Kelly is the main driver of the whole drill string.It transmits torsional energy from the rotary table through the drill string to the bit at the bottom of the hole. Kelly is a long square or hexagonal.precision machined heavy steel bar that is supported by the swivel through the rotary table and is connected to the first joint of drill pipe in the drill string.
Straightness of the kelly is very crucial in the manufacturing process, thus straightness inspection are carried out before, during and after each machining operation. The flats are precision-milled to API specification.All milling processes are performed on specially designed rigid kelly mills to ensure tight tolerances and high quality drive section.Each kelly is furnished with a pressed steel thread protectors.
Urea-Formaldehyde D-Shaped toilet seat, Anti-Bacterial Toilet Seat Soft Close & Quick Release Loo Seat. Features Of UF soft close rectangular toilet seat, Quick Release Toilet Seat LGUFHP-2101 Quick-release function to make installation and disassembly easier for our customers ...
This axle is used to connect the wheels to your trailer. It\'s made from steel and has a rating of 1,000 lbs. We are a custom trailer axle manufacturer with wholesale kits and parts. Features Of Square Trailer Axle It is built for heavy loads and frequently used for long ...
Industrial Rotary Screw Air Compressor is a machine designed based on the screw air compressor working principle of volume changes caused by the rotation of twin screws (also known as Yin and Yang rotors). The industrial screw type air compressor can intake natural air and ...
China square bars refer to a type of cold rolled square bar that find uses in various uses when the properties of lightweight and corrosion resistance are required. They can be easily cut, welded, and formed based on proper equipment. These types of steel are basic materials ...
FRP/GRP Square Tubes are commonly used in the production of frames, rails, supports, and modular construction elements. The square cross-section offers resistance to torsion and bending, important for structures needing stability. They are also corrosion-resistant, enhancing ...
Automatic square watch mens model has two different collocations, the watch hands are black and the movement is silver. The movement plays another role, the decoration, in the skeleton watch. SPECIFICATION OF MEN\'S SQUARE FACE AUTOMATIC SKELETON WATCH Colors Model SJS1112 ...
This rotary label die cutting machine is an ideal machine for the adhesive label, paper roll slitting. Application This rotary die cutting machines with longitudinal cutting is the most ideal machine for slitting blank label, Wave Shape Price Labels and etc. The turret slitting ...
Square Cotton Pads for Face Wholesale We offer large square cotton pads for babies that are made from 100% pure cotton. Additionally, we can also provide square cotton wool pads made from 100% organic cotton. Our large cotton wool pads series is available in different shapes to ...
Wholesale Square Shape Paper Take Away Sushi Packaging Box Product List Product name Sushi Packaging Box Size L25*W25*H5cm Accept Customization Color Black Shape Square Shape Industrial Use Food Usage StorageSushi Logo Customer\'s Logo Printing CMYK 4 Colors AndPantone Color ...
Large Square 8.2 mhz Hard Tag (NO.004/RF) EAS tag is widely used in store to protect clothing, hats, bags and so on. It can be used together with EAS accessories, such as pins, lanyards.Can be purchased together with the system, detacher, pin, anti-theft lanyard,all products ...