DTH 2"tungsten drill bits/ low air pressure BR Series water drill
bit ,
drilling diameter 64mm-76mm
BR2 drill bit Specification:
- standard type, no foot valve
- Diameter: 76mm
- Buttons and size: 6x14mm,5x12mm,
- weight: around 4.2kg
BR Series DTH Button Bit Specification
| 1'' 2'' Middle Air Pressure DTH Bits |
| DTH Button Bit | Diameter | Buttons and Size (mm) | Flushing hole | Weight |
| mm | inch | Gauge | Front | kg |
| BR1 | 64 | 2 1/2 | 6x10 | 3x10 | 2 | 2.6 |
| 70 | 2 3/4 | 6x12 | 4x9 | 2 | 2.8 |
| 76 | 3 | 6x13 | 5x10 | 2 | 3.2 |
| BR2 | 64 | 2 1/2 | 6x13 | 5x10 | 2 | 3.6 |
| 70 | 2 3/4 | 6x13 | 5x11 | 2 | 4.0 |
| 76 | 3 | 6x14 | 5x12 | 2 | 4.2 |
BR2 Drill bit
Package:wooden case
DTH Button Bit Description:
HAMMER INCH | BIT DIA(MM) | BIT DIA(INCH) | SHANK |
1 | 64MM-76MM | 2 1/2"-3" | BR1 |
2 | 76MM-90MM | 3"-3 1/2" | BR2/PAD320 |
3 | 85MM-105MM | 3 2/5"-4" | BR3/DHD330/COP32/PAD330 |
3.5 | 85MM-110MM | 3 2/5"-4 1/3" | DHD3.5/IR3.5/COP34/QL30/PAD3.5 |
4 | 105MM-140MM | 4"-5 1/2" | DHD340/COP44/QL40/SD4/MISSION40/PAD340 |
5 | 127MM-200MM | 5"-8" | DHD350/COP54/QL50/SD5/MISSION50/PAD350 |
6 | 152MM-254MM | 6"-10" | DHD360/COP64/QL60/SD6/MISSION60/PAD360 |
8 | 195MM-350MM | 7.2/3"-13 4/5" | DHD380/COP84/QL80/SD8/MISSION80/PAD380 |
10 | 254MM-380MM | 10"-15" | SD10/NUMA100/DHD1100/PAD1100 |
12 | 305MM-457MM | 12"-18" | SD12/NUMA120/DHD1120/PAD1120 |
BR2 hammer
Competitive Advantage
• High-grade tungsten carbide inserts
• Bit bodies manufactured from high-grade steel and processed using
state-of-the-art CNC machinery and heat treatment
We can design and manufacture the personalized products to meet
your special applications, such as changing the tungsten carbide
insert profile (spherical, ballistic, etc.), face profile (flat
face, concave, convex, etc.), and flushing holes.
Applications
• Underground mining
• Down the hole rock drilling
Keywords
DTH BIT, DTH Button Bit, Down The Hole Button Bit, Rock Bit, Rock
Drill Bit,
Low Air Pressure DTH Button Bit, High Air Pressure DTH Button Bit
In DTH drilling, the rock drilling bit is a continuation of the
shank, which the rock drill piston strikes directly. Since the
piston is in direct contact with the drill bit, little energy is
lost. This gives DTH drilling a nearly constant penetration rate
regardless of hole length.
Rock Drilling Tools Brand MIROC®
The MIROC® Rock Drilling Tools product line by KSQ Technologies
(Beijing) Co.Ltd. is the result of years of advanced engineering,
precision manufacturing, and dedication to the use of high-quality
materials.
MIROC® Rock Drilling Tools are used by many drilling professionals
related to mining, construction, tunneling, and quarrying projects
around the globe.
MIROC® Rock Drilling 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) Hammer
- PDC Bit
- Tricone Bits
