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M3 M4 M5 5/16 Zwart roestvrij staal gesloten stopkop kop stap schroef schouderbouten

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July 02, 2025
Category Connection: Schouder schroef
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Tags:
#Houten schroeven zonder kop #Schroeven voor remschijven #Schroef met stap
Brief: Discover the ISO 7379 M3 M4 M5 5/16 Black Alloy Steel Allen Socket Cap Head Step Screw Shoulder Bolts, engineered for precision alignment and load distribution. These high-strength bolts feature a black oxide finish, socket cap head, and unthreaded shoulder, ideal for machinery, automotive, and automation systems. Fully compliant with ISO 7379 standards.
Related Product Features:
  • ISO 7379 compliant for dimensional precision and interchangeability.
  • Made from high-strength 10.9/12.9 alloy steel with tensile strength up to 1,200 MPa.
  • Black oxide finish for corrosion resistance and a sleek appearance.
  • Socket cap head with Allen drive for secure tightening using standard hex keys.
  • Low-profile head design minimizes protrusion in compact assemblies.
  • Unthreaded shoulder ensures precise alignment of bearings or rotating parts.
  • Smooth bearing surface reduces friction and wear on mating components.
  • Ideal for applications requiring exact spacing, pivot points, or rotational support.
FAQ's:
  • What materials are available for these shoulder bolts?
    These bolts are crafted from high-strength alloy steel with a black oxide finish. Other materials like stainless steel, carbon steel, brass, and aluminum are also available upon request.
  • Are these shoulder bolts compliant with international standards?
    Yes, these bolts fully comply with ISO 7379 standards, ensuring dimensional precision and interchangeability with ISO-certified components.
  • What are the delivery times for these shoulder bolts?
    Samples are available in 3-5 working days, while standard orders take 20-25 working days. Expedited options are also available for urgent needs.
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