With this system the hardness and abrasion-resistant properties are put on top. Therefore, the material is selected must be capable of reaching the high-hardness heat outside to protect against abrasion, but at the same time have to have a computer inside to avoid the plastic snapped in the process of work. Trụcthường materials used are: -Steel SCM-415. -Silver SUJ2, for example, the Guide Bushings: 60-62 HRC, Leader -Bushings: 58 HRC, Taper Pin Sets: 58-62 HRC. The handles by Islam must work continuously and axial bearing in the process should work for the priority property of a material's hardness against abrasion, flexibility in the core to avoid breaking in the process work (female ratio length/diameter of the PIN is usually very loud). The material of the PIN usually steel SKD 61.
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