S-90269A937 M27 ISO 7379 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 316 stainless steel construction, ideal for harsh industrial and marine environments.
- Precise component alignment and pivot points enabled by the 140mm shoulder with controlled tolerances for reliable assembly.
- High mechanical strength offering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications.
- Secure, non-slip fastening with a knurled 45mm socket head and 14mm hex drive for high-torque installation.
- Accurate and durable mating ensured by the M27x3mm coarse thread with Class 5g6g fit for consistent performance.
- Compliance with international standards including ISO 7379, RoHS 3, and REACH for global quality and safety assurance.
- Extended service life due to Rockwell B79 hardness, providing excellent wear resistance in dynamic applications.
Professional Applications & Engineering Value
This M27x3mm shoulder screw is engineered to solve critical alignment and durability challenges in industrial machinery, automation systems, and precision equipment. The 316 stainless steel material offers exceptional resistance to chemicals and moisture, preventing failure in corrosive settings. Its 140mm shoulder length with tight diameter and length tolerances ensures exact positioning of moving parts, reducing wear and maintenance needs. The knurled socket head and 14mm hex drive allow for secure, high-torque fastening, making it ideal for heavy-duty applications where vibration resistance is crucial. By meeting ISO 7379 and environmental standards, it provides reliable performance in sectors like manufacturing, robotics, and marine engineering.
Specification Summary & Compliance
This shoulder screw features an M27x3mm coarse metric thread with a Class 5g6g thread fit for precise engagement. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring high dimensional accuracy. It is manufactured in compliance with ISO 7379 specifications and is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to strict environmental and safety regulations for industrial use.
