1/4″-20 X 5/8″ Machine Screws Indented Hex Washer Head Steel Zinc Plated (2500/Pkg.) Discount

Machine Screws Unslotted Indented Hex Washer Zinc Plated 1/4-20 X 5/8 are precision fasteners designed for reliable mechanical assembly in electronics, equipment, and machinery. This unslotted indented hex washer screw combines a hex drive with a built-in washer under the head for even load distribution and a durable zinc plating that resists corrosion.

Size / Thread: 1/4-20 UNC

Length: 5/8 in (16 mm)

Head type: Indented hex washer

Drive: Hex (unslotted)

Material / Finish: Steel with zinc plating

Key benefits include strong holding power, improved load distribution with a washer under the head, and enhanced corrosion resistance thanks to zinc plating. Suitable for a wide range of applications—from electronics enclosures to general machinery assemblies—where a dependable, standard-thread fastener is required.

Why choose these screws?

Durable zinc-plated finish protects against corrosion in indoor and light-industrial environments.

Indented hex washer head provides a secure drive and distributes pressure over a larger area to reduce pull-through.

Standard 1/4-20 UNC threading ensures broad compatibility with common tapped holes and nuts.