S-97345A218 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life.
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable load-bearing in demanding applications.
• Precise thread engagement with Class 3A fit and UNC coarse threads, ensuring secure fastening and reduced risk of cross-threading.
• Enhanced grip and tool engagement from the knurled head and 5/64" hex socket drive, preventing slippage during installation and removal.
• Accurate component alignment provided by the 3/4" shoulder with tight diameter and length tolerances, minimizing assembly errors.
• Durable material hardness rated at Rockwell B79, resisting wear and deformation under repeated use.
• Compliance with global regulations including RoHS 3 and REACH, making it suitable for international supply chains and sensitive applications.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address common challenges in precision assemblies, such as misalignment and corrosion-induced failure. The UNC coarse thread with Class 3A fit ensures quick, reliable fastening in automated production lines, reducing installation time and improving throughput. The knurled head and hex socket drive provide superior torque transmission, preventing tool cam-out and damage in high-vibration settings like robotics or conveyor systems. With a 3/4" shoulder length and tight tolerances, it facilitates exact pivot points and spacing in machinery, jigs, and electronic enclosures, enhancing overall system accuracy and longevity while meeting RoHS 3 and REACH standards for environmentally conscious manufacturing.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 3A thread fit for superior engagement and UNC coarse threading for efficient assembly. The shoulder features a diameter of 3/32" with a tolerance of -0.004" to -0.002" and a length of 3/4" with a tolerance of -0.005" to 0.005", ensuring consistent performance in precision applications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for industrial and electronic uses without hazardous substances.