Comprehensive study material for ITI technical trades, including Fitter Electrician and others. Covers NIMI pattern theory, workshop practicals, safety standards, and industrial manufacturing processes.
The file is the main hand-cutting tool of a fitter. It is made up of a hardened steel tool and has parallel rows of cutting edges on its surface. A file is a working tool that is used to cut fine amounts of material from a workpiece. The filing process provides the final touch to a … Read more
A chisel is a tool with a characteristically shaped cutting edge of a blade at its end for curving or cutting a hard material such as wood, stone, or metal. The handle and blade of some types of chisels are made up of metal with a sharp edge. It is made of high-carbon steel and … Read more
Screwdrivers are made in a variety of shapes, types, and sizes. The standard or common screwdriver is used on slotted-head screws. It consists of three parts: the blade, the shank, and the handle. When using a screwdriver, grasp the handle with the right hand and guide the tip into the slot of the screw with … Read more
A plier is a hand tool having two legs joined by a pivot. Each leg consists of a long handle and a short jaw. It is classified by the shape of the mouth and overall length. The overall length varies from 150 to 230 mm. It is generally made of cast steel and is very … Read more
Many types of spanners/wrenches are used, each being suited for a specific purpose. The name of a spanner/wrench is derived from either its shape, its use, or its construction. What are spanners/wrenches? When you connect two or more parts, use nuts and bolts. The tools, which are used to open or tighten the nuts and … Read more
A hammer is an important tool in a workshop, meant to deliver an impact to an object. The most common uses of hammers are to drive nails, forge, bend rivets, chip, bunch, straighten, etc. Hammers are often designed for a specific purpose and vary in shape and structure. A 🔨 is a fundamental tool in … Read more
Introduction Hand tools are essential for some operations in a workshop. Operations such as sawing, filing, polishing, chipping, tapping, and threading must be mastered by a fitter. Skill in the use of hand tools can only be acquired through patience and practice; there is no easy way. Hand tools must be used with due care. … Read more
Punches are used to make certain dimensional features of the layout permanent. It is made up of high-carbon steel or tool steel and its point is hard and tempered. Its body is such as an octagon (eight sides) or round in shape with knurling over it. It has three parts such as head, body, and … Read more
What is a Combination Set? A combination set is a versatile measuring tool used in woodworking, metalworking, and construction. It typically includes a Graduated Rule, a Square Head, and a Protractor Head, sometimes with additional components like a center head and depth gauge. The combination set has three parts: a Square Head, a Protractor Head, and a Center … Read more
A marking block is used for drawing the parallel line of any one side of the job. It is also known as a surface gauge or scribing block. Its block is made up of cast iron, which is attached to a rock stand to do work and slides a scriber holder. So that, it can be … Read more
