S-97654A626 1/4"-20 x 3" Stainless Steel Flanged Button Head Hex-Drive Screws
Stainless Steel Flanged Button Head Hex-Drive Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction and passivated finish, ideal for harsh industrial environments.
- High-strength performance rated at 70,000 PSI tensile strength and Rockwell B70 hardness for reliable, heavy-duty applications.
- Enhanced torque transmission via 5/32" hex drive, preventing cam-out and ensuring secure fastening.
- Wide flange and rounded button head design distributes clamping force evenly, reducing surface damage and providing a finished appearance.
- Precise Class 3A UNC coarse threading ensures tight, secure fits and faster installation in a variety of materials.
- Fully threaded 3-inch length offers maximum grip and adjustability across the entire shank.
- Compliance with RoHS 3 and REACH regulations guarantees environmental safety and material sustainability.
Professional Applications & Engineering Value
This 1/4"-20 x 3" rounded button head screw is engineered to address common industrial challenges such as vibration loosening and corrosion-induced failure. Manufactured from 18-8 Stainless Steel with a passivated finish, it provides exceptional resistance to rust and chemicals, making it suitable for outdoor equipment, marine hardware, and food processing machinery. The flanged button head design eliminates the need for separate washers, reducing assembly time and component count, while the hex drive allows for high-torque installation without stripping. Its fully threaded UNC coarse thread ensures rapid engagement and strong holding power in metals and plastics, supporting efficient production lines and durable end-products.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC coarse thread with Class 3A fit for high precision and strength. Dimensions include a 3" length, 0.563" flange diameter, and 5/32" hex drive size. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and safe for industrial use.
