S-91858A490 M8 x 20 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 316 stainless steel construction, ideal for harsh environments including marine and chemical applications
- Exceptional mechanical strength with 100,000 psi tensile strength for reliable load-bearing performance in demanding assemblies
- Enhanced durability and surface protection through passivated finish, reducing wear and extending service life
- Precise thread engagement with Class 6g fit and coarse 1.25mm pitch, ensuring secure fastening and vibration resistance
- Flush mounting capability with standard 90° countersink angle and flat head design for smooth, unobtrusive surface finishes
- Full-threaded design providing maximum grip length and uniform stress distribution along the entire 20mm shaft
- Comprehensive regulatory compliance meeting DIN 963 specifications plus RoHS 3 and REACH environmental standards
Professional Applications & Engineering Value
Engineered for precision industrial applications, these M8 flat head screws deliver critical performance advantages where corrosion resistance and structural integrity are paramount. The 316 stainless steel composition provides exceptional protection against chemical exposure and atmospheric corrosion, making these metric screws ideal for marine equipment, food processing machinery, and outdoor installations. The fully threaded design with Class 6g thread fit ensures maximum thread contact and superior vibration resistance in dynamic load conditions. Combined with the passivated finish, these fasteners maintain their appearance and mechanical properties even in aggressive environments, while the slotted drive accommodates standard installation tools for efficient assembly operations.
Specification Summary & Compliance
This M8 x 1.25mm x 20mm flat head screw features precision metric coarse threading with Class 6g thread fit tolerance per ISO standards. Manufacturing specifications strictly adhere to DIN 963 dimensional requirements, including the standardized 90° countersink angle. The product demonstrates full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, validated through current SVHC assessment protocols.
