Price Cut 1/4″-20 X 2-1/2″ Machine Screws Indented Hex Head Steel Zinc Plated (800/Pkg.)

Engineered for durable, secure fastening, these machine screws feature an unslotted indented hex drive, a zinc-plated finish, and precise 1/4-20 threads. Measuring 2 1/2 inches in length, they’re ideal for cabinet, enclosure, and machinery assemblies where a clean, flush appearance and dependable grip are essential.

Product Highlights

Size: 1/4-20

Length: 2 1/2 in

Head/Drive: Unslotted with indented hex drive

Material: Steel

Finish: Zinc plated for corrosion resistance

Type: Machine screw

Why choose unslotted indented hex machine screws: The unslotted design reduces risk of slippage during installation, while the indented hex drive provides a secure fit with a high-torque interface. The zinc plating adds durability against rust and wear in typical indoor environments, making these screws a reliable choice for many standard fastening needs.

Applications

Enclosures and control panels

Metal framework and machinery assemblies

Electrical and electronic equipment mounting

Any tapped hole requiring a 1/4-20, 2-1/2 inch machine screw

Installation Tips

Use a matching indented-hex (Allen) key or driver to maximize engagement and minimize stripping.

Ensure the mating threaded hole is correctly tapped for 1/4-20 threads.

Pair with compatible nuts or blind nuts as needed for secure, vibration-resistant fastening.

Choose these zinc-plated, unslotted indented hex machine screws for dependable performance in a wide range of standard mechanical assemblies, where strength, alignment, and a clean finish matter most.