S-91294A438 M16 x 25 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Alloy Steel Hex Drive Flat Head Screws

0310FA00279 Alloy Steel Hex Drive Flat Head Screws
0310FA00279 Alloy Steel Hex Drive Flat Head Screws

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Part No.
Part No. 0310FA00279
Equivalent to mcmaster :
91294A438

Basic Information

System of Measurement Metric

Head Parameters

Head Type Flat
Head Diameter 30 mm
Head Height 7.5 mm
Flat Head Profile Standard

Dimensions

Length 25 mm

Thread Parameters

Thread Type Metric
Thread Size M16
Thread Pitch 2 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 10 mm
Countersink Angle 90°

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C32
Fastener Strength Grade/Class Class 10.9
Tensile Strength 120000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met DIN 7991, ISO 10642
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 tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
  • Exceptional durability from Rockwell C32 hardness and black-oxide coating provides excellent corrosion resistance and extended service life.
  • Precise Class 6g thread fit guarantees smooth installation and secure fastening, minimizing assembly time and rework.
  • 90° countersink angle and flat head design offers a flush finish for clean aesthetics and improved safety in machinery and structural assemblies.
  • 10mm hex drive allows for high-torque application with standard tools, enhancing installation efficiency and grip.
  • Full threading and coarse pitch enable quick engagement and strong holding power in various materials, speeding up production cycles.
  • Compliance with DIN 7991/ISO 10642 ensures consistent quality and interchangeability, supporting global engineering standards.

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this M16 flat head screw combines black-oxide alloy steel construction with a Class 10.9 strength grade to address critical challenges like vibration loosening and material fatigue. The fully threaded right-hand design and coarse metric thread provide rapid installation and robust clamping force in heavy machinery, automotive frames, and construction equipment. Its 90° countersink angle ensures a seamless fit in pre-drilled holes, reducing protrusion risks and enhancing load distribution. Ideal for applications requiring high tensile strength and corrosion resistance, this screw delivers long-term reliability in industrial screws and heavy-duty fasteners, minimizing maintenance downtime and ensuring operational safety.

Specification Summary & Compliance

This fastener adheres to precise metric thread specifications with a Class 6g thread fit and M16x2mm coarse pitch, manufactured in compliance with DIN 7991/ISO 10642 standards. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for global supply chains.

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