1. We are specially to cutting granite over 15years in China. All of our granite export to the international market. 2.Our diamond drill bit are suitable for wide range of geological formations from the softest to the hardest rock, widely used in all kinds of drillings for prospecting, water and electricity building and construction industry of road , railway ,bridge and building taking out core examine stake . 3. High quickly drill speed and long time drill life. 4.Materials: super man-made diamond. Copper powder and so on. Size: Size Available: 1. A-Gauge Core Bits: AQ, AQ-RSG, AWG(AX), AWM, AWT, LTK48 2. B-Gauge Core Bits: BQ, BQ-RSG, BQ-2.400, BQ3, BWG(BX), BWM, BWT, LTK60, TBW 3. N-Gauge Core Bits: NQ, NQ-3.032, NQ2, NQ2-RSG, NQ3/NQTT, NQ3-RSG, NQ3-3.032, NMLC, NWG(NX), NWM, NWT, TNW 4. H-Gauge Core Bits: NQ, HQ-RSG, HQ-3.830, HQ-3.895, HQ3/HQTT, HQ3-RSG, HQ3-3.380, HQ3-3.895, HMLC, HWF-Long, HWF-Short, HWG(HX), HWT 5. P- Gauge Core Bits: PQ, PQ3, PWF-Long, PWF-Short 6. S- Gauge Core Bits: SWF-Long, SWF-Short 7. U- Gauge Core Bits: UWF-Long, UWF-Short 8. Z- Gauge Core Bits: ZWF-Long, ZWF-Short 9. T, TT, T2 &TB Series Metric Core Bits: T36, TT46, T2-46, TB56, TT56, T2-56, T2-66, T2-76, T2-76 coreline, T2-86, T2-86 coreline, T2-101, T2-101 coreline 10. T6 Series Metric Core Bits: T6-76, T6-86, T6-101, T6-116, T6-131, T6-146 11. T6S Series Metric Core Bits: T6S-76, T6S-86, T6S-101, T6S-116, T6S-131, T6S-146 12. B Series(ISO3552-1) Metric Core Bits: B36, B46, B56, B65, B76, B86, B101, B116, B131, B146 13. Chinese Standard Metric Core Bits for Single Tube Core Barrels: Ï?36, Ï?46, Ï?56, Ï?59, Ï?75, Ï?91, Ï?110, Ï?130, Ï?160, Ï?170, Ï?219, Ï?275 14. Chinese Standard Metric Core Bits for Double Tube Core Barrels: Ï?56, Ï?59, Ï?75, Ï?91
Products advantage A. Selected higher quality diamond powder, improved the sintering technique, enhanced the bond combination strength between diamond grain; B.Improved the inner structure of the sintered cavity, the pressure and temperature become more balance, which ensure the cutter has more stable performance; C.Adopted a new type of carbide, which improved the weld strength; D.Optimized the designation of joint face, which reduced the residual stress.
Products advantage A. Selected higher quality diamond powder, improved the sintering technique, enhanced the bond combination strength between diamond grain; B.Improved the inner structure of the sintered cavity, the pressure and temperature become more balance, which ensure the cutter has more stable performance; C.Adopted a new type of carbide, which improved the weld strength; D.Optimized the designation of joint face, which reduced the residual stress.
Q: Are you trading company or manufacturer ? A: We are factory. Q: How long is your delivery time? A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity. Q: Do you provide samples ? is it free or extra ? A: Yes, we could offer the sample for free charge but do not pay the cost of freight. Q: What is your terms of payment ? A: Payment=1000USD, 30% T/T in advance ,balance before shippment. If you have another question, pls feel free to contact us as below:
Products advantage A. Selected higher quality diamond powder, improved the sintering technique, enhanced the bond combination strength between diamond grain; B.Improved the inner structure of the sintered cavity, the pressure and temperature become more balance, which ensure the cutter has more stable performance; C.Adopted a new type of carbide, which improved the weld strength; D.Optimized the designation of joint face, which reduced the residual stress.
A. Selected higher quality diamond powder, improved the sintering technique, enhanced the bond combination strength between diamond grain; B.Improved the inner structure of the sintered cavity, the pressure and temperature become more balance, which ensure the cutter has more stable performance; C.Adopted a new type of carbide, which improved the weld strength; D.Optimized the designation of joint face, which reduced the residual stress.
Products advantage A. Selected higher quality diamond powder, improved the sintering technique, enhanced the bond combination strength between diamond grain; B.Improved the inner structure of the sintered cavity, the pressure and temperature become more balance, which ensure the cutter has more stable performance; C.Adopted a new type of carbide, which improved the weld strength; D.Optimized the designation of joint face, which reduced the residual stress.