Bench Drilling Button Bit Drop Center Face T51 127mm Rock Drill Bits For Sale
Rock Drill bit
Rock drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks. Besides, we can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.
A: Drifting and Tunneling
 thread: R25, R28, R32
 diameter: 33mm-76mm
B: Bench Drilling
 thread: R32, T38, T45, T51, T60
 diameter: 48mm-152mm
C: Tube Drilling
 thread: ST58, ST68
 diameter: 89mm-152mm
Applications
 • Underground mining
 • Bench Drilling
 
 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
T51 drill bit Specification
| Type T51 | Dimensions | Flushing holes | Buttons(mm) | Angle | Class | |||
| mm | in | Front No Size | Gauge No Size | Front No Size | Gauge No Size | |||
| Standard | 89 | 3 1/2 | 2x12 | 2x7 | 6x12 | 8x14 | 35° | H | 
| Standard | 102 | 4 | 2x14 | - | 6x13 | 8x14 | 35° | H | 
| Flat | 115 | 4 1/2 | 4x13 | - | 6x14 | 8x16 | 35° | H | 
| Drop Center | 89 | 3 1/2 | 4x10 | - | 6x12 | 8x14 | 35° | M | 
| Drop Center | 102 | 4 | 4x11 | - | 6x13 | 8x14 | 35° | M | 
| Drop Center | 115 | 4 1/2 | 4x13 | - | 6x14 | 8x16 | 35° | M | 
| Standard | 127 | 5 | 3x13 | - | 10x14 | 9x16 | 35° | H | 
| Drop Center | 127 | 5 | 3x13 | - | 9x14 | 9x14 | 35° | M | 
| Retract | 127 | 5 | 3x13 | - | 9x14 | 9x16 | 35° | H | 
| Flat+retract | 89 | 3 1/2 | 2x11 | 2x8 | 6x12 | 8x14 | 35° | H | 
| Flat+retract | 102 | 4 | 4x11 | - | 6x13 | 8x14 | 35° | H | 
| Flat+retract | 115 | 4 1/2 | 4x13 | - | 6x14 | 8x16 | 35° | H | 
| Drop+retract | 89 | 3 1/2 | 4x10 | - | 6x12 | 8x14 | 35° | M | 
| Drop+retract | 102 | 4 | 4x11 | - | 6x13 | 8x14 | 35° | M | 
| Drop+retract | 115 | 4 1/2 | 4x13 | - | 6x14 | 8x16 | 35° | M | 
| Drop+retract | 127 | 5 | 3x13 | - | 9x14 | 9x14 | 35° | M | 
| Reaming tools | 152 | 6 | 5x10 | 2x10 | 2x14 | 20x14 | 35° | - | 
Button bit and Insert types
 Spherical Button Characteristics:
 1. Universal button
 2. Good wear resistance
 3. Best suited for hard ground
 4. 27000-48000PSI(180 to 320Mpa)
 5. Suited for abrasive to very abrasive drilling conditions
 Ballistic Button Characteristics:
 1. Fast Penetration
 2. Best suited for soft rock
 3. 10000-20000PSI(70 to 140Mpa)
 4. Suited for non-abrasive drilling conditions
Conical Button Characteristics:
1. Fast Penetration
 2. Best suited for smaller diameter bits
3.Suited for non-abrasive drilling conditions
About US
KSQ Technologies (Beijing) Co. Ltd. is a diversified enterprise based in Beijing, China, offering a portfolio of products that help contribute to a better bottom line and increase workplace safety for the construction and mining industries.
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.
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
