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$1301 Piece
$75Product information
High-quality Nq Impregnated Diamond Core Drill Bit Weight 2kgs Model NO. Nq Origin China Original China Material Diamond Crowed Height supplied by Changsha Xingtan Machinery Co., Ltd. Bulk wholesale pricing ranges from $75 to $130 per Piece with a minimum order of 1 Piece. Inquiry for latest prices.
10000 Per Months
10000PCS
1KGS
2kgs
8207191000
8mm
All Hard Rock
All Size
10000 Per Months
10000PCS
1KGS
2kgs
8207191000
8mm
All Hard Rock
All Size
Bq Nq Hq Pq Sw Uw
China
China
Designed by Customers
Diamond
FOB, CIF
LC, T/T
Nq
Shanghai Port
Very Hard
Xingtan
by Sea or by Air
China
Not specified
Not specified
2008-07-01
Not specified
Not specified
LC, T/T
FOB, CIF
Shanghai Port
1:the impregnated diamond core bits feature drilling speed and long service life
2:the design of more cutting edges makes drilling progress smoother
3:during the manufacturing process, the diamond is free erosion and fully utilized
4:the impregnated diamond core drill bits are of various configurations and meet various needs of local conditions
5:it offers the most widely-used bit matrices as well
6:with various specifications, our series matrix range provide an easy selection and reliable foundation for your drilling needs
Size:our bits are available in all standard drilling sizes. Also, non-standard sized bits can be produced according to requirements from clients
Matrix height:6mm-8mm (most cost-effective), 8mm-10mm (long service life), 12mm-16mm (super service life)
Bit Crown Profiles:"W" profile, "Flat" profile, "Semi-round" profile, "Cross" profile, "Gear profile"
Waterways:Various waterways are available for diamond impregnated bits. Differing waterways allow for better flushing in various ground conditions and drilling systems.
Threads:standard Q threads as well as thread types required by clients are available
Model: T2 series, T6 series, T6S series, NMLC, HMLC, BQ, NQ(3), HQ(3), PQ(3), NX etc
Chart of Sizes:
| Size | O.D | I.D |
| mm | mm | |
| AQ | 47.75/47.50 | 27.10/26.85 |
| BQ | 59.69/59.44 | 36.52/36.27 |
| BQ3 | 59.69/59.44 | 33.65/33.40 |
| NQ | 75.44/75.19 | 47.75/47.50 |
| NQ3 | 75.44/75.19 | 45.21/44.96 |
| HQ | 95.76/95.38 | 63.63/63.38 |
| HQ3 | 95.76/95.38 | 61.24/60.99 |
| PQ | 122.30/121.80 | 85.09/84.84 |
| PQ3 | 122.30/121.80 | 83.18/82.93 |
| Core bits for N-series double core barrels | ||
| NMLC | 75.44/75.19 | 52.12/51.87 |
| HMLC | 98.98/98.60 | 63.63/63.38 |
| Core bits for T2 series double core barrels | ||
| T2-46 | 46.18/45.92 | 31.82/31.57 |
| T2-56 | 56.13/55.88 | 41.83/41.58 |
| T2-76 | 76.12/75.87 | 61.82/61.57 |
| T2-86 | 86.13/85.88 | 71.83/71.58 |
| T2-101 | 101.12/100.87 | 83.82/83.57 |
| Core bits for T6 series double core barrels | ||
| T6-76 | 76.12/75.87 | 57.12/56.87 |
| T6-86 | 86.13/85.88 | 67.13/66.88 |
| T6-101 | 101.12/100.87 | 79.12/78.87 |
| T6-116 | 116.20/115.82 | 93.14/92.89 |
| T6-131 | 131.19/130.81 | 108.13/107.88 |
| T6-146 | 146.18/145.80 | 123.11/122.86 |
| Core bits for Chinese standard single tube core barrels | ||
| 59 | 59.5 | 41.5 |
| 75 | 75.2 | 54.5 |
| 91 | 91.2 | 68 |
| 110 | 111.2 | 93 |
| 130 | 131.2 | 113 |
| 150 | 151.2 | 133 |
| 170 | 171.2 | 149 |
| 219 | 225.2 | 197 |
| Core bits for Chinese standard double tube core barrels | ||
| 75 | 75.2 | 54.5 |
| 91 | 91.2 | 68 |
| 110 | 111.2 | 93 |





Q:Are you manufacturer?
Yes, we are factory with more than 20 years of manufacturing experience.
Q:What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. Before shipping, we will send all detailpictures and packing list. L/C
Q:What is the warranty of our machine?
A:Our main machine for 1 year warranty, And we provide videos for machine install and operation, Provide spare parts service on time.
Q: How long is your delivery time?
A: Generally it is 5-10 days if in stock. or it is 15-20 days if the goods are not in stock according to quantity.
Q:How do you make our business long-term and good relationship?
A:We keep good quality and competitive price to ensure our customers benefits;


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$130
/ Piece
Min. order: 1 Piece