S-98621A126 M4 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 and durability with 18-8 stainless steel construction and TiCN coating, ideal for harsh industrial environments
- Precise component alignment ensured by the 5mm shoulder diameter and 10mm shoulder length with tight tolerances for reliable assembly
- High tensile strength of 70,000 psi and Rockwell B55 hardness for dependable performance under mechanical stress
- Secure and efficient installation with a 2.5mm hex socket drive, preventing stripping and enabling high torque application
- Accurate thread engagement thanks to Class 6g thread fit and M4 x 0.7mm coarse thread spacing for quick, stable fastening
- Compliance with RoHS 3 and REACH regulations for safe, environmentally responsible use in global markets
- Smooth head texture and standard socket profile for easy handling and a clean, professional finish in assembled products
Professional Applications & Engineering Value
This M4 shoulder screw is engineered to address critical alignment and durability challenges in industrial settings. The 18-8 stainless steel material, combined with a TiCN coating, provides exceptional resistance to corrosion and wear, extending service life in machinery, automotive, and electronics applications. The precisely machined shoulder with diameters and lengths held to tight tolerances ensures components like gears and bearings are accurately positioned, reducing vibration and misalignment issues. With a Class 6g thread fit and coarse thread spacing, it offers quick assembly and reliable hold in metric systems, making it a top choice for engineers seeking robust, precision shoulder screw solutions that minimize downtime and maintenance costs.
Specification Summary & Compliance
This shoulder screw features a Class 6g thread fit per metric standards, with precise shoulder diameter tolerance of -0.025 to 0 mm and shoulder length tolerance of 0 to 0.05 mm for accurate assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial use.
