Gold Member Since 2014
Audited Supplier
Forsun Ultra-hard Material Industry Co., Ltd.

Diamond Core Bit, Diamond Drill Bit, Surface Set Diamond manufacturer / supplier in China, offering D91 D110 D131 Surface Set Diamond Drill Bit, High Grade Aq, Nq, Hq, Pq, Bq Drilling Pipes, 66mm PDC Non-Coring Bit and so on.

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Supplier Homepage Product Core Bit D91 D110 D131 Surface Set Diamond Drill Bit

D91 D110 D131 Surface Set Diamond Drill Bit

FOB Price: US $100-200 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100-200/ Piece
Get Latest Price
Port: Changsha, China
Production Capacity: 1000 Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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Basic Info
  • Model NO.: D91 D110 D131
  • Graininess: 100#
  • Shape: Round
  • Kind: Diamond Drill
  • Transport Package: Carton
  • Origin: Changsha Hunan
  • Material: Diamond
  • Thickness: 5mm
  • Brand: Diamond
  • Trademark: FORSUN
  • Specification: ISO9001
  • HS Code: 82071910
Product Description
Diamond core drill bit for sandstone
1. High penetration rate
2. High core recovery ratio
3. Long life of drilling service
Diamond core drill bit for sandstone

Our impregnated diamond core bits are the most commonly useful bits in the mineral exploration industry, as they have the widest range of application. The carefully selected grades of high quality synthetic diamond are distributed in the depth of impregnated bit's matrix series. The matrix layer of the "DIYFIA" contains a uniform distribution of these crystal that are embedded in a powdered metal bond.

The matrix of our impregnated bits is designed to expose new diamonds to the bits' cutting face as wear occurs. Fast penetration rate is maintained as a result of this action.

Dimensions of Core Bits
Q Series
AQ, BQ, NQ, NQ2, NQ3, HQ, HQ2, HQ3, PQ, PQ2, PQ3
T, TT, T2&TB Series
T36, TT46, T2-46, TB56, TT56, T2-56, T2-66, T2-76, T2-76 Core line, T2-86, T2-86 Core line, T2-101, T2-101Core line
T6 Series
T6-76, T6-86, T6-101, T6-116, T6-131, T6-146
B Series (ISO3552-1)
B36, B46, B56, B66, B76, B86, B101, B116, B131, B146
WF Series:
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:
N Guage Core Bits
H Gauge Core Bits
WLH, WLH-3.830, WLH-3.895, WLH3, WLHTT, HMLC, HWF-long, HWM, HWT
D91 D110 D131 
Surface set  step size
Diamond  semi-round

D91 D110 D131 Surface Set Diamond Drill Bit
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