S-94775A031 3/8"-16 Thumb Nuts

Key Features & Benefits at a Glance

• Enhanced grip and handling with knurled round head design for secure manual tightening without tools
• Superior corrosion resistance from black-oxide steel finish, extending service life in demanding environments
• Space-saving low profile (3/8" height) ideal for applications with limited clearance
• Reliable coarse thread engagement with 3/8"-16 UNC threads for quick assembly and reduced cross-threading risk
• Precise Class 2B thread fit ensuring consistent performance and compatibility with standard bolts
• Secure mounting options through four 3/16" holes for secondary fastening or safety wiring
• Compliance assurance meeting RoHS 3 and REACH standards for safe industrial use

Professional Applications & Engineering Value

This low profile thumb nut delivers exceptional value in applications requiring frequent adjustments or tool-free maintenance. The black-oxide steel construction provides durable protection against rust and wear, while the knurled head texture ensures positive grip even with oily hands or gloves. Its 3/8"-16 UNC coarse threads enable rapid installation in machinery, electrical enclosures, and production equipment, reducing assembly time. The 1" head diameter offers ample surface for comfortable hand-tightening, making it perfect for access panels, jigs, and prototypes where wrenches are impractical. Four mounting holes allow for secondary securing methods, preventing loosening in high-vibration industrial settings.

Specification Summary & Compliance

Manufactured to precise Class 2B thread fit standards with UNC coarse threads (3/8"-16) and right-hand direction. Dimensions include 1" head diameter, 3/8" height, and four 3/16" mounting holes. 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 for industrial hardware components.