[1500 BULK] Hex Lock Nuts Serrated Flange Steel Black Zinc 5/16-18

Mutual ScrewSKU: 31NRBZKC

Price:
Sale price$240.05per 1500( $0.16 each)
Pieces 1500
Measurement type Inch
Thread size 5/16-18
Material Steel
Finish Black Zinc
Head style Hex
Weight 20.0 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 Lock Nuts Serrated Flange Steel Black Zinc 5/16-18 are engineered for dependable, vibration-resistant fastening in automotive, machinery, and outdoor applications. Crafted from sturdy steel with a durable black zinc finish, these hex lock nuts combine locking action with a serrated flange to deliver secure performance in challenging environments.

  • Material & Finish: Steel with black zinc coating for corrosion resistance and a durable, low-profile finish.
  • Locking Performance: Serrated flange anchors the nut and improves anti-slip performance, helping to prevent loosening under vibration.
  • Flange Design: Serrated flange distributes pressure evenly and reduces surface damage for reliable holding power.
  • Thread Size: 5/16-18 UNC (coarse) for common fastener applications.
  • Applications: Ideal for automotive, machinery, equipment, and outdoor projects where vibration resistance is essential.

Trustworthy for quick, strong assemblies and long service life, these hex lock nuts are a practical choice when you need secure, maintenance-free performance.

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