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PDC Drill Bit （E Type）
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TSP Drill Bit （ET Type）
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ND Drill Bit （EN Type）
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EF Drill Bit （EF Type）
Drill bit selection guide
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Copyright ? Wuhan Eastar Tool Company Limited All rights reserved.
Zip: 430205 Tel: +86-27-59415889 Fax: +86-27-59415882 E-mail: info@wheastar.com
Hubei ICP Record No. 08000728
