S-90274A228 M4 x 20 mm DIN 963, ISO 2009 Steel Slotted Flat Head Screws
Steel Slotted Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments.
- High tensile strength of 60,000 psi provides reliable fastening under heavy loads, reducing the risk of mechanical failure.
- Precision Class 6h thread fit ensures smooth, secure engagement with mating components, minimizing assembly issues.
- 90° countersink angle and flat head design allows for a flush, unobtrusive finish, ideal for applications requiring a smooth surface.
- Fully threaded M4 coarse pitch (0.7mm) offers excellent holding power and faster installation in various materials.
- Compliance with DIN 963 and ISO 2009 standards guarantees consistent quality and interchangeability for global engineering projects.
- Rockwell B71 hardness enhances durability and wear resistance, extending the screw's service life in repetitive use cases.
Professional Applications & Engineering Value
This M4 flat head screw is engineered to address common industrial challenges such as vibration loosening and corrosion in machinery assembly. The zinc-plated steel material provides a protective barrier against moisture and chemicals, making it suitable for automotive, electronics, and construction applications. With a fully threaded coarse pitch design and slotted drive, it ensures quick, secure fastening in wood, metal, and plastic components. The standard flat head profile and 90° countersink angle allow for seamless integration where a smooth surface is critical, reducing snagging and improving safety. By meeting DIN 963 and ISO 2009 specifications, it delivers reliable performance in precision-driven environments, minimizing downtime and maintenance costs.
Specification Summary & Compliance
This screw features precise Class 6h thread fit per metric standards, ensuring dimensional accuracy for consistent assembly. It complies with DIN 963 and ISO 2009 manufacturing specifications, and is verified to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting safe and sustainable industrial use.
