1) Cutting machine 2) Cutting tool 3) Metal cutter 4) Metal saw 5) Metal-cutting implement 6) Metalworking hand tool 7) Tool for cutting metal 1) Tool 
A hacksaw is a fine-toothed saw, originally and principally for cutting metal. They can also cut various other materials, such as plastic and wood; for example, plumbers and electricians often cut plastic pipe and plastic conduit with them. There are hand saw versions and powered versions (power hacksaws). Most hacksaws are hand saws with a C-shap...
(from the article `saw`) The hand hacksaw has a U-shaped frame and blades 20 to 30 cm (8 to 12 inches) long, 1.25 cm (0.5 inch) wide, and 0.06 cm (0.025 inch) thick that ...
A hacksaw is a saw with a narrow-bladed fitted in a frame used for cutting metal. Small hacksaws are often referred to as a 'junior hacksaw'.
[n] - saw used with one hand for cutting metal
A metal blade of hardened steel having small, close teeth on one edge. It is held under tension in a U-shaped frame.
Photograph courtesy of Draper.co.ukA metal blade of hardened steel having small, close teeth on one edge, held under tension in a U-shaped frame.Photograph courtesy of Draper.co.ukThe junior hacksaw is a smaller version of the standard hacksaw and is ideal for cutting small delicate pieces of work where the weight alone of the standard hacksaw may ...
hack saw noun saw used with one hand for cutting metal