1/4″-20 X 1-1/4″ Machine Screws Indented Hex Head 18/8 Stainless Steel (1000/Pkg.) Brand New

Machine Screws Unslotted Indented Hex 18/8 Stainless 1/4-20 X 1 1/4 are precision fasteners designed for durable, corrosion-resistant performance in a wide range of assemblies. Featuring an unslotted indented hex drive for a clean profile and a 1/4-20 UNC thread with a 1-1/4 inch length, these screws provide reliable mating and secure clamping in tapped holes and with nuts.

Constructed from 18/8 stainless steel (304), they resist rust, staining, and corrosion in harsh or outdoor environments, making them ideal for automotive, electronics enclosures, machinery, and fixtures.

Key Features

Drive type: Indented Hex Socket (Allen) — unslotted for a flush, tamper-resistant profile

Material: 18/8 stainless steel (AISI 304) for corrosion resistance

Thread size: 1/4-20 UNC

Length: 1-1/4 in

Application: Suitable for tapped holes and nuts in a wide range of assemblies

Specifications

Thread: 1/4-20 UNC

Diameter: 1/4 inch (nominal)

Overall length: 1-1/4 inches

Material: 18/8 stainless steel (304)

Drive: Indented hex socket

Applications

Ideal for electronics enclosures, panel assemblies, machinery, automotive components, and fixtures where a robust, corrosion-resistant fastener with a secure hex drive is required.

Installation and Care

Use a properly sized hex key to tighten the indented hex drive

Ensure mating threads are clean and properly tapped for best performance

Store in a dry environment to preserve stainless steel integrity

Choose these unslotted indented hex machine screws for reliable, corrosion-resistant fastening in your next project.