S-93580A120 4-40 x 1/2" Stainless Steel Press-Fit Studs

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• Precision press-fit installation with ±0.003" hole tolerance ensures secure, vibration-resistant assemblies.
• Full 4-40 UNC coarse threading provides maximum engagement and reliable fastening in sheet metal applications.
• Class 2A thread fit guarantees consistent, high-quality mating with standard nuts and threaded components.
• RoHS 3 compliance meets stringent environmental regulations for global manufacturing and electronics.
• Optimized for thin materials, supporting minimum 0.04" thickness for compact and lightweight designs.
• Right-hand threading enables straightforward installation and compatibility with standard assembly tools.

Professional Applications & Engineering Value

These 18-8 stainless steel press-fit studs are engineered to solve critical challenges in sheet metal assembly, such as maintaining thread integrity in thin-gauge materials. The fully threaded 4-40 UNC design with Class 2A fit ensures reliable performance in electrical enclosures, industrial controls, and telecommunications hardware, where vibration resistance and corrosion protection are paramount. By utilizing a precise 0.111" drill diameter and tight hole tolerance, these studs eliminate the need for additional locking mechanisms, reducing assembly time and improving structural stability in high-volume production environments.

Specification Summary & Compliance

This stud adheres to UNC coarse thread standards with Class 2A external thread fit for consistent dimensional accuracy. Manufactured to PEM® specifications, it supports a drill bit diameter of 0.111" and hole size tolerance from 0.000" to 0.003". The product is fully RoHS 3 (2015/863/EU) compliant, ensuring suitability for regulated industries including electronics and automotive applications.