SKU: 58646444665

Simpson Strong-Tie HDIA25 Hollow Drop-In Anchor for 1/4-in. Rod (100 Pack)

Sale price$57.31 Regular price$63.68
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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17

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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

  1. Drill a hole in the base material using the specified diameter carbide drill bit.
  2. Blow the hole clean using compressed air.
  3. Insert the HDIA into the hole and tap with a hammer until flush against the surface.
  4. Using the designated setting tool, drive the anchor to the bottom of the drilled hole.
  5. 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:
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  • 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
SKU: 58646444665

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4.4 ★★★★★
Based on 22 reviews
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Product Reviews
D
Verified Purchase
David Hester
Carnegie, US
★★★★★ 5
Quality
Color: 1set, Size: 24inch
Very easy to assemble and mount very stable and good looking 100% recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 5
Sturdy and great looking
Color: 1set, Size: 24inch
Easy to build, looks good, sturdy. Good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2026
L
Verified Purchase
LauraE
Fort Morgan, US
★★★★★ 5
Gorgeous shelf
Color: 1set, Size: 16inch, Color: 1set, Size: 16inch
Gorgeous shelf! I know it’s not real wood but you can’t tell the difference and the price is right! Pipes are beautiful too! My dad put this up and had a little trouble aligning it up with the holes so make sure you have um right before you start drilling them.
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Reviewed in the United States on March 27, 2026
K
Verified Purchase
KCL
Fort Morgan, US
★★★★★ 4
Not REAL wood - particle board with veneer - but still beautiful.
Color: 1set, Size: 24inch, Color: 1set, Size: 24inch
Came on time, easy to assemble, relatively easy to install. Metal rods are actually metal, which is nice. Flanges are good quality, very nice rustic look. Shelves are less wonderful. They are definitely not real wood at all. They are cheap particle board with veneer. I would not have purchased had I read more reviews, BUT it is still beautiful, sturdy and does the trick. We can always cut our own shelves if we should so choose and re-use the very nice hardware. 4/5 for misrepresenting as real wood, but 5/5 for functionality and aesthetic.
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Reviewed in the United States on February 26, 2023
A
Verified Purchase
Amazon Customer
Lake Worth, US
★★★★★ 5
Love Them!
Color: 1set, Size: 24inch
Fast delivery, heavy duty, deep shelves over other units, and they're beautiful! Would absolutely buy again!
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Reviewed in the United States on February 11, 2026

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