S-90275A844 10-32 x 3 1/2" 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
- High tensile strength of 60,000 psi provides reliable fastening integrity under substantial mechanical loads
- Precision Class 2A thread fit guarantees smooth installation and secure mating with UNF threaded components
- 82° countersink angle with standard flat head profile enables flush mounting for clean, professional finishes
- Fully threaded design maximizes grip length and load distribution across the entire fastener
- Rockwell B70 hardness rating ensures excellent wear resistance and durability through repeated use
- Slotted drive compatibility offers straightforward installation with standard hand tools
Professional Applications & Engineering Value
These 10-32 UNF flat head slotted screws deliver exceptional engineering value for industrial applications requiring reliable, high-strength fastening solutions. The zinc-plated steel construction provides essential corrosion protection in manufacturing environments, while the fine UNF threading and Class 2A fit ensure precise engagement with mating components. The 82° countersink angle allows for flush installation in machinery, equipment panels, and structural assemblies, eliminating protrusions that could interfere with operation. With 60,000 psi tensile strength and Rockwell B70 hardness, these screws maintain integrity under vibration and dynamic loads, making them ideal for automotive, aerospace, and heavy equipment applications where failure is not an option.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerances for consistent performance. These 3-1/2" fully threaded screws feature UNF fine threading with right-hand direction and standard flat head profile. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe use across global industrial markets.
