S-92012A306 1/4"-20 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with 140,000 psi tensile strength and Rockwell C32 hardness for reliable performance in demanding applications
• Precise alignment and secure positioning thanks to the smooth 3/4" shoulder with tight diameter and length tolerances for minimal play
• Corrosion-resistant black oxide finish enhances longevity and provides a professional appearance in various industrial environments
• Easy installation and high torque capability with the 5/32" hex socket drive, allowing for secure fastening in confined spaces
• Wide compatibility and reliable threading with 1/4"-20 UNC coarse threads and Class 2A fit for quick assembly and vibration resistance
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries
• Versatile for machinery and alignment applications due to its robust alloy steel construction and precise shoulder design

Professional Applications & Engineering Value

This alloy steel shoulder screw is engineered to solve critical alignment and mounting challenges in industrial machinery, automation systems, and precision equipment. The 3/4" shoulder length and precise diameter tolerances ensure accurate component positioning, reducing wear and misalignment in rotating assemblies or as a pivot point. The black oxide finish not only resists corrosion but also minimizes friction, while the 1/4"-20 UNC coarse threads with Class 2A fit provide quick, secure fastening that withstands vibrations. Ideal for use as alignment pins or in high-stress joints, this screw's 140,000 psi tensile strength and hex socket drive make it a reliable choice for B2B buyers seeking durability and ease of maintenance in manufacturing and engineering applications.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent precision and ease of assembly. Key dimensional tolerances include a shoulder diameter of 5/16" with a -0.001" to 0" tolerance and shoulder length of 3/4" with 0" to 0.002" tolerance, ensuring exact alignment. Manufactured from high-strength alloy steel, it meets industry requirements for hardness and tensile performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible sourcing and usage in global markets.