S-90344A148 M5 x 8 mm ASTM A574 Socket Head Screws with Flat Washer

Socket Head Screws with Flat Washer

0046FA00039 Socket Head Screws with Flat Washer
0046FA00039 Socket Head Screws with Flat Washer

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Part No.
Part No. 0046FA00039
Equivalent to mcmaster :
90344A148

Basic Information

Screw Features With Washer
System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 8.72 mm
Head Height 5 mm
Socket Head Profile Standard

Dimensions

Length 8 mm

Thread Parameters

Thread Type Metric
Thread Size M5
Thread Pitch 0.8 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 4 mm

Washer & Nut

Washer Type Flat
Washer Material Black-Oxide Steel
Washer OD 15 mm
Washer Thickness 1.8 mm

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C39
Tensile Strength 170000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASTM A574
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with black-oxide finish, ideal for harsh industrial environments
  • Exceptional tensile strength (170,000 psi) ensures reliable performance under high-stress applications
  • Integrated flat washer provides enhanced load distribution and prevents surface damage
  • Precision Class 6g thread fit guarantees consistent engagement and vibration resistance
  • Rockwell C39 hardness delivers excellent wear resistance and long service life
  • Hex socket drive design allows for high-torque installation in confined spaces
  • Full regulatory compliance with ASTM A574, RoHS 3, and REACH standards for global acceptance

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this M5 socket head cap screw combines black-oxide alloy steel construction with precision metric coarse threading to solve critical fastening challenges. The integrated flat washer significantly improves load distribution, reducing the risk of joint loosening in high-vibration machinery and equipment. With 170,000 psi tensile strength and Rockwell C39 hardness, it maintains structural integrity in heavy-duty assemblies while the corrosion-resistant finish ensures longevity in challenging environments. These socket head screws are particularly valuable in automotive, manufacturing, and precision engineering applications where reliable, high-strength metric fasteners are essential for operational safety and performance.

Specification Summary & Compliance

This M5 x 0.8mm x 8mm socket head cap screw features Class 6g thread fit per ISO metric standards with coarse thread pitch for optimal engagement. Manufacturing complies with ASTM A574 specifications for socket head cap screws, ensuring dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental and safety standards for industrial components.

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