S-94955A095 5/16"-18 x 1 1/4" Thumb Screws

Key Features & Benefits at a Glance

• Tool-free installation and adjustment with a knurled thumb head for enhanced grip in tight spaces
• Excellent corrosion and chemical resistance due to durable Nylon construction, ideal for harsh environments
• Reliable fastening under thermal stress with a wide operating temperature range from -40°F to 185°F
• High-strength performance for plastic components, offering a tensile strength of 13,000 psi for secure holds
• Easy, quick threading with UNC coarse threads and a Class 2A fit for smooth engagement and reduced cross-threading risk
• Low-profile, round head design minimizes protrusion, making it suitable for applications where space is limited
• Compliance with strict environmental standards, including RoHS 3 and REACH, ensuring safety and regulatory adherence

Professional Applications & Engineering Value

This 5/16"-18 Nylon Thumb Screw is engineered to address common challenges in industrial assembly and maintenance, where quick access and corrosion resistance are critical. The black Nylon material provides inherent insulation and resistance to moisture, chemicals, and electrical conductivity, reducing the risk of galvanic corrosion in metal-to-plastic joints. Its fully threaded UNC coarse spacing and Class 2A thread fit ensure rapid installation and reliable performance in vibration-prone environments, such as electronic enclosures, machinery panels, and automotive components. The knurled head offers a secure, non-slip grip, enabling efficient hand-tightening without tools, which is essential for frequent adjustments in prototyping, HVAC systems, and consumer electronics. By combining lightweight durability with high tensile strength, this thumb screw streamlines workflows and enhances product longevity in demanding applications.

Specification Summary & Compliance

This thumb screw adheres to precise dimensional standards, including UNC thread specifications with a Class 2A thread fit for consistent accuracy and compatibility. It is fully threaded with a coarse spacing of 18 TPI, a diameter of 0.313", and a length of 1 1/4". The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.