S-93285A112 M3 x 4 mm ASME B18.3.6M Set Screws

Key Features & Benefits at a Glance

• Secure, Non-Marring Fastening: The nylon 6/6 plastic tip prevents damage to shaft surfaces, ensuring a firm grip without scratching or galling.
• Superior Corrosion Resistance: Made from 18-8 stainless steel, this screw offers excellent durability in humid or corrosive environments, reducing maintenance needs.
• High-Temperature Resilience: The green nylon tip maintains integrity across a wide temperature range of -50° to 250° F, ideal for varied operating conditions.
• Precise Thread Engagement: With a Class 6g thread fit and coarse pitch, it ensures easy installation and reliable holding power in metric assemblies.
• Easy Installation with Hex Drive: The 1.5 mm hex drive allows for high-torque application using standard tools, speeding up assembly processes.
• Compact, Headless Design: The headless and short 4 mm length profile saves space, making it perfect for confined or flush-mount applications.
• Regulatory Compliance & Reliability: Meets ASME B18.3.6M standards and is RoHS 3 & REACH compliant, ensuring safe, high-quality performance in regulated industries.

Professional Applications & Engineering Value

This M3 x 0.5mm nylon tip set screw is engineered to address common industrial challenges such as component slippage and surface damage in precision assemblies. The 18-8 stainless steel construction provides robust Rockwell B80 hardness, resisting wear and corrosion in demanding environments like machinery, electronics, and automotive systems. The soft nylon tip acts as a cushion, eliminating marring on shafts and gears while maintaining a secure hold. Its coarse thread and hex drive design facilitate quick, tool-friendly installation, reducing assembly time and improving productivity. Ideal for applications requiring vibration resistance and repeated adjustments, this headless fastener ensures long-term reliability without compromising on performance or compliance.

Specification Summary & Compliance

This metric set screw features precise M3 x 0.5 mm coarse threads with a Class 6g thread fit for consistent engagement. It adheres to the ASME B18.3.6M manufacturing standard, ensuring dimensional accuracy and interoperability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing it is free from hazardous substances and safe for use in various industrial and consumer applications.