
Add to Cart
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: