Holdown Plate (HDP)
SECURE AND HOLD DOWN structural steel endposts between floors or TO THE FOUNDATION
ClarkDietrich HDP holdown plates provide cost-effective shearwall attachment and are used to transfer tension loads between floors or from structural members to the foundation embed plate (by others).
Quick Actions:
ClarkDietrich HDP holdown plates are designed for taller construction and higher tension loads; transferring the tension loads between floors or from structural members to the foundation embed plate (by others). The HDP holdown plates are pre-punched and available in six sizes that can be bolted or welded. They can be used for panelized construction or stick-built construction. They can also function as a weld attachment for brick shelf angles within CFS framing.
Material: A36 for 1/4" and 3/8" plate; A572 Gr50 for 1/2" plate
Bolt hole size: 13/16"
- Clip Express Sales at 866-638-1908 or clipexpress@clarkdietrich.com
- Technical Support at 888-437-3244 or support@clarkdietrich.com
Product Data & Ordering Information
| 3" Wide Holdowns | |||||
|---|---|---|---|---|---|
| Product code | Thickness | Width | Length | Holes per End | Packaging |
| 300HDP025 | 1/4" | 3" | 24" | 2 | 250 |
| 300HDP038 | 3/8" | 3" | 24" | 3 | 200 |
| 300HDP050 | 1/2" | 3" | 30" | 4 | 100 |
Product Data & Ordering Information
| 5" Wide Holdowns | |||||
|---|---|---|---|---|---|
| Product code | Thickness | Width | Length | Holes per End | Packaging |
| 500HDP025 | 1/4" | 5" | 24" | 3 | 150 |
| 500HDP038 | 3/8" | 5" | 24" | 4 | 100 |
| 500HDP050 | 1/2" | 5" | 30" | 6 | 50 |
















