[300 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 X 4
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[300 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 X 4

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[300 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 X 4

Mutual ScrewSKU: 3164MWWKC
Price:
$517.27per 300( $1.72 each)
Pieces 300
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 4
Material Steel
Finish Zinc Plated
Head style Serrated Hex Washer
Threads per inch 18
Thread style Fully Threaded
Weight 25.0 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

Our Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 X 4 deliver a durable, secure fastening solution for a wide range of applications. Built for strength and reliability, these bolts combine a low-profile flange head with a serrated hex washer to provide even load distribution and anti-slip performance in challenging environments.

Key specifications

  • Size: 5/16 in diameter, 18 threads per inch, length 4 inches
  • Head and washer: Flange head with integrated serrated hex washer for a strong grip and vibration resistance
  • Material and finish: Steel core with case hardened treatment and zinc plating for enhanced strength and corrosion resistance
  • Durability: Case hardened for improved wear resistance, making them suitable for high-stress fastenings
  • Vibration performance: Serrated washer helps prevent loosening under dynamic loads

Ideal for automotive, machinery, and construction projects where a secure, high-strength fastener is required. The combination of a flange head, serrated washer, and zinc finish provides dependable performance in exposed and demanding environments.

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If you’re not sure that this product is right for you, give us a call!
800-222-0324

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