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1/2"-20 Grade 8 Serrated Flange Nuts (4 Pack) – Heavy Duty Clear Zinc Fine Thread Locking Fasteners, SAE J995 Vibration Resistant Steel in Kuwait

All-Metal Top Lock Nut Clear Zinc – 4 Pack

KWD 5
Category
Fasteners
SizeAll-Metal Top Lock Nut Clear Zinc – 4 Pack
– 1 +

Special Features

  • SAE Grade 8 Alloy Steel: Built for strength, durability, and resistance to loosening under load. Yellow Zinc Finish. SAE J995. UNF Fine Thread. 4-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 1/2"-20 Fine Thread: Designed for common Fine-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.

Description

These 1/2"-20 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.

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