S-90383A110 M4 x 16 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
- Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments.
- High tensile strength of 60,000 psi ensures reliable, vibration-resistant fastening for critical applications.
- Wide pan head design provides a larger bearing surface for secure clamping and reduced risk of surface damage.
- Fully threaded M4 coarse pitch (0.7mm) enables quick installation and strong holding power in various materials.
- Class 6h thread fit guarantees precise, consistent engagement with mating components for repeatable assembly quality.
- Rockwell B71 hardness offers excellent durability and resistance to wear during installation and use.
- Compliance with DIN 921, RoHS 3, and REACH ensures adherence to international mechanical and environmental safety standards.
Professional Applications & Engineering Value
This M4 pan head screw is engineered to address common industrial fastening challenges, such as loosening under vibration and corrosion in harsh conditions. The zinc-plated steel material provides a protective barrier against moisture and chemicals, while the fully threaded coarse pitch design ensures rapid assembly and strong grip in metals, plastics, and composites. The wide rounded head distributes clamping force evenly, preventing damage to sensitive surfaces. Ideal for machinery, electrical enclosures, and automotive components, these slotted drive screws offer a balance of high tensile strength and ease of installation, reducing downtime and maintenance costs in industrial applications.
Specification Summary & Compliance
This screw features a metric M4 x 0.7mm coarse thread with Class 6h tolerance for precise fit, a 16mm length, and a 12mm head diameter. It is manufactured to meet DIN 921 specifications, ensuring dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming it is free from hazardous substances and safe for use in regulated industries.
