S-91028A664 M8 JIS B 1181 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments and extending service life
- Reliable mechanical strength ensures secure, long-lasting fastening in demanding industrial applications
- Precision Class 6H thread fit guarantees consistent engagement and reduces the risk of cross-threading or loosening
- Standard coarse metric thread (M8 x 1.25 mm) enables quick and easy installation, saving assembly time
- JIS B 1181 standard compliance provides assurance of dimensional accuracy and interchangeability
- External hex drive design offers excellent tool accessibility and high torque capability
- RoHS 3 compliance ensures environmental safety and meets global regulatory requirements
Professional Applications & Engineering Value
This M8 hex nut is engineered from 18-8 stainless steel to deliver exceptional corrosion resistance, making it a top choice for applications exposed to moisture, chemicals, or outdoor conditions. Its Class 6H thread fit and coarse pitch provide reliable, vibration-resistant connections that minimize maintenance needs in machinery, automotive assemblies, and structural frameworks. Compliant with JIS B 1181, it ensures precise dimensional standards for seamless integration. The external hex drive allows for efficient installation with common tools, enhancing productivity in high-volume manufacturing and maintenance operations where durability and consistent performance are critical.
Specification Summary & Compliance
This hex nut features an M8 size with a 1.25 mm coarse pitch and Class 6H thread fit per metric standards. It conforms to JIS B 1181 manufacturing specifications, with dimensions of 12 mm width and 6.5 mm height. The product is RoHS 3 (2015/863/EU) Compliant, ensuring it meets strict environmental and safety regulations for hazardous substance restrictions.