3/8-16 X 1-1/4" Socket Cap Screws | Flat Head Hex Socket Drive | Nylon Patch | Alloy Steel Thermal Black Oxide (100 / Pkg.)

Cap Screws Flat Socket Nylon Patch Alloy Thermal Black Oxide 3/8-16 x 1 1/4 delivers high-strength fastening with a practical nylon patch and a durable thermal black oxide finish for a secure, long-lasting hold in demanding environments.

Key Features

Flat Socket Head provides a recessed, flush profile for a clean finish in tight or visible spaces while allowing easy tool access.

Nylon Patch adds protective cushioning and wear resistance at the interface, helping to reduce surface damage during assembly.

Alloy Construction combines strength and lightweight properties, making these cap screws suitable for demanding mechanical and automotive applications.

Thermal Black Oxide Finish offers improved wear resistance and a low-glare appearance with mild corrosion resistance, ideal for both functional and aesthetic requirements.

Size and Fit: Thread 3/8-16, Length 1 1/4 in. The flat socket head accepts standard hex keys or sockets for versatile installation across projects.

Specifications

Thread size: 3/8-16 • Length: 1 1/4 in • Head style: Flat Socket Cap Screw • Finish: Thermal Black Oxide • Material: Alloy • Patch: Nylon

Applications

Ideal for automotive, machinery, equipment assemblies, and industrial settings where secure fasteners with surface protection are beneficial. Suitable for torque-controlled installations requiring a flush, low-profile fastener.