S-92929A257 M4 x 25 mm ASME B18.6.7M Plastic Slotted Flat Head Screws
Plastic 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
- Excellent corrosion resistance due to nylon plastic construction, ideal for humid or chemically aggressive environments without risk of rust.
- Wide temperature tolerance from -40° to 185°F ensures reliable performance in both freezing and elevated temperature applications.
- Secure and precise fit with Class 6g thread tolerance and coarse 0.7mm pitch, enabling quick assembly and reduced cross-threading risks.
- Full threading along the 25mm length provides maximum grip and uniform load distribution in fastened materials.
- Standard flat head with 90° countersink allows for a flush, low-profile finish that enhances safety and aesthetics.
- Compliance with ASME B18.6.7M guarantees dimensional consistency and interchangeability in metric assemblies.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict international regulations for hazardous substances.
Professional Applications & Engineering Value
This M4 nylon flat head screw is engineered to address common industrial challenges such as galvanic corrosion, electrical insulation needs, and weight reduction. Made from durable nylon plastic, it naturally resists moisture, chemicals, and oxidation, making it a superior alternative to metal fasteners in electronics, marine equipment, and food processing machinery. The fully threaded design and Class 6g thread fit ensure tight, reliable connections that withstand vibration and thermal cycling. Its slotted drive offers straightforward installation with standard tools, while the flat head profile sits flush to prevent snagging and improve product aesthetics. Ideal for applications demanding corrosion-resistant, lightweight, and non-conductive fastening solutions.
Specification Summary & Compliance
This screw features an M4 x 0.7mm coarse metric thread with a Class 6g tolerance for precise fit, a length of 25mm, and a standard flat head with 90° countersink. It is manufactured in compliance with ASME B18.6.7M for dimensional accuracy and is certified RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to environmental and safety standards.
