












🔩 Secure your build with strength that lasts — don’t settle for less!
The Simpson Strong-Tie THDB62400H is a 5/8" x 4" heavy-duty screw anchor designed for concrete and masonry applications. Featuring an optimized thread design for efficient load transfer and a zinc-plated finish for corrosion resistance, it installs easily with standard drill bits. Packaged in sets of 10, these anchors deliver reliable, professional-grade performance trusted by industry leaders.









| Material | Carbon Steel |
| Head Style | Hexagonal |
| Exterior Finish | Zinc |
| Metal Type | Zinc |
| Brand | Simpson Strong-Tie |
| Head Type | Hex Head |
| Item Weight | 5 Pounds |
| Thread Coverage | Partially Threaded |
| Fastener Type | Screw Anchor |
| Set Screw Thread Type | Serrated Cutting |
| Fastener Size | 5/8" |
| Size | 4 inches |
| Item Diameter | 0.63 Inches |
| Compatible groove diameter | 0.63 Inches |
| Number of Pieces | 10 |
| UPC | 707392521020 |
| Global Trade Identification Number | 00707392521020 |
| Manufacturer | Simpson Strong-Tie |
| Part Number | THDB62400H |
| Item Weight | 5 pounds |
| Item model number | THDB62400H |
| Is Discontinued By Manufacturer | No |
| Style | Zinc Plated |
| Finish | Zinc Plated |
| Shape | Screw |
| Item Package Quantity | 1 |
| Cutting Diameter | 0.63 Inches |
| Measurement System | Imperial |
| Usage | Concrete |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 12 months |
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