S-91263A530 8-36 x 3/4" ASTM F835 Alloy Steel Hex Drive Flat Head Screws
Alloy Steel Hex Drive 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 alloy steel construction, extending service life in demanding industrial environments
- Exceptional holding power from 130,000 psi tensile strength and Rockwell C39 hardness, preventing fastener failure under high stress
- Precision thread engagement with Class 3A fit and UNF fine threading, ensuring reliable, vibration-resistant connections
- Efficient installation with hex drive design and 82° countersink angle, allowing flush mounting and quick assembly
- Full thread coverage along the 3/4" length, providing maximum grip and load distribution across the entire fastener
- Regulatory compliance with ASTM F835, RoHS 3, and REACH standards, meeting strict industrial and environmental requirements
- Versatile drive compatibility with 3/32" hex drive size, accommodating standard industrial tools for easy maintenance
Professional Applications & Engineering Value
These 8-36 UNF flat head screws deliver critical performance in precision assemblies where vibration resistance and flush mounting are essential. The zinc-plated alloy steel construction provides excellent corrosion protection for machinery, automotive components, and electronic enclosures exposed to harsh conditions. With Class 3A thread fit and UNF fine threading, these screws maintain secure fastening in high-vibration applications while the 82° countersink angle ensures smooth, flush surfaces in precision equipment. The fully threaded design maximizes engagement in thin materials and tight spaces, making them ideal for aerospace, manufacturing, and electronics applications requiring reliable, high-strength fastening solutions.
Specification Summary & Compliance
This 8-36 UNF flat head screw features precision Class 3A thread fit with UNF (Unified National Fine) thread standard and right-hand threading. Manufacturing specifications comply with ASTM F835 standards for mechanical properties and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications worldwide.
