S-98164A107 6-32 x 3/8" ASME B18.3, ASTM F879 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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 316 stainless steel construction and passivated finish, ideal for harsh chemical and marine environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing performance
- Precision thread engagement with Class 3A UNC coarse threads ensuring secure fastening and vibration resistance
- Easy installation and removal with 5/64" hex drive design providing positive torque transmission
- Full threading capability allowing complete engagement through materials for maximum holding power
- Rounded button head profile offering a low-profile, finished appearance while minimizing snagging hazards
- Regulatory compliance assurance meeting ASME B18.3 specifications and environmental standards including RoHS 3 and REACH
Professional Applications & Engineering Value
This 316 stainless steel rounded head screw delivers critical performance advantages in demanding industrial applications where corrosion resistance and mechanical reliability are paramount. The combination of UNC coarse threading and Class 3A thread fit provides superior engagement in various materials while resisting loosening under vibration. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, making these hex drive screws ideal for chemical processing equipment, marine hardware, food processing machinery, and outdoor applications exposed to weather elements. The rounded button head design presents a clean, professional appearance while reducing the risk of injury from sharp edges, making them suitable for consumer products and equipment where user safety is a concern.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit tolerance for superior engagement. Thread specification follows 6-32 UNC coarse thread standards with full threading along the 3/8" length. Complies with ASME B18.3 mechanical specifications and meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) standards. The 316 stainless steel material provides consistent performance across temperature variations while maintaining structural integrity under the specified 70,000 psi tensile strength rating.
