Drill pipes that are used in applications such as DTH basically comprise of a steel pipe with a pin at one end and a box on the other. The job of the drill pipe is to transmit rotational torque and thrust from the drill rig rotary head to down hole drilling tools.
API Standard Forging DTH Drilling AdapterAPI Standard Forging DTH Drilling Adapter with Pin to Box Male to Female Thread. Application. The adaptor subs are used for connecting different size of rods or casings. Adaptors are made of high quality alloy steel,now we have rod sub adapters include Box to Box (female to female), Box to Pin (Female to Male), Pin to Pin (Male to Male)in different size and thread.
5.COP series high air pressure DTH hammer includes:COP44,COP54,COP64,COP84. Connect Thread :API 2 3/8" , API 3 1/2 , Reg-6 5/8"Reg etc. DTH Hammer Advatages. 1.Valveless air distribution.More reliable. 2.Simple design of the piston.long life span. 3.More effcient energy transfer,faster drilling speed,lower air consumption and lower oil
DTH API Drill Tube Precision Ground Drill Rod For Water DTH API Drill Tube Precision Ground Drill Rod For Water Well Hole Drilling . Description. Drill pipe is designed to allow the introduction of a drilling fluid or air to the bit and to provide the mechanism to transfer energy developed by the drill motor to the bit.
DTH Drill Tubes with Sub Adaptors - China Casing Drilling DTH Drill Tubes with Sub Adaptors. Specification:1.Outside Diameter:22.214.171.124.127.140.168.mm 2.Wall Thickness:9-45mm 3.Materail:alloy steel 4.Usage:water well drilling,mining,oil drilling,building,machinery,traffic 5. Method:cold drawn,hot rolled or hot expand 6.Long service life 7.High quality and best price Standard:
DTH HAMMERS.. DTH Hammers which are provided with optimum functionality and high tolerance power. These tools are extensively used for down-the-hole drilling purposes.Our series of DTH Hammers are valve less hammers with optimized air cycle frequency with high penetration rates. These are heavy duty DTH hammers that well at greater depths by less air usage; delivering minimum
DTH and RC drill rods - Changsha Sollroc Engineering 2 3/8" 2-7/8" 3-1/2" 4 1/2" API Reg DTH Rod Drill Pipe Drill Tube with Wrench Flat for DTH Drilling
OD 89mm RC Drill Pipe , Mining High - DTH Drilling ToolsQuality Drill Steel Pipe manufacturers & exporter - buy OD 89mm RC Drill Pipe , Mining High Abrasion Resistant Steel Boring Rods from China manufacturer. Alloy Steel:Usage:Water Well Drilling, Foundation Drilling:Certificate:ISO9001:Welding Method:Friction Welding:89mm high quality low price dth hammer bit and dth drill pipe 2 3/8
DHD360 8 1/2 Inch DTH Drill Bit High Strength Alloy Steel Material. Mission 50-140 DTH Hammer Bits , Water / Geothermal Well Drilling Button Bit. QL60 203 DTH Drill Bit 152mm-203mm Bit Diameter Optional ISO9001 Approval. Down The Hole Hammer. 5 Inch Reverse Circulation RC Hammer , Geological Exploration Dth Drilling System
Specification for Threading and Gauging of Rotary - APIAddendum 1 to Specification for Threading and Gauging of Rotary Shouldered Thread Connections Summary of changes Clause 3:Delete reference to API Spec 7, include reference to API Spec 5DP. Table 1, Column 9, Change tolerance on LPC from 0/3 to 0/3,18 Table 1, footnote (c), Replace 5 mm with 0/ 5 mm Figure 7 (b), Replace as shown [decrease groove depth from 6,4 (0.25) to 1,6 (0.062)]
Straightness alloy steel Heavy Weight Drill Pipe DCDMA Straightness alloy steel Heavy Weight Drill Pipe DCDMA Standard AQ BQ NQ HQ PQ Straightness alloy steel Heavy Weight Drill Pipe AQ BQ NQ HQ PQ Specifications:Q series thread drill rods are the undisputed, worldwide choice for wireline coring drill rods. 1. High quality alloy tube 2. Thru-wall heat treated tube body 3.