S-91794A741 4-48 x 1/4" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws
Stainless Steel Fillister Head Slotted 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
- Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- High tensile strength of 70,000 psi ensures reliable performance under demanding mechanical loads.
- Fine UNF thread design provides superior holding power and vibration resistance in precision assemblies.
- Class 2A thread fit guarantees consistent, easy installation and interchangeability with standard nuts.
- Rounded fillister head with slotted drive offers a low-profile, secure fit and straightforward manual installation.
- Full threading along the 1/4" length allows for maximum adjustability and grip in varied material thicknesses.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
This 4-48 UNF fine thread screw is engineered to address critical challenges in precision machinery, electronics, and aerospace applications where vibration resistance and corrosion protection are paramount. The 18-8 stainless steel material, combined with a passivated finish, significantly extends service life in humid or chemically aggressive settings, reducing maintenance costs and downtime. The rounded fillister head and slotted drive facilitate easy installation in confined spaces, while the fine thread design ensures secure fastening in thin materials and high-stress assemblies. Ideal for use in control panels, instrumentation, and compact mechanical systems, this screw delivers consistent performance and reliability, meeting the stringent demands of B2B industrial procurement.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit per UNF standards, ensuring precise dimensional accuracy and compatibility. It meets ASME B18.6.3 specifications for dimensional and mechanical requirements, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global markets and environmentally conscious applications.
