S-90272A083 2-56 x 5/8" ASME B18.6.3 Steel Pan Head Phillips Screws
Steel Pan Head Phillips 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, extending service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable load-bearing capacity and prevents fastener failure under stress
- Class 2A thread fit provides consistent assembly compatibility and reduces cross-threading risks during installation
- Rockwell B70 hardness offers excellent durability and resistance to wear in repetitive fastening applications
- Fully threaded design maximizes grip strength and distributes clamping force evenly across the entire length
- Coarse UNC threading enables quick installation and superior holding power in various materials
- Phillips drive with No. 1 size ensures secure tool engagement and reduces cam-out during high-torque applications
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws with 2-56 UNC coarse threading deliver exceptional performance in industrial assembly where vibration resistance and corrosion protection are critical. The pan head profile provides a low-profile finish while the fully threaded design ensures maximum engagement in electronic enclosures, machinery panels, and automotive components. The Phillips drive system offers reliable installation efficiency, making these industrial screws ideal for production environments requiring consistent, high-volume fastening. The combination of 60,000 psi tensile strength and Rockwell B70 hardness addresses common failure points in dynamic applications, providing engineers with a dependable solution for maintaining structural integrity under mechanical stress.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerances for precise dimensional accuracy. These 5/8" length screws feature right-hand UNC coarse threads and comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
