S-93691A340 10-32 MS51576-22, NASM51576 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
- Superior corrosion resistance with 18-8 stainless steel and passivated finish for extended service life in harsh environments
- Precise alignment and pivot function with controlled 1/4" shoulder diameter and 3/4" length for accurate component positioning
- High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding mechanical applications
- Reliable fine-thread engagement with 10-32 UNF Class 2A threads ensuring vibration resistance and secure fastening
- Easy installation and removal using standard 1/8" hex drive tools for efficient assembly and maintenance
- Full regulatory compliance meeting MS51576, RoHS 3, and REACH standards for quality assurance and environmental safety
- Consistent dimensional accuracy with tight shoulder tolerances ensuring repeatable performance in precision assemblies
Professional Applications & Engineering Value
These precision shoulder screws deliver exceptional value in applications requiring accurate alignment and rotational movement. The 18-8 stainless steel construction combined with passivated finish provides reliable corrosion resistance for machinery operating in demanding industrial environments. The 10-32 UNF fine threading with Class 2A fit ensures secure fastening while the precisely machined 1/4" shoulder diameter and 3/4" shoulder length maintain exact component positioning in assemblies, jigs, and rotating mechanisms. The hex drive socket head facilitates straightforward installation in confined spaces, making these shoulder screws ideal for precision equipment, automation systems, and mechanical linkages where dimensional stability and corrosion resistance are critical.
Specification Summary & Compliance
Manufactured to exacting standards, these shoulder screws feature Class 2A thread fit per UNF specifications with precise shoulder diameter tolerance of -0.001" to 0" and shoulder length tolerance of 0" to 0.002". The components fully comply with MS51576 manufacturing specifications and meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring both mechanical reliability and regulatory compliance for industrial applications worldwide.
