Taper pin with constant external thread, DIN 7977- ISO 8737

Taper pin, DIN 7977 / ISO 8737 - Steel & stainless steel

Taper pin with constant external thread, DIN 7977- ISO 8737
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Gardette Groupe, manufacturer of taper pins with an external thread - DIN 7977 / ISO 8737


The Gardette group is a market leader in manufacturing taper pins with a constant external thread, DIN 7977 / ISO 8737, for mechanical fastening solutions that require both precision and ease of disassembly. These standardised components are a robust and reliable solution for assemblies prone to high loads, while still being easily extractable thanks to their external thread.

Technical specifications for DIN 7977 / ISO 8737 taper pins with a constant external thread

  • Standards: DIN 7977 / ISO 8737.
  • Shape: Taper pin with an external thread for easier disassembly via mechanical action.
  • Taper angle: 1:50, for a zero-clearance fit and solid fastening.
  • Common materials:
    • C45 steel: Well-suited to standard applications with good mechanical strength.
    • Alloy steel (42CrMo4): Perfect for environments prone to high dynamic stress.
    • Stainless steel (AISI 303 or 316): Corrosion-resistant in humid and chemical settings.
  • Externally threaded point: Compliant with ISO standards and suitable for standardised extraction tools.

How do we manufacture our DIN 7977 - ISO 8737 taper pins?

The first step in the process is choosing a raw material, usually C45 steel or another alloy steel, depending on the level of strength and durability required.

  • Raw material : Round or semi-finished bars.
  • Equipment used: Automatic CNC saws for precise lengths and limited material waste.

Machining the tapered shape & the threaded tip

  • Straightening out the ends to guarantee a perfectly flat base.
  • Machining the taper, with rigorous checks on the dimensions, respecting a taper angle of 1:50.
  • Making the external thread with specialised tools, allowing for optimal surface quality and a precise screw pitch in line with ISO standards.
  • Heat treatment

    Different heat treatment operations are carried out in order to improve taper pins' mechanical properties.

    • Types of treatments:
      • Quenching & tempering: For the perfect balance between surface hardness and bending strength.
      • Nitriding: For excellent wear resistance and protection against corrosion.
      • Case-hardening: Makes the contact surface harder while still maintaining a tough core.
    • Machinery used:
      • Atmosphere controlled furnaces or vacuum furnaces for maximum uniformity.



    At Gardette, we know how important each detail is when manufacturing high-quality taper pins. That's why we use specially designed machines and meticulous procedures to guarantee that each taper pin we produce meets the highest of standards.


    Our taper pins are generally made of C45 steel, a material known for its sturdiness and its excellent mechanical properties. We offer several different surface treatment processes to optimise their performance and durability:

    • Case-hardening: Improves surface hardness for better abrasion resistance.
    • Nitriding: For long-lasting protection against corrosion and abrasion.
    • Phosphatising: Reduces the risk of corrosion and improves adherence.
    • Galvanising: For effective protection in corrosive and humid environments.

    Why choose Gardette for your DIN 7977 - ISO 8737 standard taper pins?

    1. Reliable and zero-clearance fastening thanks to the 1:50 taper angle.
    2. Easy to disassemble thanks to the threaded tip, meaning the pin can be removed without damaging the other components.
    3. Adaptability: Manufactured in different materials with different treatment operations depending on the specific application environment.
    4. Quality guaranteed: Strict production and quality control processes to ensure full compliance with DIN and ISO standards.
    5. Customisation: We can manufacture to specific dimensions and make threads tailored to your particular needs.
    Taper pin with constant external thread, DIN 7977- ISO 8737

    Taper pin, DIN 7977 / ISO 8737 - Steel & stainless steel

    • DIN 7979, ISO 8737, NFE 27482, DIN 258 standards
    • Made of steel or stainless steel
    • Dimensions available: Ø5 to Ø20

    Discover our taper pins with a constant external thread. Feel free to get in contact with us for any other material or dimensions.

