Tag Archive: Flex-5

  1. FLEX-5: Pull to Pressure or Pull to Stroke?

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    When installing rivet nuts using a Sherex FLEX-5 hydro-pneumatic tool, you have a decision to make on what kind of tool you want. Do you want a tool that offers a pull to stroke? Or do you want a tool that offers pull to pressure when installing rivet nuts.

    Sherex has both FLEX-5P (pull to pressure) and FLEX-5S (pull to stroke) tools available and ready for delivery. But before you place your order, let’s go over the tool and the advantages of pull-to-pressure and pull-to-stroke.

    Both Pull-to-Pressure and Pull-to-Stroke tools can install just about any style of rivet nut from sizes #4-40 to 3/18-16 (M3 – M10), and can be used for both low volume and high volume installations, including on an assembly line.

    FLEX-5P – Pull to Pressure

    The FLEX-5P Pull to Pressure tool is a great, all around tool that can be used to install a variety of different products into different thickness material. With a single stage trigger the tool is easy to use and if you know the proper pressure of the part being installed in your specific material, then you are all set. Use the Sherex Hand Tool Calibration Unit to find out the exact pulling force of your tool and begin your installations.

    The FLEX-5P has a pulling force upwards of 5,000 lbs.

    FLEX-5S Pull to Stroke

    The Sherex FLEX-5S, Pull to Stroke rivet nut tool gives a precise install to an exact material thickness. It can install rivet nuts at a set length and is better suited when the installation has limited backside clearance. The tool offers 7mm of available stroke.

    So if you’re installing a very high volume of rivet nuts into the same material thickness, the perfection of the pull-to-stroke tool may be ideal over a pull-to-pressure tool.

    Pull to stroke tool is also best utilized when installing into soft or brittle materials.

    Conclusion

    In terms of performance, both tools are extremely durable and can install the same rivet nuts. But the biggest question to answer when deciding between the FLEX-5P or FLEX-5S, do you need the flexibility in installing rivet nuts by pressure, or will this tool be used for a specific material thickness and installed length for a project’s needs?

    If you need help on deciding on what tool to purchase, contact us and a member of our engineering team will point you in the right direction.

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