Value Collection -30603-21/4 Hex Head Cap Screw

Product Description

The VALUE COLLECTION -30603-21/4 is a partially threaded hex head cap screw designed for secure fastening in demanding applications. It features a 1/2-13 UNC thread form and a 2-1/4-inch length under head, making it suitable for bolted connections that require both grip length and thread engagement. Manufactured from Grade 316 stainless steel with an uncoated finish, this fastener offers strong corrosion resistance in wet, marine, and chemical-exposure environments. The 3/4-inch hex drive size is compatible with standard wrenches and sockets. This type of fastener is installed by mechanical contractors, maintenance technicians, and industrial tradespeople.

This hex head cap screw is used in general structural, mechanical, and industrial assembly applications where stainless steel fasteners are specified. Grade 316 stainless is commonly selected for outdoor, coastal, or chemically exposed installations where standard steel fasteners would corrode. The partial thread configuration provides a smooth shank section between the head and the threaded portion, which is typical for bolted joint assemblies requiring precise clamping load distribution.

Key Features

• 1/2-13 UNC thread form for broad tool and nut compatibility
• 2-1/4-inch length under head with partial threading for shank grip
• Grade 316 stainless steel construction for superior corrosion resistance
• 3/4-inch hex drive compatible with standard wrenches and impact sockets
• Uncoated finish maintains dimensional consistency for precision fit-up

Compatibility

Designed as a standard 1/2-13 UNC hex head cap screw suitable for use with any 1/2-13 UNC threaded nuts, inserts, or tapped holes following ASME B18.2.1 or equivalent dimensional standards.

Installation Notes

Installation is performed using a 3/4-inch open-end, box, or socket wrench. Shut down and de-energize any equipment before servicing fastened assemblies. Avoid mixing Grade 316 stainless fasteners with dissimilar metals in highly conductive or corrosive environments to minimize galvanic corrosion risk. Follow applicable mechanical and structural codes for torque and joint requirements.