Traveling Block

The side plates made of heavy steel provide a sufficient weight so that the drill line is kept taut when hoisting and lowering the empty elevator, facilitating the drum to wrap the line, speeding up the lowering of the unloaded tackle and prolonging the line service life. ​Sheave grooves are medium-frequency induction hardened, prolonging the sheave service life. The sheave groove size and the surface radius of the bail conform to API Spec