Value Collection 211135 Hex Head Cap Screw 1/2-20 X 2-1/2 in

Product Description

The VALUE COLLECTION 211135 is a hex head cap screw sized at 1/2-20 x 2-1/2 inches, manufactured from 18-8 stainless steel with a bright, uncoated finish. It features a partially threaded shank and a unified fine thread (UNF) standard. The 1/2-20 designation indicates a 1/2-inch nominal diameter with 20 threads per inch, making it suitable for precision fastening applications where fine thread engagement and corrosion resistance are required. Tradespeople in plumbing, mechanical, and general industrial assembly rely on this grade of fastener where stainless is specified for moisture or chemical exposure environments.

This screw is suited for use in residential and light commercial mechanical assemblies, equipment mounting, and general structural fastening where 18-8 stainless steel is required for corrosion resistance. The partially threaded shank allows for clamping force between joined materials rather than threading through the entire fastener length. Typical applications include equipment brackets, pipe supports, panel fastening, and similar trade installations requiring a UNF-thread stainless fastener of this diameter and length.

Key Features

• 18-8 stainless steel construction provides corrosion resistance in wet and chemically active environments
• Partially threaded shank allows clamping action between fastened materials
• Unified Fine Thread (UNF) standard at 20 threads per inch for precise thread engagement
• Bright, uncoated finish — no plating to interfere with stainless base material properties
• Length under head measured at 2-1/2 inches for consistent installation depth

Compatibility

Designed as a standard inch-series UNF hex head cap screw for use in any application calling for a 1/2-20 x 2-1/2-inch partially threaded fastener in 18-8 stainless steel.

Installation Notes

Install using an appropriately sized hex wrench or socket driver rated for the fastener diameter. Confirm mating threads are clean and free of debris before installation. Avoid over-torquing stainless steel fasteners, as galling can occur without proper lubrication; an anti-seize compound is commonly used with stainless hardware in trade applications. Follow applicable mechanical or structural codes for torque requirements specific to the joint design.