S-92581A350 M5 x 16 mm DIN 464 Thumb Screws

Key Features & Benefits at a Glance

• Enhanced Grip & Tool-Free Operation: Knurled round head with 20mm diameter provides superior manual handling, reducing installation time and eliminating the need for tools in frequent adjustments.
• Exceptional Corrosion Resistance: Black-oxide steel finish offers reliable protection against rust and oxidation, extending service life in demanding industrial environments.
• High Mechanical Strength & Durability: Rockwell B84 hardness and 70,000 psi tensile strength ensure reliable performance under load, resisting deformation and stripping.
• Precision Thread Engagement: M5 x 0.8 mm coarse thread with Class 6g fit enables quick, secure fastening with excellent vibration resistance in a wide range of materials.
• Full Threading for Maximum Holding Power: 16mm fully threaded design provides consistent clamping force along the entire length, ideal for panels and components of varying thickness.
• Raised Head Profile for Easy Access: Elevated round-head design allows for easy finger access in recessed or crowded assembly areas.
• Standardized Quality Assurance: Manufactured to DIN 464 specifications, ensuring dimensional accuracy and interchangeability in metric fastener systems.

Professional Applications & Engineering Value

This black-oxide steel thumb screw is engineered to address common challenges in industrial assembly and maintenance, where tool-free access and repeated adjustments are critical. The M5 coarse thread (0.8 mm pitch) combined with a Class 6g thread fit ensures rapid installation and high vibration resistance in metal, plastic, and composite materials—making it ideal for electronic enclosures, machinery panels, and instrumentation. The knurled head texture offers a secure grip even with oily hands or gloves, reducing slippage and improving operator safety. Its fully threaded 16mm length provides versatile clamping across different material thicknesses, while the black-oxide coating adds a layer of corrosion protection for use in humid or mildly corrosive environments. This thumb screw delivers consistent performance in applications requiring frequent access, such as prototyping, test fixtures, and serviceable equipment, minimizing downtime and enhancing operational efficiency.

Specification Summary & Compliance

This M5 thumb screw features a metric coarse thread (0.8 mm pitch) with Class 6g tolerance for precise fit, and is manufactured in compliance with DIN 464 standards for dimensional consistency. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, ensuring it is free from hazardous substances and suitable for global industrial and electronic applications.