
89mm Dual tube diamond drill bit for Geological exploration drilling.
Description:
89mm Dual tube diamond drill bit :
Size: 89mm
Drill rig type: drilling rig machine.
Specifications:
Standard | Category | Common size |
Chinese standard | Single tube | φ28 φ36 φ47 φ60 φ75 φ91 φ110 φ130 φ151 φ170 φ200 |
Dual tube | P46 P56 P59 P75 P91 P110 P130 P150 P157 | |
Wri-line core | S47 S59 S60 S75 S76 S77 S78 S91 S94 S95 S96 S98 S112 | |
Overseas standard | Q Series | AQ BQ NQ HQ PQ BQ3 NQ3 HQ3 PQ3 AW BW NW HW PW |
Others | ATW BTW NTW |
Size | Outside diameter(mm) | Inside diameter(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 |
NQ2 | 75.44/75.19 | 50.80/50.55 |
NQ3, NQTT | 75.44/75.19 | 45.21/44.96 |
HQ | 95.76/95.38 | 63.63/63.38 |
HQ3, HQTT | 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 |
Related products
Product testing![]()
Diamond bits Crown Shape
Diamond bits Crown Shape and Applications | ||
![]() | Flat | applicable to drilling different levels of hardness or abrasive formation, generally for single and dual tube drill bits. |
![]() | Semi-round | good distribution of the diamond at bit face, adapt to a small broken or loose formation, applicable to drilling medium-hard and hard formation. |
![]() | Ladder | applicable to drilling medium-hard, broken or interbedded formations, hole deviation can be prevented. |
![]() | Serrated | applicable to drilling hard and dense formation, Enhancing drilling rate. |
![]() | Ladder serrated | applicable to drilling medium-hard, have good stability during the drilling. |
![]() | Gear type | applicable to harder or dense formations, enhancing drilling rate. |
![]() | Bottom jetting | bottom jetting applicable to drilling sedimentary or metamorphic formations which containing more power, high coring recovery rate and avoid excessive washout of core . |
KSQ Technologies (Beijing) Co. Ltd. is a company that shall cater to the needs of the construction and mining industries, with consideration on providing solutions to the following unique problems:
A: We are factory.
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.
A: No, we dont offer free samples, it need to pay first but we will return it back in future orders
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:
KSQ Technologies (Beijing) Co. Ltd
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations.
Our operations are based on the unique expertise of our people and knowledge with customer processes. Our portfolio includes:
KSQ Technologies (Beijing) Co. Ltd. is a company that shall cater to the needs of the construction and mining industries, with consideration on providing solutions to the following unique problems:
Covering markets worldwide, KSQ Technologies (Beijing) Co. Ltd. is distinct due to its business missions:
KSQ is guided by the following values: