Bowmalloy 36033 Hex Head Cap Screw 5/16-18 X 2 in Grade 9

Product Description

The BOWMALLOY 36033 is a Grade 9 alloy steel hex head cap screw designed for high-strength fastening applications in mechanical, structural, and industrial assemblies. Measuring 5/16-18 thread size at 2 inches in length under the head, this fastener is partially threaded and finished with a clear zinc chromate coating that provides corrosion resistance in demanding service environments. Grade 9 alloy steel delivers tensile strength beyond standard Grade 5 or Grade 8 fasteners, making it well suited for assemblies subject to vibration, torque load, or elevated stress. Electricians, HVAC technicians, plumbers, and general tradespeople use fasteners of this class when structural integrity and finish durability are required.

This cap screw is used across residential and commercial trade applications including equipment mounting, panel and bracket attachment, mechanical component assembly, and field fabrication. The 5/16-18 UNC thread pattern is a common inch-series size found throughout HVAC equipment frames, plumbing fixture supports, electrical enclosures, and general-purpose structural connections. The clear zinc chromate finish is appropriate for indoor and mildly corrosive environments where a clean appearance and baseline rust resistance are needed.

Key Features

• Grade 9 alloy steel construction for high tensile and proof load strength
• 5/16-18 UNC inch-series thread for broad tool and hardware compatibility
• 2-inch length under head with partial threading for secure clamping engagement
• Clear zinc chromate finish provides corrosion resistance and a clean appearance
• Hex head drive accepts standard 1/2-inch wrenches and sockets
• UNSPSC Code 31161501 for streamlined procurement and catalog classification

Compatibility

Designed as a standard inch-series hex head cap screw for use in any application requiring a 5/16-18 UNC threaded fastener in Grade 9 alloy steel with a clear zinc chromate finish.

Installation Notes

Installation should be performed by qualified tradespeople following applicable mechanical and structural codes. Power down or de-energize any equipment before fastening into electrical enclosures or live assemblies. Use a calibrated torque wrench and apply torque values appropriate for Grade 9 fasteners at this thread size per the relevant fastener standard. Do not mix Grade 9 hardware with lower-grade nuts or threaded inserts, as mismatched grades can compromise joint integrity.