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Ships within 48 hours · Estimated delivery Jun 28 - Jul 3
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Description
Simpson HDIA50 Hollow Drop-In Internally Threaded expansion Anchor 1/2"The HDIA hollow drop in anchor is an internally threaded, flush mount expansion anchor designed for attaching threaded rod to support a variety of conduit, cables and lighting. This anchor is ideal for use with hollow base materials such as CMU and hollow core plank as well as in solid base materials such as brick and both normal weight and lightweight concrete. The HDIA can easily be installed in both hollow and solid materials with a setting tool.
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- 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.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 258 reviews
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Product Reviews
★★★★★ 5
Is probably heaver than you think
Style: 4-Speaker
Quality is decent, weight is heavy, threads of the screw portion seem of quality
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Reviewed in the United States on March 18, 2026
★★★★★ 5
It is good value, and functional
Style: 4-Speaker
Great value and worked flawlessly
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Quality cable at an unbeatable price
Size: 2AWG 15FT + 15FT, Color: Red + Black
Wish I found this cable sooner! This cable is much better than the cabke I was previously purchasing! Crimps well, copper is of high quality, coating is excellent, bends great, price is great! Overall very satisfied!
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Reviewed in the United States on April 22, 2026
★★★★★ 5
good quality
Size: 2AWG 15FT + 15FT, Color: Red + Black
Well, this is some stiffness, but manageable.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Good Cable
Size: 2AWG 15FT + 15FT, Color: Red + Black
Work as intended. I used it to run some cable to a second battery from the first. If you're going to do that though, 100% have two fuses. One next to each battery post.
It's pretty heavy cable too, good stuff.
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Reviewed in the United States on November 9, 2025
