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  • Simpson HDU8-SDS2.5 Holdown with SDS screws
  • Simpson Strong-Tie HDU8-SDS2.5 Holdown Dimensions
Simpson HDU8-SDS2.5 Holdown with SDS screws

Simpson Strong-Tie HDU8-SDS2.5 Holdown (12 Box Special)

Part Number: HDU8-12
UPC: 707392934608
Availability: Ships Direct (From Simpson)

Usually Ships: 1-3 Business Days
Free Shipping to 48 USA Continental States!
Price: $3,309.94
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Save by Purchasing a Quantity of 12 Boxes (72 Pieces)!

Simpson Strong-Tie HDU8-SDS2.5 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.

  • Material: 10 Gauge Steel
  • Finish: Standard G90 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.
Standard G90 Zinc Galvanized Coating Information
Standard G90 Zinc Galvanized Coating contains 0.90 oz. of zinc per square foot of surface area (total both sides). This coating provides a low level of corrosion resistance and should be used in dry environments.
Level of Corrosion Resistance: Low

Explanation of "Simpson Ships Direct" Availability
Direct Shipments from Simpson Strong-Tie are products Simpson stocks in many of their warehouses. They will be ordered to ship directly to your location as soon as we receive your order. Simpson usually ships in 2-4 business days after they receive our purchase order. Additionally, expedited orders are not guaranteed to process sooner than the standard 2-4 business days. We will immediately notify you with the tracking information as soon as we receive it. If you have specific time related needs we encourage you to call our sales department direct at 800-323-2999 for more information.

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 as long as there is stock available. Call us at 800-323-2999 for pricing and availability.
Possible Free Shipping! Orders (Continental USA Only) of Simpson Strong-Tie items only that total $2200.00 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.