Simpson Strong-Tie HDU8-SDS2.5HDG Hot Dipped Galvanized Holdowns are pre-deflected during the manufacturing process, virtually eliminating deflection under load due to material stretch. They come with (20) 2-1/2" Simpson Strong-Tie® Strong-Drive® SDS screws which install easily and provide reduced fastener slip. Using SDS screws results in a greater net section, when compared to bolts, as no material is removed. Hot Dipped Galvanized holdowns should be used when the application in either exterior or in climates that are conducive to high corrosion.
Hot Dipped Galvanized Coating Information
- Material: 10 Gauge Steel
- Finish: Hot Dipped Galvanized
- Anchor Bolt Diameter: 7/8"
- Pre-deflected body virtually eliminates deflection due to material stretch.
- Uses (20) 1/4" x 2-1/2" SDS screws which install easily, reduces fastener slip, and provides a greater net section area of the post compared to bolts.
- SDS screws are supplied with the holdowns to ensure proper fasteners are used.
- No stud bolts to countersink at openings.
Hot-Dip Galvanizing is applied after the products are fabricated. The coating weight increases with material thickness. The minimum average coating weight is 2.0 oz./ft2 (per ASTM A123 total both sides). These products require hot-dip galvanized fasteners (fasteners which meet the specifications of ASTM A153). Anchor bolts are hot-dip galvanized per ASTM F2329.
Level of Corrosion Resistance:
Additional Simpson Strong-Tie Information
If there are any items on the Simpson Strong-Tie Website
that you do not see on the DHC Supplies website we will gladly special order them. Most special order Simpson items ship the same or next business day. Call us at 800-323-2999 for pricing and availability.
Selecting USPS as a shipping method for any Simpson Strong-Tie product may delay shipping 1-2 days. Additionally, international shipments may also be delayed 1-2 days.
Possible Free Shipping! Orders (Continental USA Only) of Simpson Strong-Tie items only that total $1850.00 or more may ship free depending on location, type of business and the type of Simpson products required. Additional products will be charged standard shipping if applicable. Please call 800-323-2999 to see if your order qualifies.
Explanation of Product Availability Terms
- Stock Item: This is a product we normally have available for immediate shipment. If we are out of stock or do not have enough to complete your order we will notify you by phone or email as
soon as possible. If you need to know if we have it in stock before you place the order please call 800-323-2999 Monday through Friday 7:00AM - 4:30PM.
- Ships Direct: This product ships direct from the manufacturer usually on the same or next business day.
- Special Order: This product has to be special ordered into our store and then shipped to the customer. This can take form 1-6 working days depending on the item and manufacturer.
- Out of Stock: This product is out of stock and will be replaced in the future. Depending on the vendor we can sometimes have a product that is out of stock drop shipped direct to you.
Please call 800-323-2999 if you have any questions.
- Discontinued: These are products we are no longer stocking. However they may be available as a special order. Please call 800-323-2999 if you have any questions.
Please Note: If we can drop ship an order and save shipping charges we will notify you and then pass the savings on to you.