Description
Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated, USA Made, 5/16-18 x 3 1/4". These high-strength fasteners deliver dependable performance for demanding industrial, automotive, and construction applications.
Specifications
- Thread Size: 5/16-18
- Length: 3 1/4" (3.25") under head to tip
- Material: Grade 8 Steel
- Finish: Zinc Yellow Plated
- Head Style: Hex Head Cap Screw
- Drive Type: Hex
- Origin: USA Made
Designed for superior torque and secure clamping, these screws pair with standard nuts and washers rated for 5/16-18 threads. The zinc yellow plating provides corrosion resistance in mildly harsh environments, while Grade 8 steel offers high tensile strength for critical fastenings. Install with a standard hex wrench or socket sized for the hex head to achieve proper torque and a secure fit.
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