    Starting from
    The 100 pieces
    Download
    Product sheet
    Product sheet
    *Account required. Minimum order amount €50.
    Dimensional chart
    D - h10MLongueur
    5M54045505560
    6M640455055606570758085
    8M84045505560657075808590100
    10M10505560657075808590100
    12M1275808590100120130140
    Dimensional chart
    D - h10MLongueur
    5M54045505560
    6M640455055606570758085
    8M84045505560657075808590100
    10M10505560657075808590100
    12M1275808590100120130140
    14M1275808590100120130140
    16M1675808590100120130140160
    20M1675808590100120130140160
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    Gardette Groupe, manufacturer of taper pins with an external thread - DIN 7977 / ISO 8737


    The Gardette group is a market leader in manufacturing taper pins with a constant external thread, DIN 7977 / ISO 8737, for mechanical fastening solutions that require both precision and ease of disassembly. These standardised components are a robust and reliable solution for assemblies prone to high loads, while still being easily extractable thanks to their external thread.

    Technical specifications for DIN 7977 / ISO 8737 taper pins with a constant external thread

    • Standards: DIN 7977 / ISO 8737.
    • Shape: Taper pin with an external thread for easier disassembly via mechanical action.
    • Taper angle: 1:50, for a zero-clearance fit and solid fastening.
    • Common materials:
      • C45 steel: Well-suited to standard applications with good mechanical strength.
      • Alloy steel (42CrMo4): Perfect for environments prone to high dynamic stress.
      • Stainless steel (AISI 303 or 316): Corrosion-resistant in humid and chemical settings.
    • Externally threaded point: Compliant with ISO standards and suitable for standardised extraction tools.

    How do we manufacture our DIN 7977 - ISO 8737 taper pins?

    The first step in the process is choosing a raw material, usually C45 steel or another alloy steel, depending on the level of strength and durability required.

    • Raw material : Round or semi-finished bars.
    • Equipment used: Automatic CNC saws for precise lengths and limited material waste.

    Machining the tapered shape & the threaded tip

  • Straightening out the ends to guarantee a perfectly flat base.
  • Machining the taper, with rigorous checks on the dimensions, respecting a taper angle of 1:50.
  • Making the external thread with specialised tools, allowing for optimal surface quality and a precise screw pitch in line with ISO standards.
  • Heat treatment

    Different heat treatment operations are carried out in order to improve taper pins' mechanical properties.

    • Types of treatments:
      • Quenching & tempering: For the perfect balance between surface hardness and bending strength.
      • Nitriding: For excellent wear resistance and protection against corrosion.
      • Case-hardening: Makes the contact surface harder while still maintaining a tough core.
    • Machinery used:
      • Atmosphere controlled furnaces or vacuum furnaces for maximum uniformity.



    At Gardette, we know how important each detail is when manufacturing high-quality taper pins. That's why we use specially designed machines and meticulous procedures to guarantee that each taper pin we produce meets the highest of standards.


    Our taper pins are generally made of C45 steel, a material known for its sturdiness and its excellent mechanical properties. We offer several different surface treatment processes to optimise their performance and durability:

    • Case-hardening: Improves surface hardness for better abrasion resistance.
    • Nitriding: For long-lasting protection against corrosion and abrasion.
    • Phosphatising: Reduces the risk of corrosion and improves adherence.
    • Galvanising: For effective protection in corrosive and humid environments.

    Why choose Gardette for your DIN 7977 - ISO 8737 standard taper pins?

    1. Reliable and zero-clearance fastening thanks to the 1:50 taper angle.
    2. Easy to disassemble thanks to the threaded tip, meaning the pin can be removed without damaging the other components.
    3. Adaptability: Manufactured in different materials with different treatment operations depending on the specific application environment.
    4. Quality guaranteed: Strict production and quality control processes to ensure full compliance with DIN and ISO standards.
    5. Customisation: We can manufacture to specific dimensions and make threads tailored to your particular needs.
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