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With hollow core, connecting rod and pilot combined, hollow hammer drill is one of the most efficient tools suitable and widely usedfor hole frilling in hard, aterials like concerte or brick in construction and installation industries, the size and shank structure can be selected according to demands.
We can supply four types of shank: hex shank, SDS-PLU shank, SDS-max shank, long hex shank.
connecting rod of hollow drill
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specification
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110mm
300mm
50mm
160mm
350mm
600mm
200mm
400mm
800mm
250mm
450mm
1000mm
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Hollow Electric Hamme Drill with Various Shank, Hole Saws
Model NO.: 30mm-150mm
HS Code: 8207509000