What is the working principle of diamond core bits? The drill bit that makes the cutting edge is called a diamond core bit. The drill bit is an integrated drill bit. The entire drill bit has no moving parts. The structure is relatively simple, with high strength, high wear resistance and impact resi
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How to classify core barrels? A section of pipe connected to the upper part of the drill bit to accommodate and protect the core during core barrel. This article will introduce the classification of core barrel. This article contains the following:n What is core barrel?n Single layer core barreln do
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PQ HQ NQ
ROSCHEN
ROS-UDC-PQ HQ NQ
Product Description
Ultramatrix Core Bits with Diamond Drill Bit PQ HQ NQ
Product Description:
1. Diamond drill bit for sandstone drilling
1) Alloy steel Body, made by material ASTM4142 or 42CrMo, heat treatment with 40-44HRC hardness, has high toughness and wearable character. Tip with above 50 HRC hardness is made from Low press Sintered, and Suitable Grade Selected according to the Target Projects, Which are to make sure the good performance during working.
2) The products adapt to the machine with all the performance features such as a high feed rate, a long service life and short tool changing times. Together with the parts supply assurance, a high daily production volume, and above-average economy is guaranteed.
3) The complete tools apply for foundation creation, solid wall, water well drilling, trenching, mining, tunnelling.
Parameters of Diamond drill bit for sandstone drilling.
For hard rock and Rock drill bits Diamond core drill bits PQ HQ NQ Impregnated Core Bits For Sandstone Drilling
1) Diamond Drill Bit
2) Diamond Core Drilling Bit
3) PDC Diamond Drill Bit
Specifications:
Size | Outside Set Diameter | lnside Set Diameter | ||||||
Maximum | Minimum | Maximum | Minimum | |||||
lnches | mm | lnches | mm | lnches | mm | lnches | mm | |
AQ | 1.88 | 47.75 | 1.87 | 47.5 | 1.607 | 27.1 | 1.057 | 26.85 |
BQ | 2.35 | 59.69 | 2.34 | 59.44 | 1.438 | 1.428 | 36.52 | 36.27 |
NQ | 2.97 | 75.44 | 2.96 | 75.19 | 1.88 | 47.75 | 1.87 | 47.5 |
HQ | 3.77 | 95.76 | 3.755 | 95.38 | 2.505 | 63.63 | 2.495 | 63.38 |
PQ | 4.815 | 122.3 | 4.795 | 121.8 | 3.35 | 85.09 | 3.34 | 84.84 |
T2-101 | 3.981 | 101.12 | 3.971 | 100.8 | 3.3 | 83.82 | 3.29 | 83.57 |
T6-101 | 3.981 | 101.12 | 3.971 | 100.8 | 3.115 | 79.12 | 3.105 | 78 |