159mm welding drill pipe online manufacture

Steel Pipe Round Drill Pipes For Rock Drilling Tools Product Description Down the hole drill pipes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The ... Read More

High Quality Water Pipe Round Drill Pipe Price Product Description Materail: high quality low carbon steel to ensure good resistance to strench and tensile; Outside Diameter: from 60mm to140mm, large diameter ... Read More

89mm High Pressure Drill Pipes For Water Well Drilling Product Description 1. OD: 4-1/2' IR drill pipe 2. Steel grade: E75/R780/G105/S135 3. Pipe wall thickness: 8.56mm 4. Length : 25' (7.62M) 5. Tool joint: 2... Read More

Hard Bending High Strength Deep Well Drill Pipe Product Description This DTH drill pipe, the shortened form of down the hole drill pipe, is a kind of outer flat drill rod. It is mainly used in rotary percussive ... Read More

Rotary Drilling Rod Pipe Well Drilling Extension Drill Rod Product Description Drill pipes that are used in applications such as DTH/ DTHR/ DR basically comprise of a steel pipe with a pin at one end and a box ... Read More

API Reg Rod / Drill Pipe With Wrench Flat For DTH Drilling Product Description Specification : 1. Reliable working performance 2. Outside Size:60mm,76mm,89mm,114mm,140mm 3. Thread:API Reg 4. Wall Thickness: 5.5... Read More

Ultra Durable Portable Round Drill Pipe For Well Drilling Product Description 1. Reliable and wear-resistant 2. In-house heat treament for optimum surface hardness and case depth 3. Customizable for steel grade... Read More

High Quality Steel DTH Drill Pipe For Drilling Oilwell Product Description According to different application, different diameters of drill tubes are needed, basically, smaller DTH hammers need smaller DTH ... Read More

API Drill Pipe , Casing Pipe Tubing Pipe Product Description The material The geological drill rod body is made of special alloy steel rod (R780, DZ50), and the geological drill bit is made of high quality ... Read More

R780/N80 Steel 0.3inch Wall Thickness Forging DTH API Drill Pipe / Drill Casing Pipe API Drill Pipe , Casing Pipe Tubing Pipe Product Description The material The geological drill rod body is made of special ... Read More