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PDC bolt bits are used in coal mines and tunnels

It is mainly used for: the coal mine and the tunnel hanging net through the wrong cable to prevent the coal seam or rock in the cave from falling Applicable strata: coal seam, dolomite, limestone and other medium and hard strata


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Model:
28#
Brand:
jin xin

Product Description

PDC sizes:1005/1304/1308

Common drill bit sizes: 28mm- 45 mm

Drill bit connection thread: M14*1.5, M14*2.0, M16*2.0, B19

PDC bolt bits are used in coal mines and tunnels

Product Information:

1. wear resistance

2. high efficiency

3. long service life

4. direct selling with reasonable price

5. MOQ: 1pcs for checking the quality

6.customized order is available

Boit bits

Bolt bits (2)

mine Highway tunnels PDC rock drilling drill bits pdc drill bits manufacturers

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PDC bolt bits are used in coal mines and tunnels

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