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8 1/2'' 215.9mm PDC Bit

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Basical Specification

Size of bit

8 1/2’’

Number of Blades

5

Primary Cutter Size

13mm

Nozzle Qty.

7NZ

Thread Connection

4 1/2 REG

Operating Parameters

RPM (r/min)

60~300

WOB(KN)

20~110

Application

Medium-hard to hard formations with low compressive strength, such as hard shale, limestone, sand-stone, dolomite, hard gypsum, marble, etc.


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NAVIGATION

Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits , mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.

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Junziguan industrial zone, hejian city, hebei province
+86-317 3213999
+86-18232837832
+86-18232837832
+86-18232837832
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