Tap and Senai are tools for threading in and outside the thread by hand. Tap made of good quality high carbon steel plated hard and dimudakan. Devices are generally traded in three stages, namely:
Tap cone (starting)
Tap the (intermediate)
Tap average (finishing)
All of the above devices tap grooved in order to issue a burr. Senai is made of high quality steel material quickly either. Senai traded preformance various types which are round, square, can be shifted, split and has a stalk or stem. Senai nut can also be used to repair damage to the screw thread. To that key is used. Senai nut is made of high carbon steel plated hardware and dimudakan.
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Picture Tool set Senai and tap
Scissors
At shearing, the workpiece is loaded sliding between two cutter which one another shift that exceeds the shear strength and thereby the workpiece can be split. The cut occurred under the influence of pressure shearing process consecutive penakikan, slicing and termination of the workpiece.
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Hand Scissors image