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PDC (Polycrystalline Diamond Compact) Cutter

As a superabrasive ltd, E-Grind produces high-quality Polycrystalline diamond composite(PDC) and polycrystalline diamond compact cutters.


Polycrystalline diamond composite(PDC) sheet is made of diamond particles and cemented carbide matrix sintered at 60,000 atmospheres, high temperature and high pressure above 1500 ℃, and has the high hardness of diamond and the high toughness of cemented carbide. The diamond composite sheet has extremely high wear resistance, impact resistance and good thermal stability, and is specially used for oil drilling bits and can also be used for other rock or mining drilling operations.
Customized Diamond PDC

E-Grind can provide a full range of diamond PDC with diameters ranging from 8mm to 19mm. And we can also provider polycrystalline diamond compact cutters which can be customized according to customer needs.

Polycrystalline diamond composite


D+T is generally used to indicate product specifications

C is Diamond chamfer, the standard degree is 45°, 0.3 mm length.

Diamond table (t) thickness is 2.0 mm, 1.5 mm, 1.0mm.

Dimension can be customized according to customer needs


Available Spec for Oil/gas Grade
DT 16 13 10 8 4
19 * • * * o
16 * • * • o
13 o • * • •
10 o o • • •
8 o o o • •
Available Spec for Mining Grade

DT 16 13 10 8 4
19 o • * • o
16 o • * • o
13 o * * • •
10 o o • • •
8 o o o • •
Diamond-reinforced composite cutter are formed by sintering diamond particles and cemented carbide matrix at high temperature and pressure, which not only has the high wear resistance of diamond, but also has the high strength of cemented carbide. The products are widely used in roller cone bits, down-the-hole drill bits, picks, crushing machinery and other fields, and are the best substitute for cemented carbide cutter.

The diamond-reinforced composite cutter adopts the transition layer technology between the diamond layer and the cemented carbide layer, which has outstanding impact resistance and ultra-high wear resistance, making it widely used in high-end PDC bits, such as shock-absorbing cutter, Center cutter, gauge cutter, etc.

Henan E-Grind Abrasives Co., Ltd. was founded in 2009. However we have more than 50 years of experience in the superabrasiveindustry.



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