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8 1/2'' 215.9mm PDC Bit Steel Body 4 Blades

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Basical Specification

Size of bit

8 1/2’’

Number of Blades

4

Primary Cutter Size

16mm

Nozzle Qty.

6NZ

Thread Connection

4 1/2 REG

Operating Parameters

RPM (r/min)

80~800

WOB(KN)

30~120

Application

soft and medium soft layer,high abrasive formation

Bit characteristics:suitable for soft and medium soft layer,high abrasive formation.

Bit performance:blade less,chip space is large ,and the use of good abrasion resistance,strong anti impact properties of high quality pdc films,is conducive to the

Three-dimensional rotating spiral blade runner injection,fast cutting exhaust,improve the service life of drill bits.Using swirl channel change bottom flow field,avoid duplication of cuttings,greatly improve the drilling speed.


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NAVIGATION

Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits since 2012, 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 8114222
+86-18232837832
+86-18232837832
+86-18232837832
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