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PDC bit ---- PDC inserts are set in a cast matrix head using round premium 13.4mm inserts. long life and high penetration - details see: https://www.machineto.com/pdc-bits-for-core-and-nocoring-carbide-stronger-long-life-10317150

PDC bit----PDC inserts are set in a cast matrix head using round premium 13.4mm inserts. PDC bit are widely used in coalfields exploration and for open hole drilling. They possess high penetration than conventional diamond core bit from soft to medium-hard formations, particularly in soft, sticky formations such as coal, oil shale, tarsands, and shallow oil and gas.

PDC bit : 56, 60, 76, 96, 113, 123, 133 and 153mm outer diameters.
PDC core bit : BQ, NQ, NQ3, HQ, HQ3, PQ, PQ3, T2 76, T2 86, T6 101, T6 116, T2 131 and so on.

China Drilling Geological Equipment ltd., is the main manufacturer of drilling tool in china, and specializing in the design and manufacture of premium diamond drilling tools for the world engineering: geotechnical exploration, Mining exploration, Oil exploration and hydrapower station grouting project ( wireline core drilling and double-tube core drilling)

1.Drill rod: BQ,NQ,HQ,PQ, NT, HT,

Thin wall drill rod: BTW, NTW

2.Core barrel: BTW NTW BQ NQ NQ2 NQ3 HQ HQ3 PQ PQ3 & head assembly and assembly

3.AQ,BQ,NQ,HQ,PQ, T2, T6 etc. Diamond core bit, reaming shell & shoe bit (syn. and surface-set, PDC)

4.Drill tool: hoisting plug, water swivel, overshot, outer tube & inner tube wrench, foot clamp,etc.