HDUE9-SDS3.5 SIMPSON Tie Predeflected Holdown Sds Screws

Review SIMPSON Strong-tie Predeflected Holdown Sds Screws Qty

Introducing the Simpson Strong-Tie HD-UE9-SDS3.5 Pre-Reflected Holdown SDS Screws - a superior solution for installing heavy masonry veneers, stone, brick, and other exterior cladding materials to wood framing. These heavy-duty screws offer enhanced holding power and increased safety compared to traditional screws.

The HD-UE9-SDS3.5 screws are part of Simpson Strong-Tie's HD-UE9 System, which includes pre-reflected expansion sleeves. The expansion sleeve is integrated into the screw, allowing it to expand and compress during installation without the need for separate expansion sleeves. This design simplifies the installation process and saves time and labor.

Each screw is 3.5 inches long and features a #12 point, SDS tip. The SDS tip ensures easy and efficient installation using a rotary hammer drill. The #12 point increases the grip strength and holds the screw securely in place, even when installing into difficult materials.

These screws have a yield strength of 65,000 psi and a tensile strength of 70,000 psi. This exceptional strength enables them to support heavy loads and provide reliable structural integrity. The HD-UE9-SDS3.5 screws are tested and approved by ICC-ES for use in seismic and non-seismic applications.

Additionally, the HD-UE9-SDS3.5 screws have a zinc plated finish, which resists corrosion and ensures a longer service life. This makes them an excellent choice for exterior applications where exposure to the elements is unavoidable.

To install these screws, simply drill a pilot hole using a masonry bit, then insert the screw into the hole using a rotary hammer drill with an SDS bit. The expansion sleeve will expand as the screw is driven, creating a secure mechanical anchor that holds the masonry material in place.

In summary, the Simpson Strong-Tie HD-UE9-SDS3.5 Pre-Reflected Holdown SDS Screws are a high-performance, time-saving solution for installing heavy masonry veneers and other exterior cladding materials. Their integrated expansion sleeve design simplifies installation, and their superior strength and corrosion resistance make them a reliable and long-lasting choice for structural applications.

Simpson HDUxE9-SDS3.5 Strong-Tie Pre-Flected Holdown SDS Screws are designed for use in heavy-duty applications, particularly in the construction industry for attaching anchors to concrete or masonry surfaces. Here are some pros and cons of buying these screws:

1. Pre-Flected Design: The pre-flected design of these screws provides an increased holding power when used with concrete or masonry anchors. This makes them ideal for use in applications where high load-bearing capacity is required.

2. SDS-Plus Tip: The SDS-Plus tip on these screws allows for easy and efficient installation using a SDS-Plus drill bit. This can save time and effort in the installation process.

3. High-Strength Material: These screws are made from high-strength steel, which provides excellent resistance to corrosion and wear. This makes them a durable option for use in harsh environments.

4. Versatile: These screws can be used with a variety of anchors, including Simpson's own line of Strong-Tie anchors. This makes them a versatile option for use in a range of applications.

1. Expensive: Simpson HDUxE9-SDS3.5 Strong-Tie Pre-Flected Holdown SDS Screws are more expensive than standard SDS screws. This may make them a less cost-effective option for smaller projects or for those on a tight budget.

2. Limited Availability: These screws may not be readily available at all home improvement stores or online retailers. This may require special ordering or sourcing from a specific supplier.

3. Requires Specific Tools: To install these screws, a SDS-Plus drill bit and a drill with an SDS-Plus chuck are required. This may add to the overall cost and complexity of the installation process.

Simpson HDUxE9-SDS3.5 Strong-Tie Pre-Flected Holdown SDS Screws are a high-performance option for those in need of heavy-duty screws for concrete or masonry applications. Their pre-flected design provides increased holding power, and their SDS-Plus tip allows for easy and efficient installation. However, their expense and limited availability may make them a less practical option for smaller projects or for those on a tight budget.

If you require high-performance screws for heavy-duty concrete or masonry applications, Simpson HDUxE9-SDS3.5 Strong-Tie Pre-Flected Holdown SDS Screws are an excellent choice. However, if you are working on a smaller project or have a limited budget, you may want to consider standard SDS screws as a more cost-effective alternative. It is important to carefully consider your specific needs and budget before making a purchasing decision.

Details:

Predeflected seat reduces deflection under load angled fastening engages the screws in tension for higher load capacity, reducing number of required angled tabs help drive fastener at a 45 angle, and offset holes on second back plate block from being driven straight overlapping increases strength shear values, helping prevent post splitting optimized screw patterns reduce splitting end maximize individual capacity angled required straight overlapping optimized.

specifications buildymat:

• brand: Simpson
• mpn: Hdue9-sds3.5
• part type: Tie Screw
• upc: 707392032014

returns buildymat:

• method: money back
• paid by: buyer
• policy: returns accepted
• time: 30 days

shipping buildymat:

• transit: 2-4 days
• service: expedited
• type: fixed
• class: expedited

payments buildymat:

• credit card: visa
• other
• wallet: paypal

general buildymat:

• category: Business & Industrial > Supplies > Building Materials

seller buildymat:

• # reviews: 3526
• city: robertsdale al
• rating: 98.6%

offer buildymat:

• prices: $250.00–$512.88
• item condition:
  • New – Open box
  • New
• availability: in stock
• in stock #: 4
• options: ship-to-home
• started: january 12, 2026
• sold #: 15