S-93996A404 10-32 Shoulder Screws
Shoulder Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Permanent vibration resistance with nylon patch thread locker, ensuring secure fastening in high-stress environments
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial conditions
- High tensile strength of 70,000 psi for reliable load-bearing capacity in demanding applications
- Precise Class 2A thread fit for smooth assembly and consistent performance with minimal backlash
- Wide temperature tolerance (-70° to 250°F) allowing stable operation in extreme thermal environments
- Accurate 1/4" shoulder diameter with tight tolerances for exact alignment in machined components
- Compliance with RoHS and REACH standards ensuring environmental safety and global regulatory acceptance
Professional Applications & Engineering Value
This 10-32 UNF fine thread shoulder screw is engineered to address critical challenges in precision assembly and vibration-prone systems. The permanent nylon patch thread locker eliminates the need for secondary adhesives, providing consistent locking force that withstands mechanical shocks and thermal cycling from -70° to 250°F. Manufactured from 18-8 stainless steel with Rockwell B55 hardness, it offers excellent corrosion resistance while maintaining 70,000 psi tensile strength for high-stress applications. The precise shoulder diameter and Class 2A thread fit ensure perfect alignment in jigs, fixtures, and rotating assemblies, reducing wear and maintenance cycles. Ideal for robotics, automotive, and aerospace applications where vibration resistance and dimensional accuracy are paramount.
Specification Summary & Compliance
This shoulder screw features 10-32 UNF fine threads with Class 2A thread fit for precision engagement. The shoulder maintains a 1/4" diameter with tight tolerances (-0.001" to 0") and 1/8" length (0" to 0.002" tolerance). Manufactured in accordance with standard inch system specifications with right-hand thread direction and socket head drive. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.
