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Hexagonal steel nuts with zinc finish, 100 pieces

Zoro Select

Zoro Select Hex Nut 3/8"-16 Grade 5 Zinc Plated 100 Pack

SKU CH-FQ65-W192H

Grade 5 steel hex nuts with zinc plating, 3/8"-16 UNC threads, 100 per pack

  • Product typeNuts
  • Grade 5 steel delivers reliable strength for structural joints
  • Zinc-plated finish resists corrosion in outdoor and humid environments
  • 100-piece pack covers large projects without reordering
  • UNC 3/8"-16 threads fit standard coarse-thread bolts and studs
  • Manufactured to ASME B18.2.2 dimensional standards for consistent fit

Product Identity

The Zoro Select hex nut is a Grade 5 steel fastener with a 3/8"-16 UNC thread and zinc-plated finish. It is sold in a pack of 100 pieces for maintenance, repair, and assembly tasks requiring inch-series hardware.

Build Integration

Each nut has a 9/16 in hex width and a 21/64 in height to fit standard wrenches and thread depths. The right-hand UNC thread matches common bolts and studs, while the zinc plating resists corrosion in indoor and sheltered outdoor environments.

Thermals and Power

As a passive mechanical component, the nut generates no heat, draws no power, and produces no noise during installation or service. Rockwell hardness ranges from C19 to C30 to maintain clamp load under normal vibration and thermal cycling.

How it compares

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

Price $17.99
Typical for this category: the median of 2,607 items is $18.99.

Specifications

Product
Brand nameZORO SELECT
Product typeNuts

Questions about this item

How many Grade 5 zinc-plated hex nuts come in the pack?

The package contains 100 hex nuts with 3/8"-16 UNC threads, Grade 5 steel and zinc plating.

What are the wrench size and thickness of these nuts?

Each nut has a 9/16 in hex width and a 21/64 in hex height for standard tool fit.

Which dimensional standard do these nuts follow?

They meet ASME B 18.2.2 for inch-series hex nut dimensions and thread tolerances.

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