S-90236A147 M5 x 20 mm ISO 14581 Alloy Steel Torx Flat Head Screws
Alloy Steel Torx 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
- Enhanced corrosion resistance with zinc-plated alloy steel construction, ideal for harsh industrial environments
- Superior torque transmission and reduced cam-out thanks to the T25 Torx drive design
- High tensile strength and reliable performance ensured by the Class 8.8 strength grade
- Excellent thread engagement and holding power from the fully threaded M5 x 0.8mm coarse thread design
- Secure, flush mounting with a standard flat head profile and 90° countersink angle
- Consistent dimensional accuracy with Class 6h thread fit for precise assembly
- Compliance with global standards including ISO 14581, RoHS 3, and REACH for safe, regulated use
Professional Applications & Engineering Value
This M5 flat head screw is engineered to address critical industrial fastening challenges where reliability and durability are paramount. The zinc-plated alloy steel construction provides robust protection against corrosion, extending service life in demanding applications like machinery assembly, automotive components, and outdoor equipment. The Torx T25 drive minimizes tool slippage, allowing for higher torque application and reducing the risk of fastener damage during installation. With a Class 8.8 strength rating and Rockwell C22 hardness, this screw maintains integrity under heavy loads and vibrations. The fully threaded design ensures maximum grip along the entire 20mm length, making it an ideal choice for securing metal sheets, brackets, and structural parts where a flush finish is required.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including Class 6h thread fit for metric coarse threads (M5 x 0.8mm) and a standard 90° countersink angle. It is manufactured in compliance with ISO 14581 specifications for flat head screws. Additionally, it meets regulatory requirements such as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from hazardous substances and safe for various industrial and commercial uses.
