S-91882A453 3/8"-16 x 3/4" Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Enhanced grip and torque application with a 1-3/8" diameter knurled head for secure manual tightening without tools.
- Superior corrosion resistance and durability due to the black-oxide steel finish, extending service life in demanding environments.
- High tensile strength of 70,000 psi ensures reliable fastening under heavy loads, reducing the risk of failure.
- Rockwell B84 hardness provides excellent wear resistance, maintaining thread integrity over repeated use.
- Easy and quick installation with UNC coarse threading and Class 2A fit, offering smooth engagement and reduced cross-threading risks.
- Full thread coverage along the 3/4" length allows for versatile positioning and secure attachment in various material thicknesses.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets international standards for industrial use.
Professional Applications & Engineering Value
This 3/8"-16 UNC thumb screw is engineered with black-oxide steel and a knurled head to address common industrial challenges like frequent adjustments and high-vibration environments. The coarse UNC threading and Class 2A fit provide quick, reliable fastening without specialized tools, reducing assembly time and minimizing thread damage. Ideal for machinery, electronics, and automotive applications, it offers a robust solution where manual access and high tensile strength are critical, ensuring long-term performance and reduced maintenance costs in heavy-duty industrial settings.
Specification Summary & Compliance
This thumb screw adheres to precise UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) under exemption 6(a)-I and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met. Specifications include a right-hand thread direction, coarse thread spacing, and full threading along the 3/4" length, supporting reliable performance in various industrial applications.
