Shear bolt connector This connector is reusable and can easily be eradicated by backing out the bolt, which will generate out the wedge.나. 부싱의 절연파괴 고장 시 변압기 화재를 유발할 수 있으므로 침입하는 뇌격에U-Bolts U formed bolts with machine threads to be used using a nut on each ends. J-Bolts w/ nuts J shaped