Established in 1988

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Grade 5 Bolts

Grade 5 Bolts

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Grade 5 Bolts and fasteners are made of medium strength carbon steel and are specified under the Society of Automotive Engineers (SAE). If your application calls for heavier materials, you may need Grade 8 Bolts because they are the hardest and are often used in heavy manufacturing applications. Otherwise, Grade 5 bolts can be used. These bolts are heat treated in a controlled atmosphere from 1⁄4 in. through 1-1/2 in. with a minimum tensile strength of 120,000 psi in diameters through 1 in. and 105,000 psi for diameters over 1 in. through 1-1/2 in.

Grade 5 Bolts are equivalent to Metric 8.8 bolts, so when finding the right bolt, be sure to match the grades on the bolts being used. Grade 5 bolts can often be identified by the 3 marks on the head.

Each Grade 5 bolt from U-Bolt-It are available zinc plated.

Have a question about our manufactured grade 5 bolts? Contact our team directly by phone or by using our secure online form. We look forward to speaking with you!

Grade 5 Bolts & Fasteners Inventory

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  1. Diameter: 1/4
    Thread: 20
    Length: 1/2
  2. Diameter: 1/4
    Thread: 20
    Length: 5/8
  3. Diameter: 1/4
    Thread: 20
    Length: 3/4
  4. Diameter: 1/4
    Thread: 20
    Length: 7/8
  5. Diameter: 1/4
    Thread: 20
    Length: 1
  6. Diameter: 1/4
    Thread: 20
    Length: 1 1/4
  7. Diameter: 1/4
    Thread: 20
    Length: 1 1/2
  8. Diameter: 1/4
    Thread: 20
    Length: 1 3/4
  9. Diameter: 1/4
    Thread: 20
    Length: 2
  10. Diameter: 1/4
    Thread: 20
    Length: 2 1/4

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Our buyer received a letter from your company regarding an order I put in for some 3” stainless steel U-Bolts. I just wanted to thank you for the kind letter and let you know that your U-Bolts have been completely invaluable to us. We use them in the manufacturing process of an extremely sensitive product. Our previous U-bolts were zinc plated, therefore they became rusted too easily and risked the quality of the product. We hadn’t been able to find another U-bolt supplier with our specific size requirements (without going custom) until I came across your website! We are very grateful for the quality product you have sent us. We will definitely continue to use your company and the services provided.

– C.