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Made In China High Quality Jack Hammer Drill

1.1-2 low-middle air pressure dth hammer 2.3-12 high air pressure dth hammer withwithout foot valve 3. big hole high air pressure dth hammer 4. reverse circulation hammer 5. down the hole bit 6. overburden drilling 7. hole opener bit 8. thread button bit 9. the others shank adapter coupling sleeves drill tube adapters.

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