S-93580A651 4-40 x 3/4" Stainless Steel Press-Fit Studs

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments.
• Precision press-fit installation ensures secure, vibration-resistant fastening in holes with tight 0.000" to 0.003" tolerance.
• Full UNC coarse threading provides excellent grip and faster assembly in sheet metal and other thin materials.
• Class 2A thread fit guarantees consistent, reliable engagement with mating components for reduced assembly errors.
• RoHS 3 compliance meets stringent environmental regulations, making it suitable for global supply chains.
• Optimized for thin materials with a minimum material thickness of 0.04", ideal for lightweight and compact designs.
• Right-hand threading and full thread length simplify installation and enhance pull-out strength in high-stress applications.

Professional Applications & Engineering Value

This 4-40 UNC press-fit stud is engineered to address common challenges in sheet metal assembly, such as loosening under vibration and corrosion in demanding environments. Made from 18-8 stainless steel, it offers excellent durability and resistance to rust, ensuring reliable performance in electronics enclosures, automotive components, and industrial machinery. The fully threaded design with coarse thread spacing allows for quick, secure fastening in materials as thin as 0.04", minimizing the risk of strip-out. Its precise 0.191" base diameter and compatibility with a No. 34 drill bit (0.111" hole) enable easy installation without specialized tools, reducing assembly time and costs while maintaining high torque resistance and alignment accuracy.

Specification Summary & Compliance

This stud features a Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. It is designed for a hole diameter of 0.111" with a tolerance of 0.000" to 0.003", and complies with RoHS 3 (2015/863/EU) regulations for environmental safety. Key dimensions include a length of 3/4", thread length of 21/32", and right-hand threading, adhering to industry specifications for reliable performance in press-fit applications.