S-91223A426 M4 x 40 mm 316 Stainless Steel Ultra-Low-Profile Socket Head Screws
316 Stainless Steel Ultra-Low-Profile Socket Head 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 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Enhanced durability and strength with Rockwell B70 hardness and 70,000 psi tensile strength for reliable performance under load
- Space-saving ultra-low profile head allows installation in tight spaces where clearance is limited
- Precise Class 6g thread fit ensures smooth assembly and secure fastening in metric applications
- Secure hex drive engagement with 2.5mm drive size prevents stripping and provides efficient torque transmission
- Full thread coverage along the 40mm length offers maximum grip and adjustment flexibility
- Compliance with environmental regulations including RoHS 3 and REACH for safe use in regulated industries
Professional Applications & Engineering Value
This M4 socket head cap screw delivers exceptional engineering value in demanding applications where corrosion resistance, space constraints, and reliable fastening are critical. The 316 stainless steel material provides excellent protection against corrosive elements in marine, chemical processing, and outdoor equipment. The ultra-low profile socket head design solves clearance issues in compact assemblies while maintaining high torque capability. With its Class 6g thread fit and coarse pitch threading, this fastener ensures quick installation and vibration resistance in machinery, automation systems, and precision equipment. The combination of 70,000 psi tensile strength and full threading makes it ideal for applications requiring both structural integrity and adjustment versatility.
Specification Summary & Compliance
This metric socket head cap screw features precise M4 x 0.7mm coarse pitch threading with Class 6g thread fit tolerance according to ISO metric standards. The fastener maintains dimensional accuracy with head diameter tolerance of -0.127mm to 0.127mm. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications requiring compliance with hazardous substance restrictions.
