S-94320A740 1/4"-20 x 3/4" Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Tool-free installation and removal with a fully knurled head for maximum hand grip and torque application
- Excellent corrosion resistance and electrical insulation provided by durable Nylon Plastic material
- Reliable performance in varied environments thanks to a wide operating temperature range from -40° to 185° F
- Secure and durable fastening ensured by a high tensile strength of 11,000 psi
- Quick and easy engagement with coarse UNC threads and a Class 2A fit for consistent assembly
- Enhanced usability and grip from the high-profile round head design
- Compliance with environmental and safety standards as it is RoHS 3 (2015/863/EU) Compliant
Professional Applications & Engineering Value
This 1/4-20 UNC thumb screw is engineered for applications requiring frequent adjustments and tool-free operation. The Nylon Plastic construction offers inherent resistance to corrosion, chemicals, and electrical conductivity, making it ideal for electronic enclosures, laboratory equipment, and machinery in sensitive environments. The fully knurled head and high-profile design provide an exceptional grip, reducing hand fatigue and improving operational efficiency. With a coarse thread and Class 2A fit, it ensures quick installation and reliable holding power in plastics and soft materials, solving common issues of stripping and cross-threading. Its temperature resistance and RoHS compliance further support its use in regulated industries, from consumer electronics to industrial assemblies.
Specification Summary & Compliance
This thumb screw adheres to UNC coarse thread standards with a 1/4"-20 thread size and Class 2A thread fit for precise dimensional accuracy. It is fully threaded and features a right-hand thread direction. The product is manufactured in compliance with RoHS 3 (2015/863/EU) regulations, ensuring it is free from hazardous substances, and is suitable for various industrial and commercial applications requiring reliable, tool-free fastening solutions.
