S-90275A198 8-32 x 7/8" ASME B18.6.3 Steel Slotted Flat Head Screws
Steel 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
- Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments
- Excellent tensile strength of 60,000 psi provides reliable holding power for critical fastening applications
- Precision Class 2A thread fit guarantees consistent engagement and easy installation while maintaining secure connections
- 82° countersink angle with standard flat head profile enables flush mounting and clean finished appearances
- Rockwell B70 hardness rating ensures durability and resistance to deformation under load
- Full threading along the 7/8" length allows for maximum grip and adjustment flexibility
- Coarse UNC thread pattern facilitates quick assembly and reduces cross-threading risks
Professional Applications & Engineering Value
These 8-32 UNC flat head screws deliver exceptional engineering value through their optimized zinc-plated steel construction and precision Class 2A thread specifications. The combination of 60,000 psi tensile strength and Rockwell B70 hardness addresses common industrial challenges of fastener failure and material fatigue. The 82° countersink angle and standard flat head profile provide seamless integration into machinery, electrical enclosures, and structural assemblies where flush mounting is critical. The coarse UNC threading ensures rapid installation in production environments while maintaining vibration resistance. These slotted drive screws are particularly valuable in maintenance operations and applications requiring traditional tool compatibility.
Specification Summary & Compliance
Manufactured to exact inch system dimensions with precision Class 2A thread fit tolerances, these fully threaded 8-32 UNC screws meet rigorous ASME B18.6.3 mechanical standards. The products maintain full compliance with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations, ensuring safe use across various industrial sectors. The zinc-plated steel composition and right-hand thread direction with coarse thread spacing provide consistent performance matching industry-standard requirements.
