Products
- Elevator Parts[1]
- Diesel Generators[4]
- Air Conditioner Parts[1]
- Air-Compressors[6]
- Drying Equipment[5]
- Mixing Equipment[1]
- Chemical Product Machinery[2]
- Concrete Pumps[2]
- Bending Machinery[10]
- Other Machine Tools[3]
- Punching Machine[10]
- Other Cutting & Forming Tools[3]
- Other Machine Tools Accessories[9]
- Machinery Processing Services[1]
- Cranes[4]
- Forklifts[3]
- Other Material Handling Equipment[2]
- Material Handling Equipment Parts[1]
- Metal Cutting Machinery[7]
- Metal Processing Machinery Parts[2]
- Other Metallurgy Machinery[2]
- Metallurgy Machinery Parts[1]
- Drilling Rig[10]
- Other Mining Machinery[10]
- Mining Machinery Parts[10]
- DC Motor[4]
- Other Motor[7]
- Other Machinery[2]
- Arc Welders[1]
- Shaft Couplings[1]
- Pumps[5]
- Valves[5]
- Steel Pipes[2]
- Other Firefighting Supplies[4]
- Power Tool Accessories[1]
- Electric Drill[1]
- Tool Parts[1]
Contact Us
- Contact Person : Mr. Xue aihong
- Company Name : Rugao Yaou Import & Export Trade Co., Ltd.
- Tel : 86-513-87635480
- Fax : 86-513-87632623
- Address : Jiangsu,Rugao,Room 907 #13 Jinjiuhuafu Ninghai RD.
- Country/Region : China
- Zip : 226500
Professional Spiral drill collar
Product Detailed
Related Categories:Mining Machinery Parts
Related Product Searches:Professional Spiral drill collar,High Quality,Spiral drill collar, drill collar
In order to reduce differential pressure sticking, the surface of drill collars can be spiral-grooved. VAM Drilling spiral drill
Related Product Searches:Professional Spiral drill collar,High Quality,Spiral drill collar, drill collar
Cross sections of the drill collars show the reduced contact area with the wall of the hole.The grooving consists of three right-hand spirals, machined on VAM Drilling’s unique triple-headed milling machines. Stress relief features improve bending strength of pin and box connections and, therefore, durability. Bore back on box and stress relief grooves on pin are defined by API
Professional Spiral drill collar
