Hillman Fasteners 200003 Hex Cap Screw 1/4-20 X 1/2 in 100 Pack

Product Description

The HILLMAN FASTENERS 200003 is a Grade 5 hex cap screw in a 100-count pack, sized 1/4-20 x 0.5 inches with coarse thread. Made from heat-treated steel, these fasteners deliver the added tensile strength required for structural and mechanical assemblies in trade applications. The hex drive design accepts standard wrenches and sockets for fast, reliable installation. Grade 5 designation indicates medium-strength carbon steel with a minimum proof load suitable for bolted connections in equipment, brackets, and framing assemblies. Licensed tradespeople, maintenance technicians, and experienced installers reach for this screw when a dependable general-purpose fastener is needed across HVAC, plumbing, and electrical panel work.

This fastener is suited for residential and light commercial applications where a coarse-thread, medium-strength hex cap screw is specified. Common install scenarios include securing equipment mounting brackets, electrical enclosures, plumbing supports, and mechanical assemblies. The 1/4-20 coarse thread pattern provides fast engagement and reliable clamping in steel and other standard substrates. Each box contains 100 screws, making this pack practical for multi-point installations or stocking service vehicles.

Key Features

• Grade 5 heat-treated steel construction for medium-strength bolted connections
• 1/4-20 coarse thread for fast engagement and secure clamping
• 0.5 inch length suits shallow clearance and bracket-mount applications
• Hex cap drive accepts standard wrenches and sockets
• 100-count pack supports multi-point or high-volume install work

Compatibility

Designed as a standard 1/4-20 coarse-thread hex cap screw suitable for use in any application calling for a Grade 5 fastener of this size.

Installation Notes

Installation is performed with a standard open-end, box-end, or socket wrench sized for a 1/4-20 hex cap screw. Follow torque requirements specified by the equipment manufacturer or applicable codes such as the NEC or IFGC for fastener-secured assemblies. De-energize or shut off any equipment before fastening into live electrical enclosures or pressurized systems. Do not substitute a lower-grade fastener where Grade 5 or higher is specified by the equipment manufacturer.