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Zoro Select hex nut, 5/8-11 steel grade 5 zinc plated silver finish

Zoro Select

Zoro Select N01300.062.0001 Hex Nut 5/8"-11 Steel Grade 5 Zinc Plated

SKU CH-BTQN-AB7D3

Grade 5 steel hex nut with 5/8"-11 threads and zinc plating for corrosion resistance

  • Product typeNuts
  • Grade 5 steel delivers high tensile strength for demanding fastening
  • Zinc-plated finish resists corrosion in harsh environments
  • ASME B18.2.2 and SAE J995 compliance ensures dimensional accuracy
  • 15/16 in hex width fits standard wrenches for quick installation
  • Made in USA with REACH compliance for regulated applications

Hex Nut 5/8"-11 Grade 5

This zinc-plated steel hex nut conforms to ASME B18.2.2 and SAE J995 standards for general fastening. It suits maintenance crews, equipment assemblers and automotive technicians who need a standard right-hand thread in inch sizes. The small pack quantity supports both field repairs and shop restocking without bulk inventory.

Thermal Noise Power

As a passive fastener the nut generates no heat, produces no sound and draws no electrical power during installation or service. Performance depends entirely on the mating bolt, torque applied and the clamped joint design rather than on the nut itself. Environmental temperature limits follow the base steel and zinc coating rather than an active component rating.

Build Quality Connectors

Manufactured in the USA to Grade 5 specifications the nut offers a 15/16 in hex width and 35/64 in height for standard wrench engagement. The zinc-plated finish resists corrosion in typical shop and under-hood conditions while the unified 5/8"-11 thread mates with matching bolts and studs. California Proposition 65 warnings apply due to chemical content in the coating.

How it compares

Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 70% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand nameZORO SELECT
Product typeNuts

Questions about this item

How do I install the 5/8"-11 hex nut and which step is often done incorrectly?

Thread the nut onto the bolt by hand until the 15/16 in hex face contacts the surface, then tighten with a wrench; the step people skip is verifying the Grade 5 proof load matches the joint design.

What maintenance or replacement will this zinc-plated Grade 5 nut need later?

Inspect the zinc plating for white corrosion after exposure to moisture; replace the nut if the 35/64 in height shows deformation or if threads no longer engage the 11 threads per inch cleanly.

What limit appears first on this steel nut under sustained vibration or load?

The Grade 5 proof load per SAE J995 is reached before thread stripping; once the clamp force drops below the design preload the joint loosens and the nut must be replaced.

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