[450 BULK] Hex Head Cap Screws Grade 5 Steel Zinc Plated Coarse Thread 5/16-18X3 1/2

Mutual ScrewSKU: 3156CH5OKC

Price:
Sale price$304.51per 450( $0.68 each)
Pieces 450
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 3-1/2
Material Steel
Grade Grade 5
Finish Zinc Plated
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 37.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Hex Head Cap Screws Grade 5 Steel Zinc Plated Coarse Thread 5/16-18 x 3-1/2 are engineered for durable, high-strength fastening across a variety of applications. Constructed from dependable Grade 5 steel and finished with a protective zinc plating, these screws resist corrosion and provide reliable performance in demanding environments.

Key specifications

  • Size: 5/16-18 x 3-1/2"
  • Material: Grade 5 steel
  • Finish: Zinc plated
  • Thread: Coarse thread (5/16-18)
  • Head style: Hex head

Ideal for quick, secure assemblies in wood, metal, or composite materials, these hex head cap screws provide strong clamping force and ease of installation thanks to the coarse thread. The 3-1/2 inch length fits thicker components and projects where a longer fastener is required, while the uniform coarse thread ensures reliable tapping into prepared or pre-threaded holes.

Use these hex head cap screws for equipment mounting, machinery assembly, automotive projects, and general construction tasks. They're a versatile choice when you need a robust fastener that combines strength, corrosion resistance, and straightforward tool access for fast installation.

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