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  • Round Washer Head Six Lobe Self Tapping Screw
  • Round Washer Head Six Lobe Self Tapping Screw
  • Round Washer Head Six Lobe Self Tapping Screw
  • Round Washer Head Six Lobe Self Tapping Screw

Round Washer Head Six Lobe Self Tapping Screw

The Round Washer Head Six Lobe Self-Tapping Screw features a round washer head with a six-lobe (Torx) design, providing uniform load distribution and anti-slip fastening. Thread sizes range from M3 to M10, with lengths from 9.5 to 130 mm, accommodating various installation requirements. Manufactured from SUS304 stainless steel, the screw offers corrosion resistance suitable for multiple environments. The surface is brightened to improve flatness and reduce friction during assembly. This screw is widely used in machinery, electronic devices, and construction applications, providing secure connections while limiting the risk of removal.

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  • Product Features

  • Specification: Thread size is M3~M10, Length is 9.5~130

    Material: SUS304

    Surface Treatment: Brightening

    Product Introduction

    The Round Washer Head Six Lobe Self-Tapping Screw is designed for metal fastening applications requiring a low-profile head with integrated washer for enhanced load distribution and positive drive engagement. The round washer head configuration provides a built-in bearing surface that distributes clamping force across a wider area, eliminating the need for a separate washer while maintaining a compact profile. The six-lobe drive enables positive torque transmission with reduced cam-out risk during installation, providing reliable engagement with standard six-lobe tools. These screws cut mating threads in pre-drilled holes, providing secure engagement without requiring a separate tapping operation. Manufactured from SUS304 stainless steel with brightening surface treatment, this screw provides general corrosion resistance with an aesthetic bright finish. Available in thread sizes from M3 to M10 and lengths from 9.5mm to 130mm, this screw offers comprehensive coverage for a wide range of metal fastening requirements.

    Core Advantages

    01
    Round Washer Head Design
    Built-in bearing surface distributes clamping force across a wider area, eliminating the need for a separate washer.
    02
    Six-Lobe Drive
    Positive torque transmission with reduced cam-out risk during installation for reliable drive engagement.
    03
    Self-Tapping Thread
    Cuts mating threads in pre-drilled holes, providing secure engagement without requiring a separate tapping operation.
    04
    SUS304 Stainless Steel
    Provides general corrosion resistance for indoor and mild outdoor applications with a bright aesthetic finish.
    05
    Comprehensive Size Range
    Thread sizes M3 to M10 and lengths 9.5mm to 130mm cover a wide range of metal fastening requirements.
    06
    Brightening Treatment
    Aesthetic bright finish with enhanced surface smoothness and improved corrosion resistance.

    Product Features

    Round washer head configuration Built-in bearing surface provides load distribution across a wider area, eliminating the need for a separate washer while maintaining a compact profile.
    Six-lobe drive Positive torque transmission with reduced cam-out risk during installation, compatible with standard six-lobe tools for reliable engagement.
    Self-tapping thread Cuts mating threads in pre-drilled holes, providing secure engagement without requiring a separate tapping operation.
    SUS304 stainless steel material Provides general corrosion resistance for indoor and mild outdoor applications with a bright aesthetic finish.
    Wide size range Thread sizes from M3 to M10 and lengths from 9.5mm to 130mm provide comprehensive coverage for diverse metal fastening requirements.
    Brightening surface treatment Aesthetic bright finish with enhanced surface smoothness and improved corrosion resistance.

    Application Scenarios

    Sheet metal assemblies
    Equipment enclosures
    Electronics chassis
    Furniture construction
    Automotive components
    Industrial machinery
    Architectural metalwork
    HVAC systems

    This round washer head six-lobe self-tapping screw is deployed in metal fastening applications requiring enhanced load distribution and positive drive engagement. Applications include sheet metal assemblies where washer heads provide improved clamping, equipment enclosures, electronics chassis, furniture construction, automotive components, industrial machinery, architectural metalwork, and HVAC systems where the washer head eliminates the need for separate washers and the brightening finish provides an aesthetic appearance.

    Common Questions and Solutions

    What are the advantages of the round washer head design?
    The round washer head incorporates a built-in bearing surface that distributes clamping force across a wider area compared to standard heads. This eliminates the need for a separate washer, reduces component count, and provides improved load distribution that helps prevent material deformation in softer substrates.
    What is the recommended six-lobe tool size for this screw?
    Select a six-lobe driver that matches the head size specified for the thread diameter. Using the correct driver size prevents driver slippage and damage to the drive recess. Refer to the product specification for the exact six-lobe size.
    How do I select the correct pilot hole size for these screws?
    Pilot hole size varies based on screw diameter and material hardness. Refer to the technical datasheet for recommended pilot hole diameters for each specification to ensure proper thread engagement and prevent material damage or thread stripping.
    What size range is available for this screw?
    This screw is available in thread sizes from M3 to M10 and lengths from 9.5mm to 130mm. This comprehensive range allows selection of the appropriate size for specific application requirements. Consult the product catalog for detailed size availability.
    What is the brightening surface treatment?
    Brightening is a surface treatment process that enhances the natural finish of the stainless steel material. It provides a bright, aesthetic appearance while improving surface smoothness and corrosion resistance through removal of surface contaminants and oxidation.
    What is the recommended installation speed for this screw?
    Install at controlled speeds to prevent thread galling and ensure proper thread formation. Use torque-controlled drivers to prevent over-tightening when the washer head seats against the workpiece surface.

    Installation Considerations

    1
    Select the correct six-lobe driver size that matches the screw head recess to ensure positive engagement and prevent drive wear during installation.
    2
    Drill pilot holes to the recommended diameter for the specific screw size and material thickness to ensure proper thread engagement.
    3
    Use torque-controlled installation tools to prevent over-driving. The washer head should seat against the workpiece surface without damaging the head or surrounding material.
    4
    Apply appropriate spindle speed to prevent thread galling; excessive speed may cause thread damage or thermal buildup.
    5
    Ensure perpendicular alignment between screw axis and workpiece surface to prevent cross-threading and ensure proper engagement.
    6
    The brightening treatment provides aesthetic and corrosion protection. Handle screws with clean gloves to maintain surface appearance and prevent contamination.

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Jiaxing Zhongke Metal Technology Co.,Ltd.
Jiaxing Zhongke Metal Technology Co.,Ltd. is located in Xinfeng Town Industrial Park, Nanhu District, Jiaxing City, Zhejiang Province. It is a manufacturer integrating the development, design and manufacturing of heat treatment equipment. At the same time, due to the advantages in the heat treatment industry, it also takes into account the development of general parts, automotive parts, and stainless steel high-strength fasteners. Design, development, and manufacturing, and open to the outside world for heat treatment process design and processing of various metal materials. As China Wholesale Round Washer Head Six Lobe Self Tapping Screw Suppliers, Exporter and Round Washer Head Six Lobe Self Tapping Screw Factory. The company has strong financial and technical strength, complete production equipment, scientific testing methods, and a perfect management team. "Quality-oriented, technological innovation" is our purpose, and adhering to the concept of "service first, honesty and trustworthiness", to provide customers with diversified and reliable products.
  • 2001

    Founded in

  • 17 acres+

    Covered area

  • 100+

    Manufacturing equipment

  • 200+

    Number of employees

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