S-97505A106 M3 DIN 923 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 zinc plating that protects against harsh industrial environments
- Exceptional mechanical strength from alloy steel construction, providing 58,000 psi tensile strength for reliable load-bearing applications
- Precision thread engagement with Class 6g tolerance ensuring consistent fit and vibration resistance in assembled components
- Space-saving low profile design with socket head allowing for compact installations where clearance is limited
- Enhanced durability with Rockwell B71 hardness maintaining structural integrity under repeated stress
- Guaranteed dimensional accuracy meeting DIN 923 specifications for consistent shoulder diameter and length across production batches
- Regulatory compliance assurance with RoHS 3 and REACH adherence for environmentally responsible manufacturing
Professional Applications & Engineering Value
These M3 shoulder screws deliver critical precision in applications requiring exact axial positioning and rotational stability. The 4mm shoulder diameter with tight -0.03mm tolerance provides precise bearing surfaces for gears, pulleys, and rotating assemblies, eliminating the need for additional spacers. The 8mm shoulder length maintains consistent standoff distances in electronic enclosures, automotive components, and precision machinery. Manufactured from alloy steel with zinc plating, these fasteners resist corrosion in demanding environments while the low profile socket head enables installation in confined spaces. The Class 6g thread fit ensures secure fastening without cross-threading issues, making them ideal for high-vibration applications where fastener integrity is paramount.
Specification Summary & Compliance
This metric shoulder screw features M3 x 0.5mm coarse right-hand threads with Class 6g thread fit per ISO standards. Shoulder dimensions include 4mm diameter (-0.03mm to 0mm tolerance) and 8mm length (+0.07mm to +0.15mm tolerance). Manufacturing complies with DIN 923 specifications for dimensional consistency. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental responsibility in industrial applications.
