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Description
Simpson Strong-Tie HDIA25 Hollow Drop-In Anchor for 1/4-in. Rod (100 Pack)Simpson Strong Tie HDIA25 Description The Simpson Strong Tie Hollow Drop In Anchor (HDIA) is an internally threaded, flush mount expansion anchor designed for use in hollow materials like CMU and hollow core plank, as well as solid base materials such as brick and concrete. Simpson Strong Tie HDIA25 Includes (100) Hollow Drop In Internally Threaded Anchor Simpson Strong Tie HDIA25 Features Suitable for suspending conduit, cable trays, pipe supports,
Simpson Strong-Tie HDIA25 Description
The Simpson Strong-Tie Hollow Drop-In Anchor (HDIA) is an internally threaded, flush-mount expansion anchor designed for use in hollow materials like CMU and hollow-core plank, as well as solid base materials such as brick and concrete.
Simpson Strong-Tie HDIA25 Includes
- (100) Hollow Drop-In Internally Threaded Anchor
Simpson Strong-Tie HDIA25 Features
- Suitable for suspending conduit, cable trays, pipe supports, fire sprinklers, and suspended lighting into concrete
- Expansion design allows anchoring into CMU, hollow-core plank, brick, normal-weight concrete, and lightweight concrete
- Internally threaded anchor allows for easy bolt removal
Simpson Strong-Tie HDIA25 Applications
- Suspending conduit and cable trays
- Pipe supports and fire sprinklers
- Suspended lighting into concrete
Simpson Strong-Tie HDIA25 Installation Overview
- Drill a hole in the base material using the specified diameter carbide drill bit.
- Blow the hole clean using compressed air.
- Insert the HDIA into the hole and tap with a hammer until flush against the surface.
- Using the designated setting tool, drive the anchor to the bottom of the drilled hole.
- Position the fixture, insert the fastener, and tighten.
Simpson Strong-Tie HDIA25 Specifications
| Material | Zamac 3 |
| Length | 3/4" |
| Accepts rod size | 1/4" |
| Drill bit size | 3/8" |
| For Treated Lumber | Yes |
| Quantity | 100 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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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
4.4 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Effective Relief for Dry Mout
Flavor Name: Mint, Size: 230 Count (Pack of 1)
Oracoat XyliMelts have been a lifesaver in managing my dry mouth symptoms, especially at night due to medication side effects.
Ease of Use: These discs are simple to use; I place two in my mouth before going to bed, and they adhere comfortably throughout the night. They’re discreet and easy to apply, making them convenient for both nighttime and daytime relief.
Effectiveness: XyliMelts work effectively to stimulate saliva production, providing much-needed moisture to alleviate the discomfort of dry mouth. I wake up with less dryness, which greatly improves my comfort and oral health.
Flavor and Comfort: The mild flavor is pleasant and doesn’t interfere with sleep. The discs dissolve slowly, ensuring consistent relief without any irritation.
Overall Experience: Oracoat XyliMelts are a must-have for anyone dealing with dry mouth from medications. They offer reliable, long-lasting relief and have become an essential part of my nightly routine.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
A Tooth Saver
Flavor Name: Mint, Size: 230 Count (Pack of 1)
Work well. My mouth gets dry due to meds and this helps me avoid cavities while sleeping. It has a mild minty taste ad lasts most of the night. I sometimes use it during the day as well and it is nice and discreet.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Best relief for dry mouth!
Flavor Name: Mint, Size: 230 Count (Pack of 1)
My neurologist recommended XyliMelts after I mentioned dry mouth with CPAP use.
I have been using them for about a year and they’ve made a huge difference. Before using them, I would wake up several times with a completely dry mouth and throat. These help keep my mouth moist for hours while I sleep.
They stick well to the roof of my mouth without being uncomfortable, and the mild mint flavor isn’t overpowering. I also like that they dissolve slowly instead of disappearing too quickly like regular lozenges.
The only small adjustment was getting used to placing them the first couple of nights, but after that they were easy to use.
Overall, I’d definitely recommend these to anyone dealing with nighttime dry mouth or dry mouth from medications.
Pro tip: bring them with you when you travel, they are super helpful in drier climates and on planes.
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Reviewed in the United States on May 7, 2026
★★★★★ 4
Works well but too expensive
Flavor Name: Mint, Size: 230 Count (Pack of 1)
We love these for nightime. Wish they didn’t stop making the cinnamon, but we like the mint anyway. Excellent for dry mouth esp at night! Too expensive though.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Great product does what it says
Flavor Name: Mint, Size: 395 Count (Pack of 1)
Love these they work so well for dry mouth.
Side effects it does cause the skin in my mouth to kinda wrinkle and loosen?? Not sure why taste is semi sweet and minty which keeps my breath fresh and clean all night
Great value for money. Dosage and ingredients on the back.
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Reviewed in the United States on April 21, 2026