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Description
Simpson Strong-Tie THDC25238H6SS Titen HD (1/4" x 2-3/8") Heavy-Duty SS Screw Anchor - Type 316 (50 Pack)Simpson THDC25238H6SS Description The Titen HD Screw Anchor is a self undercutting, non expansion screw anchor made of 316 stainless steel, ideal for corrosive environments. Simpson THDC25238H6SS Includes (50) 1 4" x 2 3 8" Titen HD Screw Anchor Simpson THDC25238H6SS Features Self undercutting design for secure installation Made of 316 stainless steel for corrosion resistance Patented thread design with serrated cutting teeth Suitable for exterior and
Simpson THDC25238H6SS Description
The Titen HD Screw Anchor is a self-undercutting, non-expansion screw anchor made of 316 stainless steel, ideal for corrosive environments.
Simpson THDC25238H6SS Includes
- (50) 1/4" x 2-3/8" Titen HD Screw Anchor
Simpson THDC25238H6SS Features
- Self-undercutting design for secure installation
- Made of 316 stainless steel for corrosion resistance
- Patented thread design with serrated cutting teeth
- Suitable for exterior and corrosive environments
- Tested in accordance with ACI355.2, AC193, and AC106
Simpson THDC25238H6SS Applications
- Exterior installations in corrosive environments
- Saltwater applications
- Areas with exposure to corrosive chemicals
- Mechanical, electrical, and plumbing applications
Simpson THDC25238H6SS Installation Overview
- Drill a hole in the base material using a carbide drill bit of the same diameter as the anchor.
- Insert the anchor through the fixture and into the hole.
- Tighten the anchor into the base material until the hex-washer head contacts the fixture.
Simpson THDC25238H6SS Specifications
| Diameter | 1/4" |
| Length | 2-3/8" |
| Material | 316 Stainless Steel |
| Drill Bit Size | 1/4" |
| Drive Type | 3/8" Hex |
| Fixture Hole Size | 3/8"-7/16" |
| Head Type | Hex Head |
| Quantity | 50 |
NOTE: Use the correct fasteners installed in the correct position to achieve published load values
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Great product
Model: 36 SqFt(3.4 SqM)
I used this on the doors of a Toyota Tacoma, worked as it described. Reduced the road noise significantly.. Need to buy another box for the floor and roof of the truck..
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Great product - Add foam product for complete solution
Model: 36 SqFt(3.4 SqM)
Used in two cars with speaker upgrades. Easy to install but get the roller for assured adhesion.removes "tinnyness" from large metal resonators. Use with foam absorptive material for a complete system.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great Product for noise reduction in Auto Use.
Model: 36 SqFt(3.4 SqM)
I use this on many builds to dampen the metal echo in cars, vans, and trucks. Just one sheet in the center of a body panel is a huge difference maker. You can also cover the entire surface and get added insulation value. The noise is greatly depleted and it's easy to install with a roller tool. Looks Great when done. Good Product I will use again!
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Reviewed in the United States on December 29, 2025
★★★★★ 5
74 monte carlo Resto
Model: NewSLS50_52
Great product easy installation with sheets cut to size,using for Classic car Restoration,floor pan and doors
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Impressive Sound Deadening Solution with Enhanced Audio Quality
Model: NewSLS50_52
I recently purchased the Siless 50 mil (1.3mm) 52 sqft Car Sound Deadening mat, and I am delighted with the results it has delivered. Right from the start, I was impressed with the packaging, which ensured the product arrived in perfect condition.
One of the standout features of this sound deadening mat is its ease of use. It was a breeze to cut and modify according to my specific needs. Whether I needed to cover specific areas or customize the size, the mat accommodated my requirements effortlessly. This flexibility made the installation process a breeze.
The Siless Sound Deadening mat has proven to be highly effective in reducing outside noise within my vehicle. With just a half cabin install, I noticed a significant reduction of approximately 10 decibels, making my driving experience much quieter and more comfortable. The mat acted as a reliable barrier against external noise, allowing me to enjoy a more peaceful ride.
Furthermore, the sound quality from my vehicle's audio system experienced a noticeable improvement. The Siless mat effectively dampened vibrations and minimized resonance, resulting in cleaner and more refined audio output. The mat's thickness of 50 mil (1.3mm) ensures optimal sound absorption, contributing to its effectiveness in creating a quieter and more enjoyable driving environment. I can now appreciate the full range of tones and enjoy a more immersive music experience during my drives.
Overall, I highly recommend the Siless 50 mil Car Sound Deadening mat for anyone seeking a reliable and effective solution to reduce noise and enhance audio quality in their vehicle. The easy cutting and modifying process, along with the excellent packaging, contribute to a seamless installation experience. With a significant reduction in outside noise and an improvement in sound system performance, this sound deadening mat has exceeded my expectations.
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Reviewed in the United States on May 27, 2023