S-90379A111 M8 x 60 mm JIS B 1180 JIS Medium-Strength Steel Hex Head Screws
JIS Medium-Strength Steel Hex 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 protection with zinc yellow-chromate plating, extending service life in harsh environments
- High tensile strength of 110,000 psi ensures reliable performance under heavy loads and vibration
- Class 8.8 strength grade provides excellent durability for demanding industrial applications
- Fully threaded coarse pitch design enables faster installation and superior holding power
- Precision Class 6g thread fit guarantees consistent engagement and reduces cross-threading risks
- External hex drive head allows for high torque application with standard tools
- JIS B 1180 compliance ensures consistent quality and interchangeability in international projects
Professional Applications & Engineering Value
These M8 hex head screws deliver exceptional engineering value in heavy machinery, structural assemblies, and equipment manufacturing where vibration resistance and long-term reliability are critical. The Class 8.8 steel construction combined with Rockwell C21 hardness provides optimal strength-to-weight ratio, while the zinc yellow-chromate plating offers superior protection against corrosion in outdoor or high-moisture environments. The coarse 1.25mm pitch threading ensures rapid installation and maintains secure fastening even under dynamic loads, making these fully threaded metric screws ideal for construction, automotive, and industrial maintenance applications where downtime reduction is essential.
Specification Summary & Compliance
This M8 x 1.25 x 60mm hex head screw features precision Class 6g thread fit with coarse pitch threading and meets JIS B 1180 specifications. Manufactured from Class 8.8 steel with Rockwell C21 hardness and 110,000 psi tensile strength, these fasteners comply with international metric standards for dimensional accuracy and performance consistency. The zinc yellow-chromate plating provides RoHS and REACH compliant corrosion protection for global industrial applications.
