[50 PKG] Cap Screws Button Socket Nylon Patch Alloy Thermal Black Oxide 5/8-11 X 1 1/2

Cap Screws Button Socket Nylon Patch Alloy Thermal Black Oxide 5/8-11 X 1 1/2 is a rugged, high-performance fastener designed for reliable assembly in mechanical, automotive, and industrial applications. With a button-style socket head, a built-in nylon patch for surface protection, a durable alloy body, and a thermal black oxide finish, this cap screw delivers strong clamping force, reduced galling, and long-lasting corrosion resistance in challenging environments.

Product Overview

Designed for precision and durability, this cap screw provides a clean, low-profile appearance when installed. The nylon patch cushions mating surfaces and helps minimize wear on delicate components, while the 5/8-11 UNC thread and 1-1/2 inch length deliver dependable engagement in a wide range of assemblies. The thermal black oxide finish adds corrosion resistance and a sleek, professional look.

Key Features

• Head Style: Button Socket Cap Screw for recessed fits
• Material: Alloy steel for high strength and durability
• Finish: Thermal Black Oxide for corrosion resistance and a low-gloss, professional finish
• Thread Size: 5/8-11 UNC
• Length: 1-1/2 in
• Nylon Patch: Protects mating surfaces and helps dampen vibration

Specifications

• Diameter: 5/8 in (nominal)
• Thread Pitch: 11 TPI (UNC)
• Length: 1-1/2 in
• Head Type: Button Socket
• Material: Alloy steel
• Finish: Thermal Black Oxide

Applications

Perfect for automotive assemblies, machinery, equipment housings, and other mechanical assemblies where a low-profile, secure fastener is required. The nylon patch protects softer materials beneath the head, while the black oxide finish provides additional protection in moderate corrosive environments.

Installation Tips

Use an appropriately sized hex/Allen driver for a secure fit. Clean threads before installation and apply recommended torque to avoid over-tightening. Store in a dry place to preserve finish and performance.