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 GK PDC cutter is a Chinese name “Gang Kui” for short, it looks like a helmet. It features higher impact resistance. It is not only useful in homogeneous strata, but also in broken rock or peble rocks. It is known as a Rock Killer.

Features:

• High density (low porosity)
• High compositional & structural homogeneity
• Excellent bonding between diamond particles
• High wear resistance
• High impact resistance
• High thermal stability
• Optimized interface between diamond and tungsten-carbide layers for excellent binding
• Best general performance available in the market
• When the drill bit meets big rocks during drilling into the stratum, the helmet surface of GK helps to crush the rocks or squeeze them into the fissure, so that the cutting surface of GK is protected and its service life is prolonged.

The three performance：

(1)impact resistance：It can stand the impact more than 200 times, but the common PDC can only have 50 times of impact.

(2)wear resistance：The abrasion resistance of GK is highly improved by using the superfined diamond powder and adding some special activated elements and adopting special technology of synthesis. Its wear ratio is up to 500,000 which is twice as the common PDC.
(3)Thermal stability：GK is made by using the special helmet design, so that the stress on the surface of GK will be eliminated and dispersed. There is a special layer called “transition layer” which helpd to improve the thermal stability and bond strength of this product.

Product Specifications   ：