S-98070A925 M4 x 6 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Sealing Stainless Steel Phillips Flat Head Screws

0304FA00187 Sealing Stainless Steel Phillips Flat Head Screws
0304FA00187 Sealing Stainless Steel Phillips Flat Head Screws

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

Part No.
Part No. 0304FA00187
Equivalent to mcmaster :
98070A925

Basic Information

Screw Features Sealing
System of Measurement Metric

Head Parameters

Head Type Flat
Head Diameter 7.5 mm
Head Height 1.35 mm
Flat Head Profile Undercut

Dimensions

Length 6 mm

Thread Parameters

Thread Type Metric
Thread Size M4
Thread Pitch 0.7 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Phillips
Drive Size No. 2
Countersink Angle 90°

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Not Rated
Tensile Strength 70000 psi

Temperature & Environment

Maximum Pressure 6000 psi
O-Ring Material Viton® Fluoroelastomer Rubber
O-Ring Temperature Range -20° to 400° F
REACH Compliant
RoHS Compliant
Specifications Met DIN 965

Installation & Application

For Maximum Hole Diameter 4.546 mm
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior sealing performance with Viton® fluoroelastomer O-rings, ensuring reliable leak prevention in demanding environments.
  • Exceptional corrosion resistance from 18-8 stainless steel and passivated finish, extending service life in harsh conditions.
  • High-pressure capability withstands up to 6000 psi, ideal for hydraulic and pneumatic systems requiring robust sealing.
  • Broad temperature tolerance from -20° to 400°F, maintaining integrity in extreme thermal cycles.
  • Precise thread fit with Class 6g tolerance and coarse pitch for easy installation and secure fastening in metric applications.
  • Optimized head design featuring an undercut flat head for flush mounting and improved aesthetics in finished assemblies.
  • Compliance with industry standards including DIN 965, ensuring consistent quality and interchangeability.

Professional Applications & Engineering Value

These M4 flat head screws are engineered to address critical sealing challenges in industrial equipment, such as fluid power systems, automotive components, and processing machinery. The combination of 18-8 stainless steel and a passivated finish provides excellent resistance to oxidation and chemical exposure, reducing maintenance needs. The integrated Viton® fluoroelastomer O-ring creates a reliable seal against high-pressure fluids and gases, preventing leaks that can lead to system failures. With a right-hand thread and coarse pitch, installation is swift and secure, minimizing assembly time. The undercut flat head ensures a smooth, flush fit, enhancing both safety and appearance in visible applications. Ideal for OEMs and maintenance teams, these screws deliver long-term reliability in high-pressure and temperature-variable environments.

Specification Summary & Compliance

This metric screw features M4 x 0.7mm coarse threads with a Class 6g thread fit for precise dimensional accuracy. It is fully threaded for consistent engagement and meets DIN 965 standards for flat head screw specifications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental and safety regulations are adhered to for industrial use.

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