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Brand Name : MIROC
Model Number : T38 76mm,102mm
Certification : ISO
Place of Origin : CHINA
MOQ : 1
Delivery Time : 20-30
Thread : T38
Diameter : 76mm,102mm
Skirt Design : Standard
Parts Name : Rock Drill Bits
Material : Carton Steel+Tungsten Carbide
Application : Mining, Blasting,Road Construction Hole Drilling
Usage : Or Drifting Tunneling Bench Drilling
Mining Object : Granite, Marble, Sandstone,Limestone
Carbide Shape : Spherical, Ballistic
Packaging Details : Wooden Box
Description
A Rock Drill Button Bit is a type of hard rock drilling tool used in mining, tunneling, quarrying, and construction. It is designed to penetrate tough rock formations efficiently using a percussive or rotary-percussive drilling system.
Applications
Mining : Open-pit & underground drilling for blasting holes.
Tunneling : Excavation for railways, highways, and hydropower projects.
Quarrying : Dimension stone & aggregate production.
Construction : Foundation piling, anchor drilling, and slope stabilization.
Key Features
Superior Wear Resistance : Tungsten carbide buttons withstand abrasive rock conditions.
High Penetration Rate : Optimized button layout ensures efficient rock fragmentation.
Extended Lifespan : Precision heat treatment and alloy selection enhance longevity.
Versatile Performance : Customizable for various rock types and drilling methods.
| Part Number | Bit Diameter (mm) | Bit Diameter (inch) | Front Buttons (No. x mm) | Gauge Buttons (No. x mm) | Angle | Front Flushing Holes | Side Flushing Holes | Weight (kg) |
| 4148300705 | 64 | 2 1/2 | 3x11 | 6x12 | 35° | 3 | - | 1.8 |
| 4148300706 | 64 | 2 1/2 | 4x10 | 8x10 | 40° | 2 | - | 1.6 |
| 4148300707 | 64 | 2 1/2 | 3x10, 1x10 | 6x11 | 35° | 3 | - | 1.7 |
| 4148300708 | 70 | 2 3/4 | 4x11 | 8x11 | 40° | 2 | - | 1.9 |
| 4148300709 | 70 | 2 3/4 | 4x10, 1x10 | 8x11 | 30° | 4 | - | 1.9 |
| 4148300710 | 70 | 2 3/4 | 3x10, 1x10 | 6x12 | 35° | 3 | - | 1.8 |
| 4148300711 | 76 | 3 | 4x11 | 8x11 | 40° | 2 | - | 2.4 |
| 4148300712 | 76 | 3 | 5x11 | 8x13 | 35° | 2 | 1 | 2.4 |
| 4148300713 | 76 | 3 | 3x11, 1x11 | 6x12 | 35° | 3 | 1 | 2.6 |
| 4148300714 | 76 | 3 | 4x11, 1x11 | 8x12 | 35° | 4 | - | 2.6 |
| 4148300715 | 76 | 3 | 4x11, 1x11 | 8x11 | 40° | 4 | - | 2.6 |
| 4148300716 | 89 | 3 1/2 | 4x13 | 8x13 | 40° | 2 | - | 3.3 |
| 4148300717 | 89 | 3 1/2 | 5x13 | 8x13 | 35° | 2 | - | 3.3 |
| 4148300718 | 89 | 3 1/2 | 6x11 | 8x12 | 35° | 2 | - | 3.3 |
| 4148300719 | 89 | 3 1/2 | 3x11, 2x11 | 6x13 | 35° | 3 | 1 | 3.3 |
| 4148300720 | 89 | 3 1/2 | 4x11, 1x11 | 8x13 | 35° | 4 | - | 3.3 |
| 4148300721 | 89 | 3 1/2 | 4x13, 1x13 | 8x13 | 35° | 4 | - | 3.3 |





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Tungsten Carbide Drilling Tools T38 76mm,102mm Rock Drill Button Bit Images |