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Zinc plated steel coarse thread fastener with hexagonal head

MIDWEST FASTENER CORP

MIDWEST FASTENER CORP 51046 led light bulb

SKU CH-S9Z3-041X5

A 5/16" x 5/8" x 3" zinc-plated coarse-thread steel fastener, model 51046

  • Zinc-plated steel resists corrosion
  • Coarse threads grip securely in wood or metal
  • 5/16 inch diameter suits standard hardware
  • 3 inch length reaches through thick material
  • Manufacturer model 51046 ensures correct replacement

Midwest Fastener 51046 Hardware

The Midwest Fastener 51046 is a zinc-plated steel fastener with coarse threading measuring 5/16 inch by 5/8 inch by 3 inches. It suits maintenance teams and DIYers who need a standard coarse-thread component for structural or repair work. The product arrives new and ships directly from the manufacturer.

Bulk Order Benefit

Orders reaching 75 dollars or more qualify for free shipping from the manufacturer. This threshold helps project buyers reduce per-unit delivery cost when stocking multiple fasteners. Smaller orders do not receive this shipping concession.

Coarse Thread Specification

The coarse thread profile determines compatibility with matching nuts and tapped holes. Builders requiring fine-thread engagement or metric dimensions must select a different part. Verify the thread series before purchase to avoid fitment issues.

How it compares

Measured against everything we stock in LED Bulbs & Strip Lights, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 56% of the 215 comparable items (median $25.99).

Specifications

Product
Brand nameMIDWEST FASTENER

Questions about this item

How often will the zinc-plated steel threads need replacement under normal use?

The coarse threads are zinc-plated for corrosion resistance, so they typically last the life of the assembly without scheduled replacement unless damaged.

What mechanical limit appears first when the fastener is under continuous load?

The 5/16" diameter shank and 3" length define the shear and tensile capacity, so yield strength of the steel is the first limit reached.

Does the zinc coating affect heat dissipation when the bolt is in a high-temperature joint all day?

The thin zinc layer adds negligible thermal resistance, so heat transfer through the steel shank is effectively unchanged during sustained operation.

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