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Four zinc-plated square wire lock pins in a pack

MIDWEST FASTENER CORP

MIDWEST FASTENER CORP 67103 Square Wire Lock Pins 4PK hardware

SKU CH-X2EF-D98G8

Four zinc-plated steel square wire lock pins secure components with a quick-release mechanism

  • Product typePins
  • Zinc-plated steel resists corrosion for outdoor use
  • Square wire design locks securely under vibration
  • 3/8" diameter fits standard hardware holes
  • 2-1/2" length spans typical material thickness
  • Four-pack supplies spares for multiple jobs

Lock Pin Set for Detachable Connections

This four-pack of zinc-plated steel lock pins measures 3/8" by 2-1/2" and uses a square wire loop for a secure, tool-free hold. They suit agricultural implements, trailer hitches and industrial linkages where a removable pin must resist vibration. The pack keeps spares on hand for field repairs or scheduled maintenance.

Buyers Needing Other Diameters or Lengths

These pins fit only 3/8" holes at the stated length, so anyone requiring a different diameter, grip length or head style must source another part. They are not suited for permanent riveted joints or applications that demand a threaded fastener with a nut.

3/8" Diameter by 2-1/2" Length

The single specification that decides fit is the 3/8" diameter combined with the 2-1/2" overall length. If the mounting hole or the required grip range differs from these dimensions, the pin will not engage correctly.

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 nameMIDWEST FASTENER
Product typePins

Questions about this item

What hole diameter does the 3/8" lock pin fit?

The pin is sized for a 3/8 inch hole and spans 2-1/2 inches in usable length.

How do I secure the pin once it is inserted?

Push the pin through the aligned holes until the square wire loop snaps over the end, locking it in place.

When should I replace the zinc-plated steel pins?

Replace them if the zinc coating wears through, the wire loop loses spring tension, or the pin shows bending or corrosion.

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