S-91430A151 M1 x 4 mm DIN 963 Stainless Steel Slotted Flat Head Screws
Stainless Steel Slotted Flat 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 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments
- Precise flush mounting thanks to the 90° countersink angle and flat head design, ideal for applications requiring smooth surface finishes
- High tensile strength of 70,000 psi provides dependable holding power for critical assemblies without failure
- Easy manual installation and adjustment with the slotted drive style, compatible with standard screwdrivers
- Consistent thread engagement achieved through Class 6g thread fit and coarse pitch (0.25 mm), reducing cross-threading risks
- Full threading along the 4 mm length maximizes grip and load distribution in thin materials
- Compliance with DIN 963 standards and environmental regulations guarantees interchangeability and safe use in regulated industries
Professional Applications & Engineering Value
These M1 x 0.25 mm metric flat head screws are engineered to address precision fastening challenges in electronics, instrumentation, and miniature assemblies. The 18-8 stainless steel material, combined with a passivated finish, resists oxidation and chemical exposure, extending service life in demanding conditions. The fully threaded design and coarse thread pitch ensure rapid installation and secure retention in brittle or thin substrates, minimizing the risk of stripping. With a 90° countersink angle and slotted drive, they enable flush mounting for aerodynamic or aesthetic surfaces, while adhering to DIN 963 specifications for consistent performance in industrial and OEM applications.
Specification Summary & Compliance
This screw features a metric thread size M1 with a 0.25 mm coarse pitch and Class 6g thread fit for precise dimensional accuracy. It complies with DIN 963 manufacturing standards, ensuring reliable interchangeability. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations for hazardous substance restrictions.
