S-90265A165 M8 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 18-8 stainless steel construction, ideal for harsh environments and reducing replacement costs.
- High mechanical strength and durability with a tensile strength of 70,000 psi and Rockwell B55 hardness for reliable performance under load.
- Precise alignment and smooth rotation ensured by the 30mm shoulder with tight diameter and length tolerances.
- Secure, non-slip installation provided by the 5mm hex socket drive and knurled 16mm head for improved grip.
- Wide compatibility and easy assembly with M8 coarse thread (1.25mm pitch) and Class 5g6g fit for standard metric applications.
- Long-term operational reliability backed by compliance with ISO 7379, RoHS 3, and REACH regulations.
- Optimized for high-shear applications with a minimum shear strength of 35,000 psi for enhanced joint integrity.
Professional Applications & Engineering Value
This M8 shoulder screw is engineered to address critical alignment and wear issues in precision assemblies. The 30mm shoulder length with controlled tolerances acts as a pivot or shaft, preventing component misalignment and reducing bushing wear in machinery, automotive, and automation systems. Made from 18-8 stainless steel, it resists rust and corrosion in demanding environments, while the coarse thread (1.25mm pitch) and Class 5g6g thread fit ensure quick, secure fastening. The hex socket drive and knurled head facilitate installation in tight spaces, making it a reliable choice for high-tensile and high-shear applications where durability and precision are paramount.
Specification Summary & Compliance
This shoulder screw features an M8 x 1.25mm coarse metric thread with a Class 5g6g thread fit for standard tolerance. The shoulder diameter is 10mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 30mm with a tolerance of 0 to 0.25 mm, ensuring precise dimensional accuracy. It is manufactured in accordance with ISO 7379 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.
