S-90278A502 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
- Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in demanding environments
- Precise alignment and positioning thanks to the 5mm shoulder diameter with tight tolerance for accurate component location
- High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for durable fastening under load
- Secure hex drive engagement with 2.5mm hex socket providing reliable torque transmission and reduced stripping risk
- Easy installation and compatibility with Class 6g metric coarse thread (M4 x 0.7mm) ensuring smooth assembly and interchangeability
- Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
- Optimized shoulder design featuring 3mm length with precise fit for stable bearing surfaces and reduced vibration
Professional Applications & Engineering Value
This M4 shoulder screw delivers critical engineering value in applications requiring precise alignment and rotational control. Manufactured from 18-8 stainless steel, it provides excellent corrosion resistance for machinery, automation systems, and electronic enclosures exposed to moisture or chemicals. The 5mm shoulder diameter with precise tolerance acts as a reliable pivot point or locating dowel, eliminating component misalignment in assemblies. With Class 6g metric coarse threads and hex socket drive, installation remains straightforward while maintaining clamp load integrity. The combination of 70,000 psi tensile strength and controlled shoulder length makes these shoulder screws ideal for securing moving parts in industrial equipment, reducing wear and maintenance frequency.
Specification Summary & Compliance
This precision shoulder screw features M4 x 0.7mm coarse metric thread with Class 6g tolerance. Shoulder diameter maintains -0.025 to 0 mm tolerance while shoulder length holds 0 to 0.05 mm tolerance for precise fit applications. Manufactured to industry standards using 18-8 stainless steel with Rockwell B55 hardness. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.
