S-92581A530 M8 x 20 mm DIN 464 Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Enhanced manual operation with a 30mm knurled round head for superior grip and torque application without tools
- Exceptional durability from black-oxide steel construction offering corrosion resistance and extended service life
- Reliable fastening performance with a tensile strength of 70,000 psi and Rockwell B84 hardness for high-stress applications
- Precise metric threading with M8 x 1.25 mm coarse thread and Class 6g fit ensuring secure, vibration-resistant connections
- Full-threaded design for maximum engagement and holding power along the entire 20mm length
- Compliance with international standards including DIN 464 for dimensional accuracy and reliable interchangeability
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
This black-oxide steel thumb screw delivers critical advantages in industrial settings where frequent adjustments and reliable fastening are paramount. The knurled head texture and 30mm diameter provide exceptional hand-gripping surface, eliminating the need for tools in applications requiring quick assembly/disassembly. The fully threaded M8 metric screw with 1.25mm coarse pitch ensures rapid installation and secure holding in machinery, electronic enclosures, and jig fixtures. The black-oxide finish adds corrosion resistance, while the raised head profile offers clearance for easy manipulation. Engineered to withstand repetitive use, this thumb screw maintains integrity under vibration and mechanical stress, making it ideal for maintenance panels, access doors, and adjustable components across manufacturing, automation, and equipment sectors.
Specification Summary & Compliance
This thumb screw features M8 x 1.25 mm coarse threading with Class 6g tolerance for precise fit, 20 mm fully threaded length, and dimensional compliance with DIN 464 standard. Manufacturing meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring restricted substance compliance.
