Midwest Fastener

Midwest Fastener 03650 Lock Nut with Nylon Insert, UNC Thread, 5/16-18 Thread, Steel, Zinc-Plated, 2 Grade

Our Item #: VORG4133146 UPC: 738287036503
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3-5 Business Days
399 available
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Sale price $9.23 Regular price$12.99you save $3.76
These 5/16-18 coarse nylon insert lock nuts are crafted from durable steel with a corrosion-resistant zinc finish, delivering long-lasting performance and secure fastening for your projects. Designed to resist vibration, they maintain tight assemblies even under pressure, making them ideal for mechanical and automotive applications where stability is critical. Easy-to install and compatible with a wide range of uses, these silver lock nuts provide reliable fastening solutions for both professional contractors and DIY enthusiasts. Ideal for environments subject to vibration and movement, these lock nuts ensure your assemblies stay secure, preventing loosening and enhancing overall safety. Whether you're working on automotive repairs, machinery maintenance, or construction projects, these nylon insert lock nuts offer dependable performance and peace of mind. Their robust design and versatile compatibility make them a trusted choice for maintaining lasting stability in demanding conditions.
Unit: BX100
UPC: 738287036503
Model Number: 03650
Midwest Fastener 03650 Lock Nut with Nylon Insert, UNC Thread, 5/16-18 Thread, Steel, Zinc-Plated, 2 Grade
$9.23$12.99

  • Grade 2 steel construction provides dependable strength for light to medium-duty fastening applications
  • Zinc-plated finish helps protect against corrosion while delivering a clean, professional appearance
  • Nylon insert locking feature resists loosening from vibration and repeated use without damaging threads
  • Coarse thread design allows quick installation and secure engagement in standard tapped materials
  • Cost-effective locking solution ideal for automotive, machinery, construction and general hardware uses

  • Additional Information: Standard Scale
  • Color: Silver
  • Dimensions: 0.329 in THK
  • Finish: Zinc-Plated
  • Grade: 2
  • Hex Size: 1/2 in
  • Material: Steel
  • Thread Size: 5/16-18
  • Thread Type: UNC