Buy Horizontal Directional Drill rod  from Crossing Drill bit Manufacture,Horizontal directional drilling (HDD), also called “directional boring”, is used in the underground construction industry and is a technique used when trenching or excavating is not practical. It is suitable for a variety of soil conditions and jobs including road, landscape and river crossings. The most common drill pipe sizes used by maxi rigs are 5”, 5 1/2”, and 6 5/8” OD x 31ft long drill pipe. Smaller HDD rigs, on the other hand, use smaller and shorter drill pipe, and are used on bores that are less than 1,500 ft in length. Crossing HDD offers an extensive selection of horizontal directional drill rods that are compatible with Vermeer and Ditch Witch equipment. Only the highest quality materials are used in our rods and our cutting-edge manufacturing process is designed to ensure superior HDD drill pipe strength and durability. Vemeer D36x50,D60x90,D80x100,D33xD44，Ditch Witch 3020,4020,JT100,76mm,83mm,89,mm