S-98256A304 10-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior Corrosion Resistance & Lightweight Performance: Crafted from Grade 2 Titanium for excellent durability in harsh environments while reducing component weight.
• Exceptional Mechanical Strength for Demanding Applications: Offers a high 40,000 psi tensile strength and 20,000 psi shear strength to withstand significant operational loads.
• Precision Alignment and Secure Positioning: The 3/4" shoulder length with controlled tolerances ensures accurate part location and smooth rotational movement.
• Reliable, Vibration-Resistant Fastening: Class 3A thread fit on the 10-24 UNC coarse thread provides a secure, precise fit that resists loosening.
• Secure and Efficient Installation: The knurled socket head with a 1/8" hex drive prevents tool slippage for fast and reliable assembly.
• Guaranteed Quality and Interchangeability: Manufactured to meet ASME B18.3 specifications, ensuring consistency and reliability in professional use.
• Safe for Regulated Industries: Compliant with RoHS 3 and REACH regulations, making it suitable for sensitive and global markets.

Professional Applications & Engineering Value

This Grade 2 Titanium Shoulder Screw is engineered to solve critical challenges in precision assembly and motion control systems. The titanium construction provides an optimal balance of high strength-to-weight ratio and excellent corrosion resistance, making it ideal for aerospace, medical devices, and high-performance automotive applications where weight savings and durability are paramount. The 3/4" shoulder acts as a precise axle or pivot point, ensuring components like gears, linkages, and bearings are perfectly aligned and can rotate freely without binding. The knurled socket head and UNC coarse threads facilitate quick, secure installation even in high-vibration environments, reducing assembly time and maintenance needs while providing long-term, reliable performance.

Specification Summary & Compliance

This screw features a 10-24 UNC thread with a Class 3A fit for precision, a shoulder diameter of 1/4" with a tolerance of -0.004" to -0.002", and a shoulder length of 3/4" with a tolerance of -0.005" to 0.005". It is manufactured in compliance with the ASME B18.3 standard and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.