S-97760A917 M6 x 30 mm ASME B18.2.3.1M, ISO 898-1 Left-Hand Threaded Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Left-Hand Threaded Medium-Strength Metric Class 8.8 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-plated finish for extended service life in harsh industrial environments
- Exceptional mechanical strength with Class 8.8 rating and 110,000 psi tensile strength for demanding applications
- Precise left-hand threading provides secure fastening in specialized machinery and reverse-rotation systems
- Optimized torque transmission through external hex drive design for efficient installation and removal
- Reliable thread engagement with Class 6h fit and coarse thread spacing for vibration resistance
- Full-threaded design ensures maximum grip length and load distribution across the entire fastener
- Industry-standard compliance meeting ASME B18.2.3.1M and ISO 898-1 specifications for quality assurance
Professional Applications & Engineering Value
These M6 left-hand hex head screws deliver critical engineering solutions where reverse-thread applications prevent loosening under counter-clockwise rotation. The Class 8.8 steel construction provides reliable performance in high-stress environments, while the zinc-plated finish offers essential corrosion protection for outdoor equipment, manufacturing machinery, and automotive assemblies. The coarse metric threading with 1mm pitch ensures rapid installation and superior vibration resistance, making these fully threaded fasteners ideal for maintenance-critical applications requiring dependable left-hand thread security. Their compliance with international standards guarantees consistent performance across global industrial operations.
Specification Summary & Compliance
Manufactured to precise metric dimensions with M6x1mm coarse thread spacing and Class 6h thread fit tolerance. These hex head screws feature a 30mm length with full threading and meet ASME B18.2.3.1M and ISO 898-1 mechanical property requirements. The Class 8.8 strength rating corresponds to 110,000 psi tensile strength and Rockwell C21 hardness, ensuring reliable performance in industrial fastening applications requiring left-hand thread functionality.
