S-91746A768 1/4"-20 x 2" 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
- Effortless manual tightening and loosening with a knurled, low-profile round head for maximum grip and comfort without tools.
- Superior corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in harsh environments.
- High mechanical strength and durability with an 80,000 psi tensile strength and Rockwell B83 hardness for demanding applications.
- Quick and secure coarse threading with UNC 1/4"-20 and Class 2A fit for fast assembly and reliable engagement.
- Optimized for space-constrained designs due to its low-profile head and partially threaded shank.
- Compliance with global environmental standards, being RoHS 3 and REACH compliant for safe and responsible use.
- Right-hand thread direction for standard, intuitive installation and removal.
Professional Applications & Engineering Value
This low profile thumb screw is engineered to solve critical challenges in industrial assembly and maintenance. The 18-8 Stainless Steel construction provides excellent resistance to rust and corrosion, making it ideal for applications in electronics, machinery, and outdoor equipment where environmental factors are a concern. The knurled head offers a non-slip surface, enabling high torque application by hand, which is essential for frequent adjustments or in areas where tool access is limited. Its UNC coarse threading ensures rapid installation and a secure hold, reducing assembly time while the Class 2A thread fit guarantees consistent performance and interchangeability. This combination of material and design delivers reliable, tool-free fastening for panels, access doors, and fixtures, enhancing operational efficiency and reducing maintenance downtime.
Specification Summary & Compliance
This thumb screw features a 1/4"-20 UNC coarse thread with a Class 2A thread fit for standard dimensional accuracy and reliable engagement. The product is manufactured from 18-8 Stainless Steel, ensuring high tensile strength (80,000 psi) and hardness (Rockwell B83). It is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.
