S-90379A114 M10 x 25 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 resistance with zinc yellow-chromate plating, extending service life in demanding industrial environments
- High tensile strength of 110,000 psi ensures reliable performance under heavy loads and vibration
- Precision Class 6g thread fit provides consistent engagement and reduces cross-threading risks
- Rockwell C21 hardness rating maintains structural integrity and prevents deformation during installation
- Fine 1.25mm pitch threading delivers enhanced clamping force and vibration resistance in critical assemblies
- External hex drive design enables high-torque installation with standard tools for efficient maintenance
- Full compliance with JIS B 1180 specifications guarantees dimensional accuracy and international quality standards
Professional Applications & Engineering Value
These M10 hex head screws with Class 8.8 strength rating are engineered for heavy-duty industrial applications where reliability is paramount. The fine metric threading (1.25mm pitch) provides superior resistance to vibrational loosening in machinery, automotive components, and structural steel connections. The zinc yellow-chromate finish creates a protective barrier against corrosion in humid or chemically aggressive environments, significantly extending maintenance intervals. With Rockwell C21 hardness and 110,000 psi tensile strength, these fully threaded fasteners maintain clamping force under dynamic loads, making them ideal for critical assembly applications where failure is not an option. The external hex drive accommodates high installation torque while the JIS B 1180 compliance ensures consistent quality across production batches.
Specification Summary & Compliance
This metric hex head screw features M10 x 1.25mm fine threading with Class 6g thread tolerance for precision fit. Manufactured to JIS B 1180 specifications with Class 8.8 strength rating, equivalent to ISO 898-1 standards. The 25mm length and fully threaded design provide consistent engagement depth. Zinc yellow-chromate plating meets industry corrosion protection standards while maintaining dimensional accuracy across all critical parameters.
