- Precision Deep Hole Trepanning Drill Head for Maintaining The Core
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- Good-Performance BTA Drill Head Insert for Deep Hole Drilling
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Specialized Drill Head for Deep Hole Trepanning Operations
2025-04-13
introduction 4480
104
Customized
Stub-length
Core Drill Bit
High Speed Steel
Metal Drilling
BTA Drill Head
104
Replaceable
White or Black
Trepanning Drill
Single Tube
Deep Hole Drilling Head
International Express
size
Dezhou
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