Titanium alloy. They powder the dimonds and the titanium then "bake" them usually onto a steel blade. That question is flawed. A better one would be about the most effective stone cutting tool/wheel. There are several different types but by and large dimond blades are superior. Though, Silicon-Carbide remain superior for the start of polishing. If you're not afraid of a little dust but, on todays market with so many water tools this isn't really a problem anymore.
They used metal tools
stone and metal tools
A Scriber
The first metal engraving tools were used in ancient times, around 5,000 years ago. Evidence of metal engraving tools has been found in ancient civilizations such as Mesopotamia and Egypt, where they were used to create intricate and detailed designs on metal surfaces.
A file is used for sharpening metal edges or tools
Various types of hand shears can be used to cut sheet metal.
Pottery tools can be made out of plastic, medal or plastic. These tools are used to refine shapes.
The most common tools used to work metal sheets are the following: Guillotines, Aviation Snips, Hacksaws, Metal Folding Machines, Rollformers and a Snap Lock Punch.
What type of fastener is used for assembling onsite metal ducts?
A hammer and anvil are tools used by blacksmith to form metal .
anything but metal
anything but metal