Pini yosalala ya cylindrical, yomwe imadziwikanso kuti pini yamasika

Pini yosalala ya cylindrical, yomwe imadziwikanso kuti pini ya kasupe, ndi mzati wopanda mutu wokhala ndi axial slot ndi chamfer kumapeto onse awiri, omwe amagwiritsidwa ntchito poyika, kulumikiza ndi kukonza pakati pa magawo.M'pofunika kukhala ndi elasticity yabwino ndi kukameta ubweya wa ubweya, ndipo m'mimba mwake akunja a pini yamtunduwu ndi yaikulu pang'ono kusiyana ndi kabowo ka msonkhano.