S-90042A153 M2.5 x 12 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Sealing Socket Head Screws

0043FA00029 Sealing Socket Head Screws
0043FA00029 Sealing Socket Head Screws

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

Part No.
Part No. 0043FA00029
Equivalent to mcmaster :
90042A153

Basic Information

Screw Features Sealing
System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 4.5 mm
Head Height 2.5 mm
Socket Head Profile Standard

Dimensions

Length 12 mm

Thread Parameters

Thread Type Metric
Thread Size M2.5
Thread Pitch 0.45 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 2 mm

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B85
Tensile Strength 100000 psi

Temperature & Environment

Maximum Pressure 1500 psi
O-Ring Material Silicone Rubber
O-Ring Temperature Range -80° to 400° F
REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3, DIN 912, ISO 4762

Installation & Application

For Maximum Hole Diameter 2.946 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 a silicone rubber O-ring that maintains integrity across a wide temperature range from -80° to 400° F, preventing leaks in demanding environments.
  • Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term durability and reliability in harsh industrial settings.
  • High tensile strength of 100,000 psi provides robust fastening power, reducing the risk of failure under heavy loads and vibrations.
  • Precision Class 6g thread fit ensures easy installation and secure, consistent engagement in metric coarse thread applications.
  • Reliable sealing under high pressure up to 1500 psi, ideal for hydraulic and pneumatic systems where leak-proof connections are critical.
  • Standard 2mm hex drive design allows for efficient tool engagement and torque application, speeding up assembly processes.
  • Compliance with major international standards including ASME B18.3, DIN 912, and ISO 4762, guaranteeing interchangeability and quality assurance.

Professional Applications & Engineering Value

This M2.5 socket head cap screw is engineered to address common challenges in industrial sealing applications, such as fluid leakage and component degradation under extreme conditions. Crafted from 18-8 stainless steel, it offers excellent resistance to corrosion and oxidation, making it suitable for environments exposed to moisture, chemicals, or temperature fluctuations. The integrated silicone rubber O-ring provides a reliable seal that withstands pressures up to 1500 psi, effectively preventing leaks in hydraulic systems, pneumatic equipment, and precision machinery. With a coarse metric thread and Class 6g thread fit, it ensures quick and secure installation, reducing assembly time while maintaining high performance. Ideal for use in automotive, aerospace, and manufacturing sectors, this fastener enhances operational efficiency by minimizing maintenance needs and downtime.

Specification Summary & Compliance

This screw features precise M2.5 x 0.45mm coarse threads with a Class 6g thread fit for consistent dimensional accuracy. It is manufactured in compliance with ASME B18.3, DIN 912, and ISO 4762 standards, ensuring reliable performance and interchangeability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, confirming its safety and environmental compliance for global industrial use.

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