S-91783A548 1/4"-20 x 1 3/4" ASME B18.6.3 Stainless Steel Round Head Slotted Screws
Stainless Steel Round Head 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 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Exceptional mechanical strength delivering 100,000 psi tensile strength and Rockwell B100 hardness for heavy-duty applications
- Reliable thread engagement with Class 2A thread fit and UNC coarse threads ensuring secure fastening and vibration resistance
- Easy installation and removal thanks to the standard slotted drive and fully threaded design
- Consistent dimensional accuracy with 0.472" head diameter and standardized rounded head profile for uniform performance
- Full regulatory compliance meeting ASME B18.6.3 specifications, RoHS 3, and REACH for global industrial use
- Optimized for right-hand threading applications with 1-3/4" length providing versatile fastening solutions
Professional Applications & Engineering Value
These rounded head slotted screws deliver critical performance advantages in demanding 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 oxidation and chemical exposure in marine, food processing, and outdoor applications. The UNC coarse threading with Class 2A fit ensures rapid installation and superior vibration resistance in assembly lines, machinery, and structural frameworks. With full threading along the 1-3/4" shaft, these screws maintain consistent clamping force across varied material thicknesses, while the slotted drive offers compatibility with standard tools for maintenance and field service operations.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 standards with Class 2A thread fit tolerance for precise engagement. Features 1/4"-20 UNC coarse threads with right-hand direction and standardized rounded head profile (0.472" diameter, 0.175" height). Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
