Nq3 Hq3 Pq3 Turbo Core Drill Bits Diamond Drilling Tools

HQ3 NQ3 PQ3 Turbo Core Drill Bits Diamond Drilling Tools

Generally, an overall Drilling System consist of core bits, reaming shells, core barrels, drill rods and drilling rig.

Core Bits are used for drilling materials like the rock, concrete, limestone, granite, marble, clay, basalt, schist, quartz etc..
 

Depending on the range of application as well as the cutting media on the core bits, Roschen makes six types of core bits: 

---Impregnated Diamond Type      
---Surface set Diamond Type
---Tungsten Carbide Type
---PDC Type
---PCD Type
---Electroplated Diamond Type

Sizes Available
Wireline series	Geobor S, WLA, WLB, WLN, WLH, WLP, WLB3, WLN3, WLH3, WLP3, WLN2, AQ, BQ, NQ, HQ, PQ, SQ, PQ3, HQ3, NQ3, BQ3, NQ2, WL-56, WL-66, WL-76
T2 / T series	T2 46, T2 56, T2 66, T2 76, T2 86, T2 101, T46, T56, T66, T76, T86
TT series	TT 46, TT 56
T6 series	T6 76, T6 86, T6 101, T6 116, T6 131, T6 146
T6S series	T6S 76, T6S 86, T6S 101, T6S 116, T6S 131, T6S 146
B series	B46, B56, B66, B76, B86, B101, B116, B131, B146
MLC series	NMLC, HMLC, 3C, 4C, 6C, 8C
LTK series	LTK48, LTK60
WF series	HWF, PWF, SWF, UWF, ZWF
WT series	RWT, EWT, AWT, BWT, NWT, HWT(Single Tube, Double Tube)
WG series	EWG, AWG, BWG, NWG, HWG(Single Tube, Double Tube)
WM series	EWM, AWM, BWM, NWM, HWM
Other sizes	AX, BX, NX, HX, TBW, NQTT, HQTT, TNW, 412F, BTW, TBW, NTW, HTW, T6H, SK6L-146
Chinese standard	56mm, 59mm, 75mm, 89mm, 91mm, 108mm, 110mm, 127mm, 131mm, 150mm, 170mm, 219mm, 275mm
Russian standard	59, 76, 93, 112, 132, 152 mm
Special sizes can also be made as per request.