S-90383A100 M3 x 4 mm DIN 921 Steel Pan Head Slotted Screws
Steel Pan Head Slotted 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
- Enhanced corrosion resistance with zinc-plated steel construction, extending service life in demanding environments
- Superior mechanical strength with 60,000 psi tensile strength and Rockwell B71 hardness for reliable load-bearing performance
- Precise thread engagement with Class 6h fit and M3 x 0.5 mm coarse thread ensuring secure, vibration-resistant fastening
- Broad compatibility with DIN 921 standard, guaranteeing interchangeability and engineering consistency
- Easy installation and removal with slotted drive design on the wide pan head for straightforward manual tool access
- Full-threaded design maximizing grip length and pull-out resistance across the entire 4 mm shaft
- Regulatory compliance meeting RoHS 3 and REACH standards for safe, environmentally conscious industrial use
Professional Applications & Engineering Value
Engineered for industrial fastening where reliability is non-negotiable, these M3 pan head screws deliver exceptional performance in machinery, electronics assembly, and automotive components. The zinc-plated steel provides a protective barrier against oxidation and chemical exposure, while the coarse thread (0.5 mm pitch) and Class 6h thread fit ensure rapid installation and high resistance to loosening under dynamic loads. The fully threaded design and rounded head profile distribute clamping force evenly, reducing point stress and material fatigue. Complying with DIN 921, these metric screws are trusted in precision engineering applications demanding dimensional accuracy and repeatability.
Specification Summary & Compliance
This M3 x 0.5 mm x 4 mm screw features a Class 6h thread fit per ISO metric standards, with manufacturing adhering to DIN 921 specifications for dimensional consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial and commercial use.
