Hillman Fasteners 200123 Hex Cap Screw 3/8-16x1 Grade 5 100PK

Product Description

The HILLMAN FASTENERS 200123 is a Grade 5 hex cap screw designed for general structural and mechanical fastening applications. Manufactured from heat-treated steel with a coarse thread pitch of 3/8-16 and a body length of 1 inch, this fastener meets standard strength requirements for medium-duty assemblies. Each box contains 100 screws, making it a practical supply for job-site stock or shop inventory. Licensed tradespeople, contractors, and maintenance technicians rely on Grade 5 hardware where a step up from standard low-carbon fasteners is required without the cost of Grade 8 specification.

These hex cap screws are suited for residential and light commercial construction, HVAC equipment mounting, plumbing fixture support, electrical enclosure assembly, and general mechanical maintenance. The coarse 3/8-16 thread engages quickly in tapped holes and standard hex nuts, reducing installation time in field conditions. The 100-piece pack format is well suited for contractors who need consistent on-hand supply across multiple service calls or installations.

Key Features

• Grade 5 heat-treated steel construction for medium-to-high strength fastening
• 3/8-16 coarse thread for fast engagement and reliable hold
• 1-inch body length suits a wide range of standard structural and mechanical connections
• 100-piece pack provides job-site-ready bulk quantity
• Hex head drive is compatible with standard 9/16-inch wrenches and sockets

Compatibility

Designed as a standard 3/8-16 coarse-thread hex cap screw suitable for use with any standard 3/8-16 threaded nut, tapped hole, or insert meeting ASME B18.2.1 dimensional specifications.

Installation Notes

Installation should be performed by qualified tradespeople following applicable mechanical and structural codes. Use a calibrated torque wrench when application specifications require controlled clamp load. Ensure mating threads are clean and free of debris before installation. Do not mix Grade 5 fasteners with Grade 8 hardware in the same joint without verifying load requirements.