S-98057A712 5/16"-18 x 3/8" ASME B18.3 Set Screws
Set 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 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Enhanced thread engagement through Class 2A thread fit, ensuring reliable fastening and vibration resistance
- Optimized for high-torque applications with Rockwell B80 hardness, providing excellent durability and wear resistance
- Secure component positioning via the cup tip design, preventing slippage and maintaining precise alignment
- Easy installation and adjustment with the slotted drive style, compatible with standard screwdrivers
- Broad industrial compatibility meeting ASME B18.3 standards, ensuring consistent performance and interchangeability
- Environmentally responsible manufacturing with full RoHS 3 and REACH compliance, safe for regulated industries
Professional Applications & Engineering Value
This 5/16"-18 UNC set screw delivers exceptional engineering value in demanding industrial settings where corrosion resistance and mechanical reliability are critical. Manufactured from 316 stainless steel, it effectively withstands corrosive agents, moisture, and high temperatures, making it ideal for marine, chemical processing, and food equipment applications. The headless slotted design allows for flush mounting in confined spaces, while the coarse UNC threads provide rapid installation and strong holding power. The cup tip ensures firm contact on shafts and components, preventing loosening under dynamic loads. With its Rockwell B80 hardness and precise Class 2A thread fit, this screw addresses common challenges like seizing, stripping, and premature failure, offering a durable fastening solution for machinery, pulleys, and collars.
Specification Summary & Compliance
This set screw features a 5/16"-18 UNC coarse thread with Class 2A thread fit for consistent dimensional accuracy and ease of assembly. It adheres to the ASME B18.3 standard, ensuring reliable performance in mechanical systems. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial use.
