Fastenko Blog

  1. Self Clinching Nuts

    Self-clinching nuts are installed by placing them in properly sized holes in sheets and applying a parallel squeezing force to the head of the nut. The sheet metal surrounding the head then cold flows into an undercut, making the fastener an integral part of the sheet.

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  2. A Guide to Stainless Steel Fasteners According to DIN/ISO Standards

    Learn about the different types of stainless steel fasteners according to the DIN/ISO standards, including DIN 912 / ISO 4762, DIN 933 / ISO 4017, DIN 931 / ISO 4014, DIN 934 / ISO 4032, DIN 125 A, DIN 127 B, DIN 7980, and DIN 975. Understand their applications and functions in fastening materials.

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  3. A Beginner’s Guide to Screws and Screw Head Types.

    crews are essential fasteners used in various applications, such as woodworking, construction, and manufacturing. The anatomy of a screw includes the following parts:

    1. Head: The head is the top part of the screw that is used to turn and tighten it. The shape of the head determines the type of driver required to turn it, such as a Phillips, slotted, or hexagonal driver.

    2. Shank: The shank is the threaded portion of the screw that goes into the material being fastened. The shank may be partially or fully threaded, depending on the application.

    3. Thread: The thread is the spiral ridge that runs along the shank and is used to grip the material being fastened. The thread pitch determines how far the screw will advance into the material with each turn.

    4. Point: The point is the sharp end of the screw that is used to pierce and start the hole in the material being fastened. The point may be sharp, blunt, or self-tapping, depending on the application.

    5. Thread Depth: The thread depth is the distance between the crest and the root of the thread. It determines how tightly the screw will grip the material being fastened.

    6. Major Diameter: The major diameter is the largest diameter of the screw thread. It determines the size of the hole required for the screw to be threaded into the material.

    7. Minor Diameter: The minor diameter is the smallest diameter of the screw thread. It determines the size of the root of the thread and the thickness of the screw shank.

      There are many different types of screw head designs, each with its own benefits

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  4. Spacers and Standoffs for Industrial Applications

    Discover the importance of spacers and standoffs in various industrial applications, including electronics, aerospace, automotive, and medical devices. Learn about the different types and customizations available, and how these small components play a critical role in ensuring proper alignment and spacing of components.

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  5. Metric Steel Bolts - Grades and Property Classes

    Learn about the different grades and property classes of metric steel bolts, and understand which ones are best suited for your specific application. From Class 4.8 Class 5.6 Class 8.8 Class 9.8 Class 10.9 Class 12.9, find the right bolt for your needs.

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  6. ISO - International Organization for Standardization for Fasteners

    These are various ISO standards related to fasteners, bolts, screws, and other types of mechanical components. Here's a brief description of each standard:

    1. ISO 10511: This standard specifies the requirements for hexagon nuts with metric coarse and fine pitch thread.

    2. ISO 10512: This standard specifies the requirements for taps for internal threads with metric dimensions.

    3. ISO 7040: This standard specifies the requirements for prevailing torque type hexagon nuts (with non-metallic insert).

    4. ISO 10513: This standard specifies the requirements for taps for internal threads with inch dimensions.

    5. ISO 7042: This standard specifies the requirements for hexagon head screws with metric dimensions and thread pitch.

    6. ISO 21670: This standard specifies the requirements for metric series bolts with reduced shank and pilot bore.

    7. ISO 4034: This standard specifies the requirements for hexagon nuts, style 1, with metric dimensions and property classes.

    8. ISO 8674: This standard specifies the requirements for hexagon head screws with metric fine pitch thread.

    9. ISO 8673: This standard specifies the requirements for hexagon head screws with metric coarse pitch thread.

    10. ISO 4032: This standard specifies the requirements for hexagon nuts, style 2, with metric dimensions and property classes.

    11. ISO 7047: This standard specifies the requirements for countersunk flat

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  7. A Comprehensive List of German Industrial Standards(DIN)

    Find the complete list of DIN standards covering various industries such as mechanical engineering, construction, and materials. Learn about the history and significance of DIN standards and their impact on global manufacturing and quality assurance.

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  8. The Ultimate Guide to Dowel Pins: Everything You Need to Know

    Discover the various types, materials, dimensions, tolerances, and applications of dowel pins in this comprehensive guide. Learn how to choose the right dowel pins for your specific needs and ensure a precise and durable connection between the components.

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  9. A Guide to Circlips: Types, Standards, and Applications

    Learn about the different types of circlips, including external and internal circlips, snap rings, and Type E circlips, as well as their standards, dimensions, and applications in industries such as automotive, machinery, and manufacturing. Get a comprehensive guide to circlips and ensure proper sizing and compatibility with your application.

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  10. Understanding DIN 84, DIN 7985, DIN 85, DIN 963, DIN 965, DIN 964, and DIN 966 Standards for Screws and Machine Parts

    The DIN standards are recognized worldwide and used extensively in many industries, including engineering, manufacturing, and construction. In this article, we will discuss some of the DIN standards related to  machine screws, namely DIN 84, DIN 7985, DIN 85, DIN 963, DIN 965, DIN 964, and DIN 966.

    DIN 84: This standard specifies the dimensions and tolerances of cheese head screws. Cheese head screws have a cylindrical head with a flat top and a flat bottom. The head has a larger diameter than the shank, which allows for a larger contact area with the surface being fastened. The screw has a straight slot for a screwdriver or a cross recessed slot. The dimensions specified in the standard include the diameter, length, head diameter, head height, and thread length. The tolerances ensure that the screws can fit into a corresponding nut or threaded hole.

    Buy DIN 84 Machinescrews Here 

    DIN 7985: This standard specifies the dimensions and tolerances of pan head screws. Pan head screws have a rounded, dome-shaped head with a flat bearing surface. The head has a smaller diameter than the shank, which allows for a smaller contact area with the surface being fastened. The screw has a cross recessed slot or a hexagonal socket. The dimensions specified in the standard include the diameter, length, head diameter, head height, and thread length. The tolerances ensure that the screws can fit into a corresponding nut or threaded hole.

    Buy DIN 7985 Machinescrews Here

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