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Category: | Industrial Supplies / Mining Machine |
Label: | button bits , tapping hole bits |
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Last Online:27 Oct, 2023 |
Drill rods with thread copper welded Tunsgten Carbide bits
For very difficult tap holes with hard clays and some inclusions of slag and iron.It is made of a high alloy steel with cooper welded tungsten carbide point tips.
size: 43mm-120mm diameter.