3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"

3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"

$32.99
$32.99 $52.99
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3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
  • 3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
  • 3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
  • 3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
  • 3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
  • 3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
  • 3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
  • 3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
  • 3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
  • 3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
  • 3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"
3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"

3/8"-16 Serrated Flange Nuts (50 Pack) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration & Shock SAE J995 0.375"

$32.99
$32.99 $52.99
FREE shipping on this itemShips from West Long Branch, NJ. Typically arrives in 3–7 business days.
30-day returnsChanged your mind? Send it back within 30 days. Return policy
Secure checkoutQuestions? Call 1-888-460-3822 · Mon–Fri 9–5 ET

Key features

  • SAE Grade 8 Alloy Steel: Built for strength, durability, and resistance to loosening under load. SAE J995. 50-pack.
  • Mechanical Locking Serrations: Serrated flange bites into the mating surface to resist vibration and shock.
  • No Nylon Insert: Suitable for applications where heat or environment makes nylon undesirable.
  • Built-In Washer Function: Combines locking action with load distribution—no separate washer needed.
  • Standard 3/8"-16 Coarse Thread: Designed for common coarse-thread bolts used in heavy-duty assemblies. ASME B18.2.2 Dimensional Requirements. SAE J995 Material and Physical Properties. ASME B1.1 Thread Requirements. ASTM F812 Surface Discontinuities. ASME B18.18 Inspection and Quality Assurance. HRC 25/36.

These 3/8"-16 Serrated Flange Nuts provide SAE Grade 8 mechanical locking performance without nylon inserts. The serrated flange grips the mating surface to resist loosening caused by vibration and shock. Ideal for trailers, frames, off-road equipment, and structural assemblies, these nuts combine load distribution and locking action in a single all-metal design.

Free shipping included. 30-day hassle-free returns.

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