S-94128A153 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior strength and durability from alloy steel construction with Rockwell C32 hardness, ensuring long-lasting performance in demanding industrial environments
• Precise component alignment with exact 3/16" shoulder diameter and tight tolerances (-0.001" to 0"), minimizing assembly play and vibration
• Reliable thread engagement through Class 3A thread fit, providing secure fastening with reduced risk of cross-threading
• Versatile installation options with slotted drive design and right-hand UNC coarse threads for compatibility with standard tools
• Space-saving headless design allowing for flush mounting in applications where clearance is limited
• Consistent dimensional stability with precise shoulder length control (0" to 0.005" tolerance) for repeatable assembly results
• Environmental compliance assurance meeting RoHS 3 and REACH standards for sustainable manufacturing practices

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw delivers exceptional engineering value in precision assemblies where component alignment and rotational stability are critical. The alloy steel construction with Rockwell C32 hardness provides the necessary strength to withstand high shear loads and repetitive motion in machinery, automation systems, and precision instruments. The precise shoulder fit with tight diameter and length tolerances ensures accurate positioning of gears, bearings, and rotating components, eliminating the need for additional alignment fixtures. The Class 3A thread fit and coarse UNC threads offer reliable engagement in both metallic and high-density plastic components, while the slotted drive design maintains compatibility with standard installation tools. Ideal for industrial applications requiring exact component spacing and rotational precision, this shoulder screw solves alignment challenges while maintaining structural integrity under operational stresses.

Specification Summary & Compliance

This precision shoulder screw features 8-32 UNC coarse threads with Class 3A thread fit for superior engagement. Critical dimensions include 3/16" shoulder diameter with -0.001" to 0" tolerance and 3/4" shoulder length with 0" to 0.005" tolerance, ensuring precise component alignment. Manufactured from high-strength alloy steel with Rockwell C32 hardness, the screw meets rigorous industrial standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global manufacturing applications requiring strict material restrictions.