S-99468A195 1/4"-20 x 1" ASME B18.6.3 Aluminum Slotted Flat Head Screws
Aluminum Slotted Flat 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
- High strength-to-weight ratio from 2024 aluminum construction, providing reliable fastening without adding unnecessary bulk.
- Superior corrosion resistance ensures long-term durability in demanding industrial environments.
- Precise Class 2A thread fit guarantees smooth installation and secure, vibration-resistant connections.
- 82° countersink angle allows for a flush, professional finish that minimizes snagging and improves safety.
- Fully threaded design offers maximum grip and holding power along the entire shank length.
- Rockwell B55 hardness provides excellent resistance to wear and deformation under load.
- Compliance with major standards including ASME B18.6.3, ensuring interchangeability and reliability in professional applications.
Professional Applications & Engineering Value
This 1/4-20 UNC flat head slotted screw is engineered to solve critical fastening challenges in industrial applications where weight, strength, and corrosion resistance are paramount. The 2024 aluminum material offers a robust yet lightweight solution, preventing galvanic corrosion while maintaining a 50,000 psi tensile strength. The coarse thread spacing and right-hand thread direction facilitate quick and easy installation, even in softer materials or blind holes. The standard flat head profile with an 82° countersink angle ensures a secure, flush fit, eliminating protrusions that could interfere with machinery operation or pose safety hazards. Ideal for aerospace components, electronic enclosures, and precision machinery, this screw delivers consistent performance where reliability cannot be compromised.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC thread with a Class 2A thread fit for standard inch-system applications, ensuring dimensional accuracy and compatibility. It is manufactured in compliance with the ASME B18.6.3 standard for slotted head screws. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for use in global markets.
