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Prime-Line 9059752 Hex Bolts, 3/8 in.-16 X 2-1/2 in., A307 Grade A Zinc Plated Steel (25 Pack)

  • Based on 35 reviews
Condition: New
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Availability: In Stock.
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Arrives Mar 15 – Mar 17
Order within 5 hours and 57 minutes
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Features

  • Size: 3/8 inch-16 X 2-1/2 inch
  • One of the most common and versatile fasteners
  • Designed for use with a nut or a threaded hole of the same diameter and thread size
  • Features a 6 sided head and can be fastened using a wrench or socket tool
  • Nuts and washers not included
  • Thread Type: Coarse, Thread Class: UNC-2A, Point Style: Blunt
  • Specification(s) Met: ASME B18.2.1 and ASTM A307 Gr A

Description

Prime‑Line hex bolts provide strong, dependable fastening for a wide range of home repair, construction, and mechanical projects. Designed with a six‑sided hex head for easy tightening using standard wrenches or sockets, these bolts deliver reliable clamping strength in wood‑to‑wood, wood‑to‑metal, and metal‑to‑metal applications. Ideal for furniture assembly, appliances, automotive repairs, lawn and garden equipment, structural framing, and general household use, Prime‑Line hex bolts are intended for use with same‑size matching nuts and washers to ensure proper fit, even load distribution, and long‑lasting performance. Manufactured from quality materials for strength and durability, they install quickly and perform consistently in both indoor and outdoor environments. Trusted by DIY homeowners and professionals across the U.S., Prime‑Line hex bolts make it easy to complete projects with confidence and reliable holding power.

Material: Alloy Steel


Thread Size: 3/8"-16


Exterior Finish: Zinc


Manufacturer Grade: Grade A


Head Style: Hex


Material: ‎Alloy Steel


Thread Size: ‎3/8"-16


Exterior Finish: ‎Zinc


Manufacturer Grade: ‎Grade A


Head Style: ‎Hex


Color: ‎Zinc


Fastener Type: ‎Hexagon Bolt


Brand: ‎PRIME-LINE


Thread Type: ‎Unc


Item Diameter: ‎0.38 Inches


Thread Style: ‎Right Hand


Item Hardness: ‎Grade 2


Size: ‎3/8 in. -16


Head Type: ‎Hex


Thread Class: ‎Others


Number of Pieces: ‎25


UPC: ‎049793111241


Set Name: ‎Pack of 25


Global Trade Identification Number: ‎41


Manufacturer: ‎Prime-Line


Part Number: ‎9059752


Item Weight: ‎2.11 pounds


Item model number: ‎9059752


Finish: ‎Zinc Plated


Shape: ‎Hexagonal


Item Package Quantity: ‎1


Cutting Diameter: ‎0.38 Inches


Tool Tip Description: ‎Hex


Measurement System: ‎Inch


Included Components: ‎Hex bolts


Batteries Required?: ‎No


Date First Available: August 21, 2017


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Mar 15 – Mar 17

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Dimensions including Grip Length
The product is fine (no burrs or mis-threads) however I was disappointed in the product description. I'm building a cradle for my first grandchild and I needed an accurate dimension for the grip length, the smooth part of the bolt stem, between the bottom of the fastener head and the first thread. So I'll add it here for others: Total length (top of head to bottom of stem) = 2.75 inch Head thickness = 0.24 inch (just a tad less than 1/4") Grip length = 1.1875 (right at 1-3/16") Total bolt stem length (grip + thread) = 2.49 (just a tad less than 2-1/2") ... show more
Reviewed in the United States on March 22, 2021 by M. Bauer

  • Works Great
Building a trestle table and matching benches to sell. I needed these to secure the leg assemblies to the cleats under the table and bench tops and didn't want to go out. I knew what size I needed and found them here at a reasonable price and shipping timeframe. They're as good or better as what I get at the local big box and saved me a trip out of the house. ... show more
Reviewed in the United States on May 4, 2020 by Steve H

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