Brand Name : Prodrill
Model Number : 76mm, 89mm,
Certification : ISO9001
Place of Origin : China
MOQ : 1 pcs
Price : $60-100$
Supply Ability : 5000 pcs per month
Packaging Details : Export Standard steel frame
Type : drill rod tube pipe
Material : High Manganese Steel
Spec : API Pipe
Out diameter : 76mm, 89mm, 102mm
Length : 3-10m
Thickness : 6.45-12.7mm
Use : Water well, rock drilling , mining
Product Name: | drill pipes and DTH hammer | |||||
Description: | drill pipes and DTH hammer DTH hammers are used for high air pressure mining dth hammerblast hole drilling and water well drilling project. Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining, Marble quarry or well drilling and other construction projects. | |||||
Quality level: | 95% similarity to COP/SD/MISSION/QL/BR/DHD etc famous brand | |||||
MOQ: | No requirement for testing and trial order | |||||
Series: | COP/ SD/ DHD/ IR/ Mission/ QL/ BR/ CIR etc | |||||
Specification: | Weight (kg) | External Diameter (mm) | Connection thread | Hole rang (mm) | Impact rate | Recommended rotation speed |
Low air pressure DTH hammer CIR type | 5 ~22 | 50~180 | CIR** | 55~200 | 820 rpm | |
Middle air pressure BR & COP type | 10~30 | 70~110 | 85~115 | |||
3 inch DTH hammer COP34/QL30 etc | 24.5 | 81 | API 2 3/8” Reg | 90~110 | 28Hz (at 17 bar) | 28 r/min |
4 inch DTH hammer COP44/DHD340 etc | 39.2 | 99 | API 2 3/8” Reg | 110~150 | 27Hz (at 17 bar) | 25~40 r/min |
5 inch DTH hammer COP54/Mission50 etc | 71.5 | 125 | API 2 3/8” or API 3 1/2” Reg | 135~165 | 25Hz (at 17 bar) | 20~30 r/min |
6 inch DTH hammer COP64/QL60 etc | 98 | 142 | API 3 1/2” Reg | 152~216 | 23Hz (at 17 bar) | 15~25 r/min |
8 inch DTH hammer COP84/SD8 etc | 188 | 180 | API 4 1/2” Reg | 203~305 | 20Hz (at 17 bar) | 15~20 r/ |
Dow th how DTH drill pipe Images |