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              | The Drilling   Reamer |  
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                      | The drilling reamer is used for reaming in drilling   operation?Despecially used for the function of stabilization in drilling of the   abrasive formation?DIt is a very popular tool which is suitable for hole with   range from 4 5/8 to 26???DAdditionally??it can be used to different hole when   equipped the same body with bearing block and roller?DThe body is made of   modified alloy steel?Dfully heat treated to 285-341 Brinell hardness and 54J   minimum impact strength.Connections are phosphatized,coated and equipped with   thread protectors and are gauged to API   Standard. 
 Specifications
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