S-93180A921 M8 x 50 mm DIN 603 Carriage Bolts

Carriage Bolts

0851FA00074 Carriage Bolts
0851FA00074 Carriage Bolts

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Part No.
Part No. 0851FA00074
Equivalent to mcmaster :
93180A921

Basic Information

System of Measurement Metric
Specifications Met DIN 603

Head Parameters

Head Type Rounded
Head Diameter 20.65 mm
Head Height 4.88 mm
Rounded Head Profile Wide
Rounded Head Style Carriage

Neck & Shank Parameters

Neck Type Square
Neck Length 5.6 mm
Neck Width 8 mm

Dimension Parameters

Length 50 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Threading Fully Threaded
Thread Direction Right Hand
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Fit Class 8g

Material & Strength Parameters

Material 316 Stainless Steel
Hardness Rockwell B55
Tensile Strength 70000 psi

Finish & Compliance Parameters

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 industrial and marine environments
  • Enhanced anti-rotation performance due to the square neck design that prevents loosening under vibration
  • High tensile strength of 70,000 psi ensures reliable load-bearing capacity in demanding applications
  • Rockwell B55 hardness provides excellent durability and resistance to wear over time
  • Fully threaded M8 coarse pitch design allows for easy installation and secure fastening in various materials
  • Class 8g thread fit guarantees precise dimensional accuracy and compatibility with standard metric nuts
  • Compliance with DIN 603, RoHS 3, and REACH ensures regulatory adherence for global industrial use

Professional Applications & Engineering Value

This M8 carriage bolt made from 316 stainless steel addresses critical engineering challenges in corrosive and high-stress environments. The fully threaded metric coarse thread (M8x1.25mm) combined with a square neck design provides exceptional anti-rotation properties, preventing fastener failure in vibrating machinery, structural assemblies, and transportation equipment. Its high tensile strength and corrosion resistance make it suitable for marine, chemical processing, and outdoor infrastructure, where durability and compliance with DIN 603 standards are paramount for safety and longevity.

Specification Summary & Compliance

This carriage bolt features precise Class 8g thread fit per metric standards, ensuring dimensional accuracy and interchangeability. It is manufactured to meet DIN 603 specifications for carriage bolts and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally sensitive and industrial applications without hazardous substances.

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