
API Standard Drill Pipe NQ HQ PQ BQ NW HW PW Wireline Hardened Drill Rod
Geological steel pipe-entire length thermal treatment, NC lathe with former cutters
Material:30CrMnSiA or 45MnMoB or XJY850 or BG850
Q series Rod parameter-geological steel pipe-entire length thermal treatment, NQ lathe with former cutters | |||||
Spec. | Unit | BQ | NQ | HQ | PQ |
OD/ID | mm | 55.6/46 | 71/60 | 89/77.8 | 114.3/101.6 |
Thickness | mm | 4.8 | 5.5 | 5.6 | 6.35 |
Length | m | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 |
Weight | kg/m | 6.01 | 8.8 | 11.51 | 17.3 |
thread length | mm | 44.45 | 44.45 | 44.45 | 63.5 |
thread pitch | thread/inch | 3 | 3 | 3 | 2.5 |
box thread tooth height | mm | 0.76 | 0.76 | 0.76 | 1.17 |
pin thread tooth height | mm | 0.88 | 0.88 | 0.88 | 1.27 |
thread tooth angle | . | 29 | 29 | 29 | 29 |
tensile resistance(A series) | kn | 400 | 530 | 510 | 565 |
tensile resistance(B series) | kn | 450 | 615 | 625 | 660 |
bore depth | m | 1200 | 1000 | 900 | 800 |
QR series Rod parameter-geological steel pipe-entire length thermal treatment, NQ lathe with former cutters | |||||
Spec. | Unit | BRQ | NRQ | HRQ | PRQ |
OD/ID | mm | 55.6/46 | 69.9/60.3 | 88.9/77.8 | 114.3/101.6 |
Length | m | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 |
Weight | kg/m | 6.01 | 8.8 | 11.51 | 17.3 |
thread length | mm | 42 | 42 | 41.91 | 63.5 |
thread pitch | thread/inch | 3 | 3 | 3 | 2.5 |
box thread tooth height | mm | 0.76 | 0.76 | 0.76 | 1.17 |
pin thread tooth height | mm | 0.88 | 0.88 | 0.88 | 1.27 |
thread tooth negative angle | . | 5 | 5 | 5 | 5 |
tensile resistance(A) | kn | 450 | 525 | 545 | 565 |
tensile resistance(B) | kn | 530 | 625.5 | 602 | 660 |
bore depth | m |
About us
MIROC® Rock Drilling Tools are Rock Drilling Tools Brand by KSQ Tecnologies (Beijing) Co. Ltd.
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical
know-how in development, production, and application. The company
has adopted advanced manufacturing processes to ensure high quality
steels and tungsten carbide inserts for its rock drilling
accessories. Its personnel understand clients’ drilling needs, and
have the service skills to recommend the right drilling tools for
the job. Its experienced product developers can also create custom
tools. Furthermore, the company’s development team introduces
innovative products each year – tools that are rigorously tested in
the field and proven
to perform beyond industry expectations.
MIROC® Rock Drilling and Ground Support Tools include:
Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers
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: