S-90557A150 M3 x 6 mm DIN 925 Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance from the black-oxide steel finish, extending service life in demanding industrial environments.
• Superior holding power and reliability due to the 60,000 psi tensile strength and Rockwell B71 hardness, preventing stripping and failure.
• Effortless installation and flush fit with the standard 90° countersink angle and flat head profile, ideal for streamlined assemblies.
• Wide compatibility and secure fastening ensured by the M3 x 0.5 mm coarse thread with Class 6g fit, accommodating standard metric components.
• Simplified manual driving using the slotted drive style, offering a classic and accessible fastening solution.
• Deep penetration and engagement provided by the 2.5 mm extended tip, improving grip in pre-tapped or softer materials.
• Guaranteed regulatory compliance meeting DIN 925 standards, RoHS 3, and REACH, ensuring safety and approval for global industrial use.

Professional Applications & Engineering Value

This black-oxide steel flat head screw is engineered to address critical challenges in precision assembly and machinery. The M3 metric thread with a coarse 0.5 mm pitch and Class 6g thread fit ensures rapid installation and vibration resistance, reducing the risk of loosening in dynamic applications. The fully threaded design and extended tip facilitate deeper engagement in materials, providing superior pull-out strength for components in electronics, automotive controls, and industrial equipment. Its slotted drive and 90° countersink angle allow for a seamless, low-profile finish, minimizing protrusion and enhancing aesthetic and functional integrity. Built to withstand harsh conditions, this screw delivers long-term durability and performance where reliability is non-negotiable.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 6g thread tolerance for consistent fit. It is manufactured in compliance with the DIN 925 specification for flat head screws. The product is confirmed to be RoHS 3 (2015/863/EU) compliant under exemption 6(a) and is REACH (EC 1907/2006) compliant as of the latest substance list, ensuring it meets stringent environmental and safety regulations for industrial and commercial use.