S-93580A647 4-40 x 1/4" Stainless Steel Press-Fit Studs

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• Precision installation with 0.000" to 0.003" hole size tolerance, ensuring secure press-fit without additional tools.
• Full UNC coarse threading provides reliable engagement and faster assembly in various materials.
• Class 2A thread fit guarantees consistent performance and interchangeability in automated production lines.
• RoHS 3 compliance meets environmental regulations, supporting sustainable manufacturing practices.
• Right-hand threading design simplifies installation and removal, reducing assembly time and labor costs.
• Optimized for thin materials with 0.04" minimum thickness, perfect for sheet metal and lightweight applications.

Professional Applications & Engineering Value

These 4-40 UNC stainless steel press-fit studs are engineered to address common challenges in precision assembly, such as maintaining hole integrity and reducing loosening under vibration. Made from durable 18-8 stainless steel, they offer excellent strength and corrosion resistance, making them suitable for electronics, automotive, and aerospace components. The fully threaded design with coarse UNC threads ensures robust holding power in materials as thin as 0.04", while the precise 0.111" hole diameter compatibility minimizes installation errors. This combination enhances reliability in high-stress environments, streamlining production and lowering long-term maintenance costs.

Specification Summary & Compliance

This product adheres to UNC coarse thread standards with a Class 2A thread fit for consistent dimensional accuracy. It is manufactured to meet RoHS 3 (2015/863/EU) compliance, ensuring it is free from hazardous substances. Specifications include a base diameter of 0.191", thread size of 4-40, and right-hand threading, designed for use with a No. 34 drill bit and hole diameters from 0.000" to 0.003" tolerance.