S-91287A409 M20 x 40 mm ISO 4017, DIN 933 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex 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 for long-lasting performance in harsh industrial environments
- High tensile strength of 100,000 psi ensures reliable fastening in demanding heavy-duty applications
- Coarse 2.5mm pitch threading provides faster installation and reduced cross-threading risk
- Class 6g thread fit maintains precise dimensional accuracy for consistent, secure connections
- Fully threaded design offers maximum grip length and uniform load distribution
- External hex drive enables high-torque installation with standard tools for efficient assembly
- Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance
Professional Applications & Engineering Value
These M20 hex head screws deliver exceptional engineering value through their 18-8 stainless steel composition and metric coarse thread design. The combination of 100,000 psi tensile strength and fully threaded configuration solves critical industrial challenges by providing reliable fastening in structural applications, machinery assembly, and heavy equipment manufacturing. The external hex drive facilitates high-torque installation while the Class 6g thread fit ensures precise engagement, reducing assembly time and preventing thread damage. These ISO 4017/DIN 933 compliant fasteners are particularly valuable in applications requiring corrosion resistance and mechanical integrity, from chemical processing equipment to marine installations and construction projects.
Specification Summary & Compliance
This M20 x 2.5mm x 40mm hex head screw features Class 6g thread fit tolerance with coarse thread spacing and fully threaded design. Manufactured to ISO 4017/DIN 933 standards with right-hand thread direction and external hex drive. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors.
