S-99602A525 M6 x 20 mm Plastic Hex Head Screws

Plastic Hex Head Screws

0251FA00278 Plastic Hex Head Screws
0251FA00278 Plastic Hex Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0251FA00278
Equivalent to mcmaster :
99602A525

Basic Information

Color Black
System of Measurement Metric

Head Parameters

Head Type Hex
Head Width 10 mm
Head Height 4.7 mm

Dimensions

Length 20 mm

Thread Parameters

Thread Type Metric
Thread Size M6
Thread Pitch 1 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material Nylon Plastic
Hardness Not Rated

Temperature & Environment

Temperature Range -40° to 185° F
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
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Key Features & Benefits at a Glance

  • Superior corrosion resistance ensures long-lasting performance in humid or chemically exposed environments without rust or degradation.
  • Excellent electrical insulation properties prevent short circuits and enhance safety in electrical assemblies and electronic enclosures.
  • Lightweight nylon construction reduces overall assembly weight while maintaining durability for non-structural applications.
  • Precise Class 6g thread fit guarantees smooth installation and reliable engagement with standard metric nuts and threaded holes.
  • Wide temperature tolerance (-40° to 185°F) allows consistent performance across various industrial and outdoor conditions.
  • External hex drive design enables quick, secure tightening with common tools, speeding up assembly processes.
  • RoHS 3 compliance meets stringent environmental regulations, making it suitable for global markets and eco-conscious projects.

Professional Applications & Engineering Value

Engineered for demanding electrical and lightweight industrial applications, these M6 nylon hex head screws solve common pain points like galvanic corrosion and electrical conductivity risks. The black nylon plastic material inherently resists moisture, chemicals, and UV exposure, eliminating the need for additional coatings. With a fully threaded coarse pitch design and Class 6g thread accuracy, they provide secure fastening in plastic, composite, or thin metal assemblies without stripping threads. Ideal for control panels, automotive interiors, and consumer electronics, these screws ensure reliable insulation and reduce weight while complying with RoHS standards for safe, sustainable manufacturing.

Specification Summary & Compliance

This M6 x 1mm coarse pitch screw adheres to metric thread standards with a Class 6g tolerance for precise fit. Dimensions include a 20mm length, 10mm hex head width, and 4.7mm head height. It is fully threaded with a right-hand thread direction and meets RoHS 3 (2015/863/EU) compliance, ensuring no restricted hazardous substances are used in production.

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