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Hanlinsky Surface set diamond core bits is primarily recommended for use in drilling relatively soft, abrasive, unconsolidated formations that are not effectively drilled by impregnated diamond bit. 

It is also recommended for use in drilling harder formations where the available rotary speeds and bit loads are insufficient to use impregnated diamond bits due to drilling equipment limitations. 

In most cases, surface set diamond bits will provide higher rates of penetration than in softer formations due largely to the greater degree of exposure of the individual diamond crystals. 

Characteristics
1.6mm, 8mm, 10mm, 12mm working layer
2. High quality synthetic diamond powder
3. Patented matrix formulation

Size Available: 
Q series: AQ, BQ, NQ, HQ, PQ, BQ3, NQ2, NQ3, HQ3, PQ3...
T2 series: T2-46, T2-56, T2-66, T2-76, T2-86, T2-101
T6 series: T6-76, T6-86, T6-101, T6-116, T6-131, T6-146
T6S series: T6S-76, T6S-86, T6S-116, T6S-131, T6S-146
B series: B36, B46, B56, B76, B86, B101, B116, B146
WF series: HWF, PWF, SWF, UWF, ZWF
WG series: EWG, AWG, BWG, NWG, HWG
WM series: EWM, AWM, BWM
WT series: RWT, EWT, AWT, NWT, HWT
Others: NMLC, HMLC, LTK48, LTK60, EWK, AWK.