S-91829A539 10-32 MS51575-22, NASM51575 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, ideal for harsh industrial environments.
- High strength and durability from Rockwell B55 hardness and 70,000 psi tensile strength, ensuring reliable performance under load.
- Precise alignment and secure fit due to the exact 1/4" shoulder diameter and 5/8" length with tight tolerances.
- Easy installation and removal with a standard socket head and slotted drive style for versatile tool compatibility.
- Fine thread engagement with 10-32 UNF Class 2A threads, providing excellent vibration resistance and holding power.
- Compliance with strict standards including MS51575, RoHS 3, and REACH, ensuring safety and regulatory adherence.
- Smooth head texture reduces friction and damage during assembly in precision applications.
Professional Applications & Engineering Value
This precision shoulder screw is engineered to address critical alignment and stability challenges in machinery, automation, and aerospace assemblies. The 18-8 stainless steel construction, combined with a passivated finish, offers exceptional resistance to corrosion and wear, extending service life in demanding conditions. The fine UNF thread and Class 2A fit ensure secure fastening with minimal backlash, crucial for high-vibration environments. Its precise shoulder dimensions (1/4" diameter and 5/8" length) allow for accurate component positioning, reducing assembly errors and improving overall system reliability. Ideal for use in industrial fasteners requiring exact tolerances and compliance with MS51575 specifications.
Specification Summary & Compliance
The screw features a 10-32 UNF fine thread with Class 2A tolerance for precise fit, and shoulder dimensions held to tight tolerances (e.g., diameter: -0.001" to 0", length: 0" to 0.002"). It meets MS51575 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.
