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Brand Name : MIROC
Model Number : 4148300437-4148300520
Certification : ISO9001
Place of Origin : Shangdong,China
MOQ : 50 Pieces
Price : negotiation
Payment Terms : T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability : 30000pcs per month
Delivery Time : 10-22days
Packaging Details : Carton Box or Wooden Box
Material : Tungsten Carbide
Color : Green,Blue Or Based On Demand
Use : Tunneling, Mining,Quarrying,Construction
Design : Precise Design Suit Particular Needs
Button Bit Shape : Spherical, Ballistic
Service : Product Customization
Type : Threaded Button Bit
R25 Industrial Spherical/Ballistic Button Drill Bits For Tunneling Drilling Threaded Button Bit
Describtion
Thread button 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.
| Type | Thread Button Bit | 
| Material | tungsten carbide | 
| Use | Ore Mining, quarry,mining,blasting,construction,open bit etc. | 
| Advantages | high quality and factory prices | 
| Boby type | Normal type or retrac type | 
| Thread | R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60, GT68 | 
| Tungsten carbide | Spherical, ballistic,Conical,Hemispherical | 
| Fact type | Drop Center, Flat Face, Convex, Concave, etc | 
| Color | According to your requirements | 
1) Thread Types: R25 R28 R32 T38 T45 T51...
2) Alloy steel:45CrNiMo
3) Suitable carbide tips YK05
4) Diameter: 30-127mm
5)Technology:hot-pressing or welding
6) Suitable: drifting and tunneling, bench drilling

| R28 button bit | ||||||
| 
 | Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight | ||
| 
 | mm | Front | Gauge | Front | Side | kg | 
| 1 | 37 | 2×7 | 5×9 | 1 | 1 | 0.5 | 
| 2 | 38 | 2×7 | 5×9 | 1 | 1 | 0.6 | 
| 3 | 41 | 2×8 | 5×9 | 1 | 1 | 0.7 | 
| 4 | 43 | 2×9 | 5×9 | 1 | 2 | 0.8 | 
| 5 | 45 | 2×9 | 5×10 | 1 | 2 | 0.9 | 
| 6 | 48 | 2×9 | 5×11 | 1 | 2 | 1 | 
| R25 button bit | ||||||
| 
 | Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight | ||
| 
 | mm | Front | Gauge | Front | Side | kg | 
| 1 | 33 | 2x7 | 5x7 | 1 | 1 | 0.4 | 
| 2 | 35 | 2x7 | 5x8 | 1 | 1 | 0.4 | 
| 3 | 38 | 2x7 | 5x8 | 1 | 1 | 0.5 | 
| 4 | 41 | 2x8 | 5x9 | 1 | 2 | 0.6 | 
| 5 | 45 | 2x8 | 5x10 | 1 | 2 | 0.6 | 
 
  



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