










🔧 Secure your build with strength and style — don’t settle for less!
The Simpson Strong-Tie THD50400H is a pack of 20 heavy-duty, zinc-plated screw anchors designed for concrete and masonry. Featuring a 1/2 inch diameter and 4 inch length with hex washer heads, these anchors combine optimized thread design and heat-treated tips for maximum load transfer and durability. Easy to install with standard drill bits, they offer corrosion resistance and trusted performance for professional-grade construction projects.









| Fastener Type | Screw |
| Head Style | Flanged Hex |
| Finish Type | Zinc |
| Shape | Hexagonal |
| Item Diameter | 0.5 Inches |
| Thread Size | 1/2" |
| Number of Pieces | 20 |
| Compatible groove diameter | 0.75 Inches |
| Global Trade Identification Number | 00707392739616 |
| Number of Items | 20 |
| Manufacturer | Simpson Strong-Tie |
| UPC | 707392739616 |
| Part Number | THD50400H |
| Item Weight | 5.96 pounds |
| Item model number | THD50400H |
| Is Discontinued By Manufacturer | No |
| Style | Zinc Plated |
| Finish | Zinc |
| Item Package Quantity | 1 |
| Cutting Diameter | 0.5 Inches |
| Measurement System | Inch |
| Certification | ANSI |
| Usage | Concrete |
| Batteries Included? | No |
| Batteries Required? | No |
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2 days ago
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