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5/16-in x 18 Zinc-plated Steel 3-prong Nut

Ratings & Reviews for Hillman 5/16-in x 18 Zinc-plated Steel 3-prong Nut

4.5
189
Review
 4.5 out of 5
189 Reviews


87% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these T-nuts for reliable performance and solid build quality, with most highlighting their ability to securely anchor bolts in wood without splitting and noting smooth threading and easy installation across diverse applications. The three-prong design receives consistent commendation for biting firmly and preventing loosening over time. Many appreciate the variety of lengths available and clean metal construction. However, several customers voice concerns about pricing, describing the cost as excessive compared to alternatives elsewhere. A few report prongs bending during installation in dense wood or receiving damaged units, though these issues represent a small minority. Overall, reviewers strongly recommend the product despite cost reservations.

Customer review summary generated by AI, including incentivized reviews.
189 Customer Reviews

Did the job no problem.

Would Recommend

Sturdy, allowed the bolt to thread the first time.

May 11, 2026
From 1_SLASH_4-in x 20 Zinc-plated Steel 3-prong Nut 2 -Pack Verified Purchaser
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Bench setup for temporary equipment

Would Recommend

Worked great

May 6, 2026
From 1_SLASH_4-in x 20 Zinc-plated Steel 3-prong Nut 2 -Pack Verified Purchaser
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Nuts

Would Recommend

Not only did the Nuts exceed my expectations the salas associate, Dave, was/is always helpful when I need assistance.

May 4, 2026
Verified Purchaser
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Fine product.

Would Recommend

This nut worked exactly as expected.

May 2, 2026
From 1_SLASH_4-in x 20 Zinc-plated Steel 3-prong Nut 2 -Pack Verified Purchaser
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perfect for what I needed

it's a nut, what else can you say

May 2, 2026
From 1_SLASH_4-in x 20 Zinc-plated Steel 3-prong Nut 2 -Pack Verified Purchaser
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Buddy

Would Recommend

Works

May 1, 2026
From #8 x 32 Zinc-plated Steel 3-prong Nut 2 -Pack Verified Purchaser
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Worked great, just what I needed

Would Recommend

Perfect for my application

April 29, 2026
From 1_SLASH_4-in x 20 Zinc-plated Steel 3-prong Nut 2 -Pack Verified Purchaser
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Holds firm..

Would Recommend

Works well.

April 27, 2026
From 1_SLASH_4-in x 20 Zinc-plated Steel 3-prong Nut 2 -Pack Verified Purchaser
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Great anchor

Replaced the metric version that the bolt broke

April 26, 2026
Verified Purchaser
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Pass thru nut

Never used on of these but it worked great

April 16, 2026
From 1_SLASH_4-in x 20 Zinc-plated Steel 3-prong Nut 2 -Pack Verified Purchaser
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Threaded insert for wood or soft plastics.

Would Recommend

Works great for indoor applications only.

April 16, 2026
From 1_SLASH_4-in x 20 Zinc-plated Steel 3-prong Nut 2 -Pack Verified Purchaser
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Overhead rain shower head support

Would Recommend

Itcfit perfect for a support for overhead rain shower head.

April 5, 2026
Verified Purchaser
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Tee nut

Worked good for 1/4"-20 camera equipment diy.

April 5, 2026
From 1_SLASH_4-in x 20 Zinc-plated Steel 3-prong Nut 2 -Pack Verified Purchaser
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PERFECT PRODUCT!

Would Recommend

RECEIVED PRODUCT JUST AS IT WAS DESCRIBED.

April 1, 2026
From 3_SLASH_8-in x 16 Zinc-plated Steel 3-prong Nut Verified Purchaser
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