S-93015A228 3/8"-16 x 3 1/2" Thumb Screws
Thumb 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 manual grip and torque application with 1 1/4" diameter knurled head for slip-resistant handling in industrial environments
- Exceptional corrosion resistance and durability through 18-8 stainless steel construction with Rockwell B83 hardness rating
- High mechanical strength under load with 80,000 psi tensile strength for demanding fastening applications
- Precision thread engagement with UNC coarse threading and Class 2A fit ensuring reliable installation
- Low-profile design advantage with round head configuration for applications with limited clearance requirements
- Extended tip functionality providing easier alignment and engagement in assembly operations
- Environmental regulation compliance meeting RoHS 3 and REACH standards for global manufacturing applications
Professional Applications & Engineering Value
This 3/8"-16 thumb screw delivers critical engineering solutions for industrial equipment requiring frequent manual adjustments. The 18-8 stainless steel construction provides excellent corrosion resistance in harsh environments, while the knurled low-profile head ensures positive grip even with oily hands or when wearing gloves. The UNC coarse threading with Class 2A fit enables quick installation and removal without compromising thread integrity. The extended tip facilitates alignment in blind holes, reducing assembly time in production lines, maintenance panels, and electronic enclosures. With partial threading and right-hand thread direction, this heavy-duty fastener is ideal for applications requiring precise clamping force without over-tightening concerns.
Specification Summary & Compliance
This thumb screw features precision 3/8"-16 UNC coarse threads with Class 2A thread fit for consistent engagement and reliable performance. The fastener maintains dimensional accuracy with a total length of 3 1/2" and partially threaded design. Manufacturing compliance includes adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring suitability for regulated industries and international markets.
