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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.
- 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
4.1 ★★★★★
Based on 331 reviews
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Product Reviews
★★★★★ 4
Comfortable jeans. Perfect length. Too baggy for my body shape.
Size: 0, Color: Medium Wash, Size: 0, Color: Medium Wash
5’0 - 95lbs
I got size 0. They are comfortable, but really baggy. The length sits perfect at my ankles. The quality of the jeans are also nice. Pockets are a good size.
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Reviewed in the United States on April 23, 2026
★★★★★ 3
Too high waisted
Size: 14, Color: Black
I really wanted these jeans to fit because I loved the style and the heavier weight with just a touch of stretch. Size 14 should have fit but was huge. High waist is an understatement; the waist hit between my bellybutton and my boobs. The whole body area - waist, butt, crotch was huge. Sad because I liked the look of the legs...just the right amount of width and the length hitting the top of my Chelsea boots (26" exactly, I measured) plus the wide cuff. I'm not sure if going down a size or two will change how high the waist goes.
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Reviewed in the United States on September 29, 2025
★★★★★ 5
I’m smitten
Size: 18, Color: Black
These are so well made and perfect high-rise to keep my belly tucked away. Have the perfect stretch without making me sausage like. Keep shape all day! Great length and look so cute with all kinds of shoes. Can’t wait for sweater weather!
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Reviewed in the United States on September 22, 2025
★★★★★ 1
Disappointed
Size: 12, Color: Medium Wash
Jeans were a different style than what the photo shows. They are also a size 12 but run TINY couldnt even get them up my thighs and I’m a true size 10. Run like a size 7.
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Yes PLEASE!!
Size: 10, Color: Medium Wash
LOVE these. Good quality, thick material, flattering fit. I wish they came in more colors, I bought all the colors they offered in my size. I am really impressed with Amazon Essentials clothing.
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Reviewed in the United States on November 19, 2025