Outer Diameter : 102mm
Length: 4000-6000mm
Wall Thickness: 8.5mm
Rod Materials: R780
Thread Connect Material: 35CrMo
Thread Pin/Box: API 2-7/8 REG,3-1/2 REG,NC31
Process: Upsetting treatment to reduce the weight of rod while keep the strength on the weld
Rock drilling tools manufacturer Bloom, DTH Drill Pipes
DTH drill tubes are used for connecting DTH hammer and DTH button bits rock drill bits, they are made from seamless tubes. Tubes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH tube are durability, accuracy and manageability.
ALL DTH drill tubes are friction welded, and usually the threads are standard API connections, like 2 3/8" API REG thread, 3 1/2" API REG thread or API IF thread, etc. According to customers request, from 1000mm to 5000mm length of tubes, O.D we can offer 50mm, 60mm, 76mm, 89mm,102mm,114mm
Contact: Chris Li
Phone: 13867850196
E-mail: sales@bloommachinery.com
Whatsapp:+86 13867850196
Add: Hehua Bridge, Yunlong Town, Yinzhou Distric, Ningbo City, ZheJiang Province
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