The Sealey SM27FJC is a 4-jaw independent chuck with back plate designed for precision metalworking on general-purpose lathes. This versatile lathe accessory features individually adjustable jaws that allow for accurate centring of irregular shapes and off-centre turning work, making it an essential tool for machinists and engineers requiring flexible workholding solutions. The chuck is equipped with 3-stepped jaws measuring 20mm in width that can be reversed to grip either internally or externally, accommodating raw materials of varying shapes and sizes. Each jaw operates independently, providing the control needed for holding non-symmetrical workpieces, square stock, and castings that cannot be centred in a standard self-centring chuck. Supplied complete with a Ø160mm back plate for straightforward mounting to compatible lathes, this substantial 8.61kg chuck delivers the stability required for accurate machining operations. The included chuck key ensures you have everything needed for installation and jaw adjustment straight from the box. Features and Benefits: • Independent jaw adjustment for holding irregular and off-centre workpieces • Reversible 3-stepped jaws for internal and external gripping applications • Complete with back plate and chuck key for immediate use • Robust 8.61kg construction for stability during machining operations Specifications: Brand: Sealey Nett Weight: 8.61kg Description: 4-Jaw Independent Chuck with Back Plate

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