S-98164A226 1/4"-20 x 1 3/4" ASME B18.3 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
- Precise thread engagement with Class 3A fit UNC coarse threads ensuring reliable fastening in high-vibration applications
- High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding industrial loads
- Easy installation and removal with 5/32" hex drive and rounded button head design requiring minimal clearance
- Full thread coverage along the 1-3/4" length provides maximum grip and load distribution
- Regulatory compliance assurance meeting ASME B18.3 specifications while being RoHS 3 and REACH compliant
- Durable surface protection through passivation treatment enhancing corrosion resistance without compromising dimensional integrity
Professional Applications & Engineering Value
These 316 stainless steel rounded head screws with 1/4"-20 UNC coarse threads deliver exceptional performance in corrosive and high-stress environments. The combination of Class 3A thread fit and fully threaded design ensures maximum engagement strength while the passivated finish provides enhanced protection against chemical attack and oxidation. Ideal for industrial equipment assembly, marine hardware, chemical processing systems, and food processing machinery where corrosion resistance and regulatory compliance are critical. The rounded button head profile with hex drive offers streamlined installation in confined spaces while maintaining structural integrity under 70,000 psi tensile loads.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread tolerance for precision fit. Features 1/4"-20 UNC coarse threads with fully threaded 1-3/4" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Material certification includes 316 stainless steel with Rockwell B55 hardness and 70,000 psi tensile strength verification.
