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  1. Grade 8 Bolts | McMaster-Carr

    www.mcmaster.com › grade-8-bolts

    High-Strength Grade 8 SteelSquare-Neck Carriage Bolts. Made from Grade 8 steel, these bolts can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. Carriage bolts have a smooth, rounded head for a finished look. The square neck keeps these bolts from turning when tightening a nut.

  2. Grade 8 - Bolts - Fasteners - The Home Depot

    www.homedepot.com › b › Hardware-Fasteners-Bolts

    Get free shipping on qualified Grade 8 Bolts or Buy Online Pick Up in Store today in the Hardware Department. ... Robtec 1 in. x 3 in. Yellow Zinc Grade 8 Hex Bolt (2 ...

  3. A grade 8 bolt is stronger than the more commonly used grade 5. It is made of alloy steel and has six radial lines on the top of the bolt head. Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. We recommend using grade 8 nuts, flat washers and high alloy lock washers with any grade 8 bolts / hex cap screws.

  4. Grade 8 Bolts. Grade 8 Bolts and fasteners are comprised of carbon-alloy steel, heat treated in a carbon controlled atmosphere and are generally the most durable and reliable fastener. Grade 8 bolts have the highest ratings with tensile strength of 150,000 psi. Grade 8 bolts are used marine, military, aerospace, off-road vehicle markets and ...

  5. Grade 8 Bolts - Grainger Industrial Supply

    www.grainger.com › category › fasteners

    Grade 8 Bolts. 5,315 products. Bolts secure material by applying pressure from the head of the bolt. They fit with corresponding tapped holes and nuts to create bolted joints. Cap screws and hex bolts have heads designed for tightening to exact specifications with ratchets or spanner torque wrenches. Bolts with rounded heads, such as carriage ...

  6. People also ask

    Are Grade 8 bolts stronger than Grade 5?

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    What is the Rockwell hardness for Grade 8 bolt?

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  7. Grade 8 Hex Bolts (Head Cap Screws) | NutsandBolts.com

    www.nutsandbolts.com › bolts-hex-head-cap-screws

    Grade 8 Hex Cap Screws/Bolts. A grade 8 bolt is stronger than the more commonly used grade 5. It is made of alloy steel and has six radial lines on the top of the bolt head. Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. We recommend using grade 8 nuts, flat washers and high alloy lock washers with any grade 8 bolts ...

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