S-91783A728 1/2"-13 x 4" ASME B18.6.3 Stainless Steel Round Head Slotted Screws
Stainless 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 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for heavy-duty applications
- Reliable thread engagement with Class 2A thread fit and coarse UNC threading ensuring secure fastening in demanding conditions
- Optimized partial threading providing superior clamping force control across the 4" length
- Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and performance
- Easy installation and removal with traditional slotted drive design and rounded head profile
- Environmental compliance with RoHS 3 and REACH regulations for sustainable manufacturing practices
Professional Applications & Engineering Value
These 1/2"-13 UNC rounded head slotted screws deliver critical performance advantages in industrial settings where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel composition, enhanced by passivated surface treatment, provides exceptional protection against chemical exposure and environmental degradation. The partially threaded design ensures optimal stress distribution, while the coarse UNC thread pattern facilitates quick assembly in structural applications, machinery manufacturing, and heavy equipment maintenance. The combination of 100,000 psi tensile strength and Rockwell B100 hardness makes these 4" screws ideal for high-vibration environments where fastener integrity cannot be compromised.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance and UNC coarse threading (1/2"-13). Fully compliant with ASME B18.6.3 manufacturing specifications, ensuring consistent quality and interchangeability. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming adherence to strict substance restriction guidelines for industrial applications worldwide.
