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    EdgeLOCK™

    With the EdgeLOCK™ system, you can put safety and efficiency first. Our self-locking mechanism automatically secures the inner tube assembly or core sample as you lift, eliminating the need to engage a safety mechanism manually. With gravity doing the work, your fingers stay out of harm’s way while the head remains locked until you’re ready to release it. Compatible with commonly used coring systems, EdgeLOCK ensures reliable core retrieval, keeping your operations running smoothly.

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    EdgeLOCK™ Overshot Assemblies & Options

    The EdgeLOCK™ overshot is a simple, self-locking, and compatible solution designed to reliably and efficiently retrieve the inner tube assembly. Offering a productive and safe alternative…

    EdgeLOCK™ Overshot Assemblies & Options – Rolling

    Jentech offers downhole core retrieval tools, including rolling EdgeLOCK overshot assembly, designed to support safe and efficient retrieval of the inner tube assembly. The rolling EdgeLOCK…

    EdgeLOCK™ Overshot Head Assemblies & Options

    Feel confident in your safety when retrieving your core barrel with the EdgeLOCK™ overshot head assemblies. The EdgeLOCK™ overshot head assembly features a self‑locking mechanism…

    Overshot Spares to Support Your Drilling Operations

    Jentech's overshot spares include all the most commonly used wear components needed to maintain your overshot assemblies. The EdgeLOCK overshot spares kits come complete with pins, bearings,…

    Frequently Asked Questions

    As you begin raising the EdgeLOCK™ overshot, the weight of the head automatically pulls the lifting dogs into the locked position. The head remains securely locked until the weight is removed, at which point you manually compress the lifting dogs to release it. This self-locking design provides safe, reliable core retrieval while minimizing risk to the operator.

    EdgeLOCK™, which is part of our Edge series, uses a unique, self‑locking mechanism that prevents the lifting dogs from releasing under load, providing safer and more reliable retrieval of the inner tube assembly or core sample.

    RetroLOCK™ is Di-Corp’s version of the traditional locking system, widely used for its familiarity, but it requires manual engagement and does not automatically lock under load.

    Ultimately, EdgeLOCK™ prioritizes operator safety and consistent performance, while RetroLOCK™ prioritizes familiarity and traditional operation.

    Yes. EdgeLOCK™ is designed to be fully compatible with commonly used industry coring systems, so it can work seamlessly with many competitor core retrieval tools. This compatibility ensures you can upgrade to EdgeLOCK™ for improved safety and reliability without needing to replace your existing equipment.

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    Learn More About Our Drilling Supplies

    As a trusted drilling equipment supplier, we help mining, exploration, and drilling teams find the right products for their programs, drill systems, and applications. Whether you need help specifying equipment, finding compatible alternatives, or sourcing products for an upcoming program, request a quote by filling out the form. We’ll connect you with one of our knowledgeable team members.

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    2190 Last Chance Road
    Elko, NV 89801

    Phone: 775.424.3045

    Email: info@jentechdrillingsupply.com

    Website: www.jentechdrillingsupply.com

    Who We Are

    Jentech Drilling Supply Inc is a division of Di-Corp that services the Groundwater, Mining, and Mineral Exploration industries throughout the USA. We specialize in helping our customers implement drill systems from the “top head to bit”, carrying a full line of drilling products from the top manufacturers in the world.