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The VALUE COLLECTION TGL-407 is a standard-pole rectangular permanent magnetic block chuck designed for use in EDM and surface grinding operations. It measures 7.0 inches long by 4.0 inches wide by 2.874 inches high and weighs 14 pounds. The chuck uses permanent magnet technology, meaning no electrical power is required to maintain holding force during operation. Machinists and toolroom technicians use this type of chuck to secure ferrous workpieces on surface grinders and EDM machine tables. The rectangular block form factor provides a stable, flat clamping surface suited to precision material removal work.
This chuck is intended for industrial machining environments where flat, ferrous workpieces must be held securely during surface grinding or EDM operations. The standard pole configuration is a common choice for general-purpose surface grinding of steel and iron components. It is well suited to both production and toolroom settings where consistent workholding is required without the complexity of electro-magnetic systems that depend on a continuous power supply. Installation and use are typically handled by machinists or toolroom professionals familiar with magnetic workholding equipment.
Designed as an OEM-style workholding replacement or addition for surface grinders and EDM machines that accept standard rectangular magnetic block chucks.
Magnetic block chucks are typically mounted and positioned by a machinist or toolroom technician. Before mounting the chuck on a machine table, ensure the grinding or EDM machine is fully powered down and at a complete stop. The mounting surface of both the machine table and the chuck base should be clean and free of burrs or debris to ensure full contact and accurate seating. Consult the machine manufacturer guidelines and applicable shop safety procedures before placing the chuck into service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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