S-91223A439 M6 x 10 mm 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

316 Stainless Steel Ultra-Low-Profile Socket Head Screws

0031FA00087 316 Stainless Steel Ultra-Low-Profile Socket Head Screws
0031FA00087 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

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Part No.
Part No. 0031FA00087
Equivalent to mcmaster :
91223A439

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 10 mm
Head Diameter Tolerance -0.127mm to 0.127mm
Head Height 2 mm
Socket Head Profile Ultra-Low

Dimensions

Length 10 mm
Shoulder Diameter 6.3 mm
Shoulder Length 2 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 Hex
Drive Size 4 mm

Material & Strength

Material 316 Stainless Steel
Hardness Rockwell B70
Tensile Strength 70000 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

  • Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure.
  • High-strength performance offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable, durable fastening.
  • Precise thread engagement with Class 6g fit, ensuring consistent and secure connections in metric assemblies.
  • Space-saving ultra-low profile head with a 2mm height, allowing installation in tight or flush-mount applications.
  • Easy installation and removal using a standard 4mm hex key, providing a secure, slip-resistant drive.
  • Full thread coverage along the 10mm length for maximum grip and uniform load distribution.
  • Compliance with environmental regulations including RoHS 3 and REACH, ensuring safety and sustainability.

Professional Applications & Engineering Value

This M6 socket head cap screw is engineered to address critical challenges in precision machinery, marine equipment, and chemical processing industries where corrosion resistance and high tensile strength are paramount. The 316 stainless steel material effectively combats rust and degradation from moisture, salts, and industrial chemicals, extending service life in demanding conditions. Its ultra-low profile head minimizes protrusion, making it suitable for compact designs and reducing the risk of snagging. The Class 6g thread fit and coarse M6x1mm thread provide reliable, vibration-resistant fastening, essential for maintaining integrity in dynamic or high-stress assemblies. This combination of material properties and precise engineering ensures dependable performance in applications requiring tight tolerances and long-term reliability.

Specification Summary & Compliance

This metric screw features an M6x1mm coarse thread with a Class 6g thread fit per ISO standards, ensuring dimensional accuracy. The head diameter tolerance is controlled within -0.127mm to 0.127mm for consistent seating. Manufactured from 316 stainless steel, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, affirming its adherence to environmental and safety regulations for industrial use.

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