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高质量螺纹钎具-连接套
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16
2023-01
莲花山钎具只做高质量钎具

How to producehollow steel for drill rods?
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22
2022-12
The processes of hollow steel for drill rods are as follow:

-smelted by an electric furnace

-refined by an LF furnace

-cast by a bloom caster

-rolling intermediate billet by a blooming mill

-dril
Shank adapters for high-power hydraulic rock drills,
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22
2022-12
Shank adapters for high-power hydraulic rock drills,
ST58 thread, 635mm in length
For HL1500 hydraulic rock drill
Why are therequirements on the performance and quality of drill rods the most stringent in the drill string?
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12
2022-12
Drill rods of the drill string need to endure the high frequency impact energy of hydraulic rock drills in drilling operation, to transmitenergy through rod bodies to drill bits at the speed of stress
High-quality drilling tools for underground tunneling
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12
2022-12
High-quality drilling tools for underground tunneling
Drill bits of 43mm and 45mm;
H35 drifter rods of 3700mm and 4305mm;
Reaming bits of 76mm, 89mm and 102mm
T38 shank adapters
High-quality tapered rods
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06
2022-12
High-quality tapered rods

Fully carburized process

Tapered rods with excellent performance
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