S-90782A124 M8 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
- Enhanced corrosion resistance with black oxide finish for reliable performance in demanding industrial environments
- Superior torque transmission through 4mm hex socket drive for secure installation and removal
- Exceptional mechanical strength with 140,000 psi tensile strength and Rockwell C32 hardness for heavy-duty applications
- Precision alignment capability with 25mm shoulder length providing accurate component positioning
- Improved handling efficiency with knurled head texture ensuring non-slip grip during manual assembly
- Reliable thread engagement with Class 6g metric thread fit ensuring consistent fastening performance
- Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements
Professional Applications & Engineering Value
This M8 shoulder screw delivers critical engineering solutions where precision alignment and robust fastening are paramount. The alloy steel construction with black oxide finish provides exceptional durability against corrosion while maintaining dimensional stability under high stress conditions. The 25mm shoulder length serves as precise locating dowels in machinery, automotive assemblies, and precision equipment, eliminating misalignment issues. The hex socket drive combined with knurled head texture ensures secure tool engagement and manual handling in confined spaces. These metric shoulder screws are engineered to withstand vibration and heavy loads in industrial automation, robotics, and manufacturing equipment where Class 6g thread fit guarantees consistent clamping force and reliable performance.
Specification Summary & Compliance
This precision shoulder screw features M8x1.25 coarse thread with Class 6g thread fit per metric standards, ensuring proper clearance and engagement. Critical dimensions include shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm for precise component alignment. The fastener is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, making it suitable for regulated industries and international manufacturing requirements.
