S-94128A156 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
- Superior alignment and reduced wear with precise 1/4" diameter shoulder and minimal tolerance for exact component positioning
- Exceptional thread reliability due to Class 3A fit UNF fine threads ensuring tight, secure fastening in high-vibration environments
- Enhanced durability and strength from alloy steel construction with Rockwell C32 hardness for long-lasting performance
- Simplified installation and maintenance with slotted drive design allowing easy manual adjustment in confined spaces
- Optimal space efficiency thanks to headless design maximizing usable shoulder length for compact assemblies
- Consistent performance in precision mechanisms with controlled shoulder length tolerance ensuring repeatable operation
- Environmental regulation compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
This 10-32 UNF shoulder screw delivers critical precision in applications requiring exact component alignment and rotational control. The alloy steel construction with Rockwell C32 hardness provides the necessary strength to withstand repetitive motion and mechanical stress in automation equipment, precision instruments, and rotating assemblies. The Class 3A thread fit combined with fine UNF threads ensures vibration resistance in demanding environments, while the precisely machined shoulder with tight diameter and length tolerances eliminates play in bearing mounts, linkage systems, and guide mechanisms. The headless design with slotted drive facilitates installation in space-constrained applications where traditional bolt heads would interfere with adjacent components.
Specification Summary & Compliance
This precision shoulder screw features 10-32 UNF right-hand threads with Class 3A fit for superior thread engagement. Shoulder dimensions include 1/4" diameter (-0.001" to 0" tolerance) and 3/8" length (0" to 0.005" tolerance) for precise component alignment. Manufactured from alloy steel with Rockwell C32 hardness, the component complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications with strict compliance requirements.
