S-91185A871 3/8"-16 x 1 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual grip and torque application with multi-lobe head design and 1 1/2" head diameter for secure hand tightening without tools
• Superior corrosion resistance in demanding environments due to 18-8 Stainless Steel construction, ensuring long-term reliability
• Durable, wear-resistant head made from black Acetal Plastic that withstands temperatures from 32° to 180° F
• Precise and secure thread engagement with UNC coarse threading and Class 3A fit for reduced cross-threading and vibration resistance
• Full-length threading for versatile positioning allowing adjustment along the entire 1 1/2" length
• Compliance with strict environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries
• Right-hand thread direction for intuitive installation compatible with standard industrial components

Professional Applications & Engineering Value

This 3/8"-16 thumb screw combines 18-8 Stainless Steel with a black Acetal Plastic multi-lobe head to address common industrial fastening challenges. The UNC coarse thread and Class 3A fit provide quick assembly and high vibration resistance, ideal for machinery panels, electronic enclosures, and fixtures requiring frequent manual adjustments. The Acetal Plastic head offers electrical insulation and chemical resistance, while the stainless steel body ensures corrosion resistance in humid or corrosive settings. Fully threaded and right-hand designed, it simplifies maintenance in industrial applications where tool-free access is critical for efficiency and safety.

Specification Summary & Compliance

This thumb screw features a 3/8"-16 UNC coarse thread with Class 3A fit for precise dimensional accuracy, fully threaded along a 1 1/2" length. It adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory acceptance in global markets.