S-90358A146 M8 x 12 mm Alloy Steel Ultra-Low-Profile Socket Head Screws

Alloy Steel Ultra-Low-Profile Socket Head Screws

0030FA00143 Alloy Steel Ultra-Low-Profile Socket Head Screws
0030FA00143 Alloy Steel Ultra-Low-Profile Socket Head Screws

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Part No.
Part No. 0030FA00143
Equivalent to mcmaster :
90358A146

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 13 mm
Head Height 2.7 mm
Socket Head Profile Ultra-Low

Dimensions

Length 12 mm
Length Tolerance -0.127mm to 0.127mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 5g6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 5 mm

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C32
Tensile Strength 140000 psi

Temperature & Environment

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

  • Exceptional tensile strength of 140,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
  • Precision Class 5g6g thread fit guarantees consistent engagement and secure fastening in demanding industrial applications.
  • Black-oxide coating on alloy steel provides enhanced corrosion resistance and a durable, wear-resistant surface.
  • Ultra-low socket head profile allows for installation in tight spaces while maintaining high torque capability with a 5 mm hex drive.
  • Fully threaded design offers maximum grip and adjustability along the entire 12 mm length for versatile assembly needs.
  • Rockwell C32 hardness ensures long-term durability and resistance to deformation under repeated loads.
  • Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for global industrial markets.

Professional Applications & Engineering Value

This M8 socket head cap screw is engineered to address common challenges in precision machinery, automotive assemblies, and heavy-duty equipment. The black-oxide alloy steel construction combats rust and wear, extending service life in harsh environments. Its coarse metric thread with a 1.25 mm pitch facilitates quick installation and high vibration resistance, minimizing loosening. The ultra-low head profile and hex drive design enable efficient torque application in confined spaces, reducing assembly time and improving reliability. Ideal for applications requiring high tensile strength and exact thread fit, this screw ensures secure, long-lasting fastening in critical engineering projects.

Specification Summary & Compliance

This screw features a metric coarse thread (M8 x 1.25 mm) with a Class 5g6g thread fit per ISO standards, ensuring precise dimensional accuracy and length tolerance of -0.127 mm to 0.127 mm. Manufactured from alloy steel with a hardness of Rockwell C32, it meets rigorous performance criteria. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to environmental and safety standards for industrial use.

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