S-91440A197 8-32 x 3/4" ASME B18.6.3 Steel Round Head Combination Phillips/Slotted Screws
Steel Round Head Combination Phillips/Slotted Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Excellent torque transmission through dual Phillips/Slotted drive design, reducing tool slippage and installation damage
- Reliable thread engagement with Class 2A coarse UNC threads ensuring consistent fastening performance
- High mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
- Full threading coverage along the 3/4" length provides maximum grip and load distribution
- Rounded head profile offers smooth surface finish and reduced risk of snagging in assembly operations
- Regulatory compliance meets ASME B18.6.3 standards and environmental regulations for global supply chain compatibility
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel rounded head screws deliver exceptional engineering value in industrial fastening applications where corrosion resistance and mechanical reliability are critical. The zinc-plated steel construction provides essential protection against environmental degradation, while the coarse UNC threads with Class 2A fit ensure rapid installation and vibration resistance in machinery, electrical enclosures, and structural assemblies. The dual Phillips/Slotted drive system accommodates multiple tool types, enhancing installation flexibility in production environments. With 60,000 psi tensile strength and full threading, these fasteners maintain clamping force under dynamic loads, making them ideal for automotive components, industrial equipment, and construction applications where long-term performance is paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread profile. Fully compliant with ASME B18.6.3 specifications for dimensional accuracy and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries. Thread specifications include 8-32 UNC with 0.164" diameter and coarse spacing, manufactured from zinc-plated steel with Rockwell B70 hardness rating.
