S-91746A652 8-32 x 1/2" 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 hand-tightening and adjustment with a prominently knurled, low-profile round head for superior grip without tools.
- Excellent corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in various environments.
- High mechanical strength and durability with a tensile strength of 80,000 psi and a Rockwell B85 hardness for demanding applications.
- Quick and easy coarse thread engagement with the 8-32 UNC thread, simplifying installation and removal.
- Precise and reliable thread fit due to the Class 2A thread tolerance, ensuring consistent performance.
- Secure partial threading allows for controlled clamping force on specific assembly lengths.
- Compliance with major environmental regulations including RoHS 3 and REACH, making it suitable for regulated industries.
Professional Applications & Engineering Value
This 18-8 Stainless Steel Thumb Screw is engineered to solve common industrial challenges where tool-less access, frequent adjustments, and corrosion resistance are paramount. The low-profile knurled head provides a secure, non-slip grip, even with greasy hands or when wearing gloves, making it ideal for panels, access doors, and machinery guards that require regular maintenance. The 8-32 UNC coarse thread ensures rapid installation, reducing assembly time, while the partial threading offers precise stop-lengths to prevent over-tightening. Its robust construction, with high tensile strength, stands up to vibration and repeated use in industrial, electronic, and hardware applications, delivering long-term value and reliability.
Specification Summary & Compliance
This thumb screw features a Class 2A thread fit for standard tolerance and interchangeability, conforming to UNC coarse thread standards. It is manufactured from 18-8 Stainless Steel and is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial components.
