When the steel pipe is connected with the ball, the hexagon socket is designed to enable the bolts of the steel pipe head to be tightly screwed in the screw holes of the ball.sleeve uses Q235B steel (≤ M36), or 45 # steel (> M36).
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Product CategoryWhen the steel pipe is connected with the ball, the hexagon socket is designed to enable the bolts of the steel pipe head to be tightly screwed in the screw holes of the ball.sleeve uses Q235B steel (≤ M36), or 45 # steel (> M36).
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