S-91263A873 M4 x 30 mm DIN 7991 Alloy Steel Hex Drive Flat Head Screws

Alloy Steel Hex Drive Flat Head Screws

0310FA00083 Alloy Steel Hex Drive Flat Head Screws
0310FA00083 Alloy Steel Hex Drive Flat Head Screws

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

Part No.
Part No. 0310FA00083
Equivalent to mcmaster :
91263A873

Basic Information

System of Measurement Metric

Head Parameters

Head Type Flat
Head Diameter 8 mm
Head Height 2.3 mm
Flat Head Profile Standard

Dimensions

Length 30 mm

Thread Parameters

Thread Type Metric
Thread Size M4
Thread Pitch 0.7 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 2.5 mm
Countersink Angle 90°

Material & Strength

Material Zinc-Plated 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
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
  • Fast delivery
  • Enjoy discounts on bulk purchases
  • Secure Payment
  • Fast Global Shipping

Key Features & Benefits at a Glance

  • Exceptional tensile strength of 120,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
  • High-strength Class 10.9 rating provides superior load-bearing capacity and resistance to deformation under stress.
  • Zinc-plated alloy steel construction offers excellent corrosion resistance, extending service life in harsh industrial environments.
  • Fully threaded M4 coarse pitch design allows for quick installation and secure fastening in a variety of materials.
  • Flat head with 90° countersink angle enables a flush, unobtrusive finish, ideal for applications where a smooth surface is critical.
  • Hex drive (2.5mm) ensures easy, high-torque installation with standard tools, minimizing assembly time and effort.
  • Compliance with DIN 7991, RoHS 3, and REACH guarantees adherence to international quality and safety standards, ensuring product reliability and environmental responsibility.

Professional Applications & Engineering Value

This M4 flat head hex screw is engineered to address critical challenges in heavy-duty industrial settings. Made from zinc-plated alloy steel, it combats corrosion and wear, making it suitable for machinery, automotive assemblies, and structural frameworks exposed to varying environmental conditions. The Class 10.9 strength grade and fully threaded coarse pitch design ensure robust, vibration-resistant connections, preventing loosening in high-stress applications. Its flat head profile with a standard countersink allows for seamless integration into components, reducing protrusion risks and enhancing safety. By meeting DIN 7991 standards, this screw delivers consistent performance, streamlining maintenance and reducing downtime in engineering projects.

Specification Summary & Compliance

This fastener features precise Class 6g thread fit and metric coarse threading (M4 x 0.7mm pitch) for accurate engagement. It adheres to DIN 7991 manufacturing specifications, ensuring dimensional consistency and reliability. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms its environmental safety and suitability for global markets.

🔍
Cancel