S-90277A216 1/4"-20 x 1" ASME B18.6.3 Steel Binding Head Slotted Screws
Steel Binding 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
- Exceptional corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding environments
- Superior holding power from fully threaded UNC coarse spacing design, providing reliable fastening in various materials
- High tensile strength of 60,000 psi and Rockwell B69 hardness for dependable load-bearing capacity in heavy-duty applications
- Easy installation and removal with slotted drive style and wide rounded binding head profile for enhanced tool access
- Precise thread fit with Class 2A tolerance, ensuring smooth assembly and consistent performance in repetitive use
- Broad compatibility with standard 1/4"-20 UNC threads, making it ideal for replacement or new installations in industrial equipment
- Regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for safe, quality-assured usage worldwide
Professional Applications & Engineering Value
This zinc-plated steel rounded head slotted screw delivers critical engineering value by addressing common industrial fastening challenges. The fully threaded UNC coarse spacing design maximizes grip in soft materials and resists vibration loosening, while the wide binding head profile distributes clamping force evenly to prevent surface damage. With a robust 60,000 psi tensile strength and corrosion-resistant plating, it excels in heavy-duty applications like machinery assembly, electrical enclosures, and automotive components where reliability under stress is paramount. The slotted drive simplifies maintenance in tight spaces, reducing downtime for equipment servicing.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy for consistent performance. It complies with ASME B18.6.3 manufacturing specifications for mechanical and quality requirements. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for industrial and commercial use globally.
