S-97345A504 10-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for high-stress applications
• Precise thread engagement with Class 3A fit and 10-24 UNC coarse thread for reliable, vibration-resistant fastening
• Easy installation and removal featuring a knurled socket head with 1/8" hex drive for secure tool grip
• Accurate shoulder positioning with tight diameter and length tolerances ensuring consistent component alignment
• Compliance with industry standards including ASME B18.3 and environmental regulations like RoHS 3 and REACH
• Durable performance backed by Rockwell B79 hardness for long-term wear resistance

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw delivers critical engineering value in applications requiring precise alignment and corrosion resistance. The 10-24 UNC coarse thread with Class 3A fit ensures secure fastening in vibrating machinery, while the knurled socket head prevents tool slippage during high-torque assembly. The generous 2 1/4" shoulder length accommodates rotating parts, bushings, and linkages in automation equipment, conveyor systems, and marine hardware. Manufactured to ASME B18.3 specifications, it solves alignment and durability challenges in industrial applications where material integrity and dimensional accuracy are paramount.

Specification Summary & Compliance

This shoulder screw maintains Class 3A thread fit per UNC standards with shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". It conforms to ASME B18.3 manufacturing specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.