S-90270A665 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, ideal for harsh industrial environments
- Precise component alignment ensured by the 25mm shoulder with tight +0.05mm length tolerance
- High tensile strength of 70,000 psi provides reliable performance in demanding applications
- Rockwell B55 hardness offers excellent wear resistance and long-term durability
- Easy installation and removal with standard socket head design and slotted drive compatibility
- Secure thread engagement through Class 6g thread fit and coarse M4x0.7 thread pitch
- Environmental compliance with RoHS 3 and REACH regulations for global market acceptance
Professional Applications & Engineering Value
This precision shoulder screw delivers exceptional engineering value in applications requiring accurate alignment and rotational control. The 18-8 stainless steel construction provides excellent corrosion resistance, making it suitable for machinery, automation systems, and electronic assemblies exposed to moisture or chemicals. The 25mm shoulder length with precise tolerances ensures proper component spacing and prevents axial movement, while the M4x0.7 coarse thread with Class 6g fit offers reliable fastening in various materials. The socket head design combined with slotted drive options provides installation flexibility for maintenance and assembly operations. These features make it an ideal solution for precision mechanisms, bearing retention, and pivot applications where dimensional accuracy and durability are critical.
Specification Summary & Compliance
This metric shoulder screw features M4x0.7 coarse threads with Class 6g thread fit tolerance, ensuring proper engagement in industrial applications. The shoulder diameter maintains -0.025 to 0mm tolerance, while the shoulder length is controlled within 0 to +0.05mm for precise alignment. Manufactured from 18-8 stainless steel with Rockwell B55 hardness and 70,000 psi tensile strength, this component complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial use and electronic applications requiring restricted substance compliance.
