Product Description

Made-to-order products can be supplied according to your detailed requirements. 1, light weight (lighter than the old-fashioned drill pipe *5%) 2, footage soon, dust small vertical holes left after drilling cuttings, into a hole clear. 3, card beans quickly and easily connect and save banding material. 4, under separation of body and drilling may be the end, the use of life extended. 5, water-based wet good pass operation. The material of this product is the *5sinomo hollow hexagon bar iron. The specification: 0.5, 0.8 meter, 1 meter to 6 meter etc., each kind of specification is complete.