Screw it right, screw it strong — the pro’s choice for flawless builds!
The Simpson Strong-Tie SD9212R500 is a box of 500 #9 x 2-1/2 inch galvanized carbon steel connector screws featuring a 1/4-inch hex head with integrated washer for reduced cam-out. Engineered with optimized heat treatment for enhanced strength and ductility, these screws are precision-designed to fit Simpson Strong-Tie connectors, making them ideal for both interior and exterior construction and home improvement projects.








| Material | Steel | 
| Head Style | Hex | 
| Exterior Finish | Galvanized | 
| Thread Size | 1 1/8 | 
| Point Style | Sharp | 
| Metal Type | Carbon Steel | 
| Brand | Simpson Strong-Tie | 
| Head Type | Hex Head | 
| Item Weight | 5.5 Pounds | 
| Thread Type | Unc | 
| Thread Coverage | Fully Threaded | 
| Fastener Type | Wood Screws | 
| Set Screw Thread Type | Unified National Coarse (UNC) | 
| Thread Style | Right Hand, Coarse | 
| Thread Class | 2B | 
| Fastener Size | #9 | 
| Size | 2-1/2 Inch | 
| Item Diameter | 0.37 Inches | 
| Compatible groove diameter | 0.16 Inches | 
| Number of Pieces | 500 | 
| UPC | 707392103509 | 
| Global Trade Identification Number | 00707392103509 | 
| Manufacturer | Simpson Strong-Tie | 
| Part Number | SD9212R500 | 
| Item Weight | 5.5 pounds | 
| Item model number | SD9212R500 | 
| Is Discontinued By Manufacturer | No | 
| Finish | Galvanized | 
| Shape | Helical With Cylindrical Shaft and Head | 
| Item Package Quantity | 1 | 
| Cutting Diameter | 0.37 Inches | 
| Measurement System | Imperial | 
| Batteries Included? | No | 
| Batteries Required? | No | 
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