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: φ36, φ46, φ56, φ59, φ75, φ91, φ110, φ130, φ160, φ170, φ219, φ275
14. Chinese Standard Metric Core Bits for Double Tube Core Barrels: φ56, φ59, φ75, φ91
15. Chinese Standard Metric Core Bits for Wireline Core Barrels: φ59, φ75, φ91
Core Barrel Specification | Outside Set Diameter | lnside Set Diameter |
Maximum | Minimum | Maximum | Minimum |
lnches | mm | lnches | mm | lnches | mm | lnches | mm |
AQ | 1.880 | 47.75 | 1.870 | 47.5 | 1.607 | 27.10 | 1.057 | 26.85 |
BQ | 2.350 | 59.69 | 2.340 | 59.44 | 1.438 | 1.428 | 36.52 | 36.27 |
NQ | 2.970 | 75.44 | 2.960 | 75.19 | 1.880 | 47.75 | 1.870 | 47.50 |
HQ | 3.770 | 95.76 | 3.755 | 95.38 | 2.505 | 63.63 | 2.495 | 63.38 |
PQ | 4.815 | 122.3 | 4.795 | 121.8 | 3.350 | 85.09 | 3.340 | 84.84 |
T2-101 | 3.981 | 101.12 | 3.971 | 100.8 | 3.300 | 83.82 | 3.290 | 83.57 |
T6-101 | 3.981 | 101.12 | 3.971 | 100.8 | 3.115 | 79.12 | 3.105 | 78 |
Payment term:
1, L/C at sight
2, T/T: 25% deposit by T/T, the balance by copy of B/L
Trade term: Ex-work, FOB or CIF are all acceptable
Packing detail:
Slab pack with wooden shelf or crates.
Step and tiles packing with wooden boxes.
All of goods are inspected carefully by our QC Before delivery.
Lead time:
It depend on the customers requirements and quanitity.
1, Over 15 years experience in stone in China.
2, All of our granite export to the international market.
3, Higher quality and best service on time.
4, Very good polish( polished by auto-machine) and good packing.
5, Our business aim: let you win your market and make money on you. Then to us.
1, Pre-service:
We will analysis the customer requirements on diamond drill bit, and analysis the customer stone is belonged to which kind of stone. The hardness, the strength and so on.
We will adjust our make way of technology of diamond drill bit according customers requirements on cutting plan or cutting speed.
The best way is that the customer can give us one or two pcs samples, we will analysis the samples carefully with our machine. And we can get more exactly data from the diamond drill bit. Then we will give our customer our best price depend on the same quality as the customers samples. If our price is workable in the customers’ market, we will make several sets of samples to texting on the customer market. Then we will get the correct testing result and adjust our make way according the testing result. Then we will improve it and find a better way to make this kind of diamond segments and ensure our diamond segments can fit the customers stone.
2. In-sale service:
1),Every step, we will arrange the QC to inspection and sign.
2), Schedule about the making. We will notice our customer on time.
3,) the shipping ,message: such as shipping date, shipping cost and shipping documents for customers
3, After-service:
Every problem on our diamond segments quality, take photos for us. We will bear your lose if it is our quality problem, we will solve this problem on the next orders. And ship the good quality goods to you with your free charges.