S-92210A589 5/16"-18 x 1 3/4" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws
Stainless Steel Hex Drive Flat Head 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 and passivated finish for long-lasting performance in harsh environments.
- Exceptional holding power from 70,000 psi tensile strength and Rockwell B55 hardness, ensuring reliable, vibration-resistant fastening.
- Precise, secure fit with Class 3A thread fit and UNC coarse threading, reducing cross-threading risks and speeding up assembly.
- Efficient installation and flush seating thanks to the hex drive and 82° countersink angle, ideal for streamlined industrial applications.
- Full threading along the 1-3/4" length provides maximum grip and uniform load distribution across the entire fastener.
- Compliance with ASME B18.3 standards guarantees dimensional accuracy and interchangeability for professional engineering projects.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements.
Professional Applications & Engineering Value
This 18-8 Stainless Steel flat head screw is engineered to address critical industrial challenges, such as corrosion in marine, chemical, or outdoor settings. The passivated finish enhances its natural resistance, preventing rust and extending service life in demanding environments. With a 5/16"-18 UNC coarse thread and Class 3A fit, it ensures quick, secure fastening in metals and plastics, minimizing assembly errors. The hex drive and 82° countersink angle allow for flush mounting, reducing protrusions in machinery and structural assemblies. Ideal for heavy-duty applications like equipment manufacturing, automotive, and construction, this screw delivers reliable performance where high tensile strength and corrosion resistance are paramount.
Specification Summary & Compliance
This flat head screw adheres to precise dimensional standards, including a Class 3A thread fit and UNC coarse threading for consistent performance. Manufactured in compliance with ASME B18.3 specifications, it ensures interchangeability and reliability. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility.
