S-90276A158 6-32 x 1 3/4" ASME B18.6.3 Steel Round Head Slotted Screws
Steel Round 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
- Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in harsh industrial environments
- High tensile strength of 60,000 psi provides reliable load-bearing capacity for demanding mechanical assemblies
- Class 2A thread fit guarantees smooth installation and secure fastening with standard UNC coarse threading
- Rockwell B69 hardness rating delivers exceptional durability against wear and deformation
- Fully threaded design enables maximum grip length and uniform stress distribution across applications
- Slotted drive compatibility allows for quick installation using standard screwdrivers, reducing assembly time
- Compliance with ASME B18.6.3 ensures dimensional accuracy and interchangeability in precision engineering
Professional Applications & Engineering Value
These 6-32 UNC zinc-plated steel rounded head screws address critical industrial fastening challenges where corrosion resistance and mechanical reliability are paramount. The zinc-plated surface treatment creates a protective barrier against oxidation, making them ideal for outdoor equipment, electrical enclosures, and machinery exposed to moisture. Their coarse UNC threading and Class 2A fit prevent cross-threading while maintaining vibration resistance in dynamic assemblies. The rounded head profile distributes clamping force evenly, reducing surface damage to connected materials. Engineered for heavy-duty applications, these screws provide secure fastening in automotive, construction, and manufacturing sectors where 60,000 psi tensile strength and Rockwell B69 hardness ensure joint integrity under sustained mechanical stress.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit and UNC coarse threading (6-32 size). Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Dimensional accuracy maintained with 1-3/4" length, 0.26" head diameter, and fully threaded right-hand orientation.
