Producer Redmaster

Not so long ago, a basic flat or Phillips screwdriver was enough to work with screws and screws with an internal slot. The desire to increase tightening confidence and enable greater torque transmission has led to the creation of many different types of notches on screws and bolts.   Another common reason for introducing sophisticated shapes was to protect against unscrewing attempts by unskilled personnel without appropriate tools. The matter seems simple, but failure to ensure accurate fit of the tool may result in the destruction of the socket of the fastener. Only the use of the right profile in the form of a screwdriver , bit or L-key will ensure good force transfer and protect against damage. Sometimes the differences are small, but using the wrong tool can cause a lot of problems. e. e.