S-93015A214 1/4"-20 x 1" 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
- Superior manual grip and torque application with a wide 1" knurled round head, eliminating the need for tools in frequent adjustments.
- Excellent corrosion resistance in various environments due to its durable 18-8 Stainless Steel construction.
- High mechanical strength and reliability with an 80,000 PSI tensile strength and Rockwell B83 hardness for demanding applications.
- Quick and easy engagement facilitated by coarse 1/4"-20 UNC threads and a right-hand thread direction.
- Secure and precise fastening ensured by a Class 2A thread fit and a partially threaded design with an extended tip for accurate alignment.
- Low-profile design saves space and provides a streamlined appearance in assemblies where clearance is limited.
- Compliance with major environmental and safety regulations, including RoHS 3 and REACH, for use in regulated industries.
Professional Applications & Engineering Value
This low-profile knurled thumb screw is engineered to solve common industrial challenges where tool-less, rapid access is required without compromising on strength. The 18-8 Stainless Steel material provides inherent corrosion resistance, making it ideal for equipment in humid or washdown environments, such as in food processing, medical devices, and electronic enclosures. The coarse UNC thread and partial threading allow for faster installation and reduced cross-threading risks, while the extended tip ensures positive engagement in blind holes. Its high tensile strength and Rockwell B83 hardness guarantee that it can withstand repeated use and vibration, delivering long-term reliability and reducing maintenance cycles in industrial assembly and prototyping applications.
Specification Summary & Compliance
This thumb screw features a 1/4"-20 UNC thread with a Class 2A fit for standard dimensional accuracy and interchangeability. The manufacturing adheres to common industrial specifications for inch fasteners. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of restricted hazardous substances and suitable for global markets.
