S-91900A843 10-32 x 1 1/4" Tamper-Resistant Torx Stainless Steel Button Head Screws
Tamper-Resistant Torx Stainless Steel Button Head 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
- Enhanced tamper resistance with T25 Torx drive to prevent unauthorized access in secure installations.
- Superior corrosion resistance from 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration.
- Precise Class 3A thread fit for smooth assembly and secure fastening in critical applications.
- Durable Rockwell B70 hardness provides excellent wear resistance and long service life.
- Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible use in global markets.
- Partially threaded design allows for optimal grip and alignment in varied material thicknesses.
Professional Applications & Engineering Value
This 10-32 UNF stainless steel rounded head screw is engineered to address common industrial challenges such as tampering, corrosion, and mechanical stress. The 18-8 stainless steel material combined with a passivated finish offers exceptional resistance to rust and chemicals, making it suitable for outdoor equipment, electronic enclosures, and machinery in humid or corrosive settings. The tamper-resistant T25 Torx drive enhances security in public infrastructure, transportation, and access panels, while the Class 3A thread fit ensures tight tolerances for vibration-resistant assemblies. Its high tensile strength and fine UNF threading provide reliable fastening in applications requiring precision and durability, reducing maintenance costs and downtime.
Specification Summary & Compliance
This screw features a 10-32 UNF thread size with Class 3A thread fit for high precision, and it is manufactured to inch system standards. Key dimensions include a head diameter of 0.361", length of 1 1/4", and minimum thread length of 7/8". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements for industrial fasteners.
