S-91801A134 M2.5 x 5 mm DIN 965 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction with passivated finish
• Reliable, secure fastening with fully threaded M2.5 coarse pitch (0.45mm) for quick installation and strong holding power
• Precise, flush mounting enabled by the standard 90° countersink angle and flat head design
• Consistent performance and interchangeability guaranteed by compliance with DIN 965 standard and Class 6g thread fit
• Easy installation with common tools using the Phillips No. 1 drive style
• High tensile strength (70,000 psi) for demanding mechanical applications requiring durable fasteners
• Safe for regulated industries with full compliance to RoHS 3 and REACH environmental directives

Professional Applications & Engineering Value

This M2.5 flat head screw is engineered from 316 stainless steel to solve critical challenges in corrosive or chemically aggressive settings, such as marine hardware, chemical processing equipment, and outdoor enclosures. The passivated finish enhances surface durability, preventing rust and extending service life. Its fully threaded coarse pitch design ensures maximum thread engagement and vibration resistance, while the flat head with 90° countersink allows for a smooth, flush finish that avoids protrusions in assembled products. These features make it an ideal industrial fastener for applications where material integrity, corrosion resistance, and precise assembly are non-negotiable.

Specification Summary & Compliance

This screw meets DIN 965 specifications with a metric thread size M2.5, 0.45mm coarse pitch, and Class 6g thread fit for standard tolerance. It is fully threaded with a length of 5mm, head diameter of 4.7mm, and right-hand thread direction. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from hazardous substances and suitable for global supply chains.