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  • Self Clinching Studs

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    Self-Clinching fasteners provide strong load bearing male or female threads in thin steel and aluminium panels.

    Installation is neat and easy.

    Simply locate the fastener into a pre-prepared hole and apply a parallel squeezing force to embed the fastener into the panel.

    Self-Clinching fasteners work by utilizing a special clinch feature.

    When the part is pressed into the hole, the parent material cold-flows into the clinch feature, effectively locking the fastener into the panel, providing excellent torque-out and push-out performance.

    Self-Clinching fasteners require a parallel squeezing force to be applied for correct installation.

    Equally important is the length of time the force is applied. Sufficient time must be allowed for the cold-flow clinching process to work (this is often referred to as the dwell time when installing on a hydraulic press).

    A self clinching stud is designed to become a permanent fixture of the part, component, or device onto which it’s installed. Installation is usually performed during the initial fabrication stage or in final assembly of the metal chassis. Parallel squeezing force is applied in order to secure the stud to the sheet metal panel.

    For the best dimensional accuracy and performance, it is recommended that all holes in the sheet metal application be punched.

    These externally threaded fasteners become permanently mounted to a metal framework, reducing costs and assembly time by eliminating the necessity for loose hardware and additional installation processes.

    Self clinching studs are used for varying purposes, though all varieties are built to withstand high levels of torque, heavy weights, and constant, repeated pull by the attached components.

  • SEMS Screws Pan Phillips

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    SEMS SCREWS

    SEMS Screws are screws pre-assembled with free spinning washers. The assembly typically contains one plain washer and one split spring washer.

    The washers are held in place with the major diameter of the thread being larger than the hole of the washer. This is achieved by inserting the washers before thread rolling.

    SEMS screws provide design and manufacturing efficiencies by combining multiple parts, captive washer and screw, into one versatile fastener.

    This has many benefits which have revolutionised assembly manufacturing processes, particularly in the Aerospace Avionics sector.

    Advantages

    – Increased productivity by eliminating hand assembly of washers with the screws.
    – Permanent assembly ensuring that the washers are not misplaced.
    – Safety for the product as there is no chance of a washer being dropped into the assembly.

    – One part to inventory, track and assemble.

    SEMS screws work well in products with small dimensions, allowing for seamless integration and assembly with a lower risk of error or failure.

  • SEMS Screws Special with Small OD Washer

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    We now have a special SEMS screw with a small OD Plain Washer available in stock.

    Suitable for many electronic assemblies with smaller space availability.

    Available in Stainless Steel AISI 304 A2.

  • SHCS Torx Machine Screws 6-Lobe

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    The notion of a drive with hexalobular sockets are a decisive step in developing drives better adapted to manual and automated assembly. This drive is becoming increasingly popular throughout the world.

    6-Lobe Socket Head Cap Screws as per DIN 912

    SHCS Torx is a very useful screw form that provides a very reliable fixing for machine construction.

    SHCS Torx are also available in Black finish on request.

     

  • Slotted Self Tapping Screws

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    Slotted Self-Tapping Screws

    Self-tapping screws are different to traditional screws as they tap their own threads when screwed into either plastic, wood or metal.

    The Slotted or Minus type drive can be said to be outdated but is still quite popular in India as many small and traditional trades are using this. Another reason for the continued popularity is that many assemblies are still being done manually and workmen have the traditional screw drivers with them.

  • SOCKET SET SCREW – Allen Grub Screw

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    A set screw is a threaded fastener that normally does not have a head. Unlike most other threaded fasteners it is basically a compression device normally used to generate axial thrust.

    Set Screws are also known as grub screw.

    It is used to hold parts like sleeve, collar, coupling, gear etc. on a shaft to prevent relative motion.

    The most obvious point of distinction between grub screws and other types of standard screws and bolts is that true grub screws tend not to feature a protruding head.

    Instead, they’re usually threaded right to the top, and are the same diameter all the way along their length, meaning that the grub screw can be fully driven into its hole to sit flush with (or even countersunk into, depending on the application) the workpiece.

    They’re almost always found being used in mechanical systems where two or more metal surfaces rub or press directly together, and where there isn’t room to fit a bolt or other type of protruding head between the two flush surfaces without limiting proper functionality or movement of the part(s).

    Socket set screws offer three types of holding power: torsional (resistance to rotation); axial (resistance to lateral movement); and vibrational.

    Size selection is an important factor in holding power.

    Grub Screws are available with different point options.

  • Spring Washers

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    These are used for locking a device and reducing the vibration. They reduce loosening by preventing unscrewing rotation of the fastening device; locking washers are usually also spring washers.

    Washers are available in a wide range such as spring washers, star washers, multi-tooth washers, disc spring washers, wave washers, taper washers, safety washers etc.

    Spring Washers Type A Square

    DIN 7980

    ​A Spring washer is a metal ring split at one point and bent into a helical shape. This helps the washer to exert a spring force between the fastener’s head and the surface. This keeps the washer firm against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.

    A spring washer square has square ends at the split end. Provides much better resistance as compared to a plain washer.

    Size Range – M3 to M48

    Materials – Spring Steel, Stainless Steel AISI 301 and 316. Titanium on request.

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