S-94361A312 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
- Exceptional durability with alloy steel construction and Rockwell C32 hardness for long-lasting performance in demanding industrial environments
- Superior corrosion resistance from black oxide finish, extending service life and reducing maintenance requirements
- Precise alignment and positioning ensured by 1/4" shoulder diameter with tight manufacturing tolerances
- High-strength fastening with 140,000 psi tensile strength for critical applications requiring reliable load-bearing capability
- Secure installation and removal through hex drive and knurled head design for improved grip and torque application
- Precision thread engagement with Class 3A UNF fine threads providing superior fit and vibration resistance
- Regulatory compliance meeting RoHS 3 and REACH standards for use in regulated industries and global markets
Professional Applications & Engineering Value
This alloy steel shoulder screw delivers critical engineering solutions where precision alignment and high strength are paramount. The black oxide finish provides essential corrosion protection in industrial environments, while the Class 3A UNF fine threads ensure secure fastening in applications susceptible to vibration loosening. The precisely machined 1/4" shoulder diameter with tight tolerances enables accurate component positioning in machinery, automation systems, and precision instruments. The combination of 140,000 psi tensile strength and Rockwell C32 hardness makes these shoulder screws ideal for high-stress applications including rotating assemblies, pivot points, and structural components where failure is not an option. The hex drive and knurled head facilitate easy installation in confined spaces while preventing tool slippage during torque application.
Specification Summary & Compliance
This shoulder screw features precision Class 3A thread fit with 10-32 UNF fine threads and right-hand thread direction. The shoulder maintains tight dimensional control with shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". The product is manufactured to meet RoHS 3 (2015/863/EU) compliance with exemption 6(a) and REACH (EC 1907/2006) compliance for use in regulated industrial applications and international markets.
