Drill bits with carbide inserts for drills have sharp cutting edges
Carbide drills for metal: types, features, selection criteria
Often, when processing metal workpieces, it is necessary to resort to special devices designed to work
The welding electrode consists of a core and a protective coating
Selection of welding current depending on the diameter of the electrodes
For a novice welder, choosing an electrode can be a problem: there are more than two hundred brands with different
Cold welding for aluminum
Cold welding for aluminum, its alloys, silumin
Aluminum is considered one of the most common metals at the moment. This metal is used in
Copper washer, copper washer production and sales
Even in ancient times, people learned to process copper and studied its properties. Humanity is active
Marking of steels, how to understand it
U13 - classification and application of the grade Material classification: Carbon tool steel Application: high-grade tools
Blister copper refining
Electrolytic refining of copper: composition, formulas and reactions
What it is? Copper refining or electrolysis uses an anode that contains impure copper. She
Screw pumps - design, principle of operation, differences from centrifugal and vane equipment
Screw pumps - design, principle of operation, differences from centrifugal and vane equipment
A screw pump is a unit designed for pumping solutions and liquids of high viscosity. Such
concrete screw
How to choose the right dowel (screw) for concrete: types, characteristics, fastening
A dowel for concrete is a type of fastening element. Used for vertical or horizontal insertion
How to make a welding holder with your own hands
We make a holder for welding with our own hands - instructions, necessary elements, assembly
Despite the apparent simplicity of the design, the holding device for the electrodes (holders) is a critical component.
Sand casting (course project) / Typical compositions of molding sands
Molding sands Molding materials are developed in previously explored quarries. Composition of molding sands and presented
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