| Place of Origin: | Shan Dong China(Mainland) | 
| Brand Name: | MIROC | 
| Certification: | API / GB | 
| Model Number: | Thread button bits | 
| Minimum Order Quantity: | 10 | 
|---|---|
| Price: | negotiation | 
| Packaging Details: | Carton / Wooden Box or Based on Customers | 
| Delivery Time: | 1-20 days | 
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability: | 8000 pieces per month | 
| Material: | C45 / C40 | Color: | Green / Red Or Based On Customers | 
|---|---|---|---|
| Process: | Forging / Heat Treatment | Advantage: | OEM. | 
| Use: | Underground Construction / Quarrying / Tunneling | Type: | Thread Drill Bit | 
| Highlight: | industrial drill bits,hardened steel drill bits | 
			    	||
R28 Tungsten Carbide Drifting / Tunneling Thread Button Bit
| 
			 Product name  | 
			
			 Tapered Button Bits  | 
		
| 
			 Material  | 
			
			 Tungsten Carbides  | 
		
| 
			 Application  | 
			
			 Quarrying, small hole drilling  | 
		
| 
			 Advantage  | 
			
			 High Performance  | 
		
| 
			 Color  | 
			
			 Customized  | 
		
| 
			 Usage  | 
			
			 Mining / Quarrying / Tunneling  | 
		
| 
			 Button Type  | 
			
			 Hemispherical/Parabolic/Ballistic / Conical  | 
		
Mainly Products
Thread Drill Bits---Diameter: 51mm to 127mm
Thread Type---R22,R25,R28,R32,R38,T38,T45,T51
Face Shape---Plate, Concave, Convex.
Bit Shank & Coupling sleeve---R22,R25,R28,R32,R38,T38,T45,T51
Drill Rod
Steel Drill Rod---H19/H22, Length: 0.5M to 6.0M.
Thread Rod---R25,R28,R32,R38,T38,T45,T51.
Integral Drill Rod---H19/H22, Diameter---20mm - 42mm
| 
			 T51 button bit  | 
		||||||
| 
			 
  | 
			
			 Bit Dia.  | 
			
			 Buttons and Size (mm)  | 
			
			 Flushing Hole  | 
			
			 Weight  | 
		||
| 
			 
  | 
			
			 mm  | 
			
			 Front  | 
			
			 Gauge  | 
			
			 Front  | 
			
			 Side  | 
			
			 kg  | 
		
| 
			 1  | 
			
			 89  | 
			
			 3x11, 2x11  | 
			
			 6x13  | 
			
			 4  | 
			
			 -  | 
			
			 4.9  | 
		
| 
			 2  | 
			
			 102  | 
			
			 3x13, 2x13  | 
			
			 6x14  | 
			
			 3  | 
			
			 1  | 
			
			 5.2  | 
		
| 
			 3  | 
			
			 115  | 
			
			 6x14  | 
			
			 8x14  | 
			
			 2  | 
			
			 -  | 
			
			 6.8  | 
		
| 
			 4  | 
			
			 127  | 
			
			 4x16, 2x13  | 
			
			 8x16  | 
			
			 4  | 
			
			 -  | 
			
			 7.5  | 
		
| 
			 T45 button bit  | 
		||||||
| 
			 
  | 
			
			 Bit Dia.  | 
			
			 Buttons and Size (mm)  | 
			
			 Flushing Hole  | 
			
			 Weight  | 
		||
| 
			 
  | 
			
			 mm  | 
			
			 Front  | 
			
			 Gauge  | 
			
			 Front  | 
			
			 Side  | 
			
			 kg  | 
		
| 
			 1  | 
			
			 70  | 
			
			 3×11, 1×19  | 
			
			 6×11  | 
			
			 3  | 
			
			 -  | 
			
			 2.2  | 
		
| 
			 2  | 
			
			 76  | 
			
			 3×11, 1×11  | 
			
			 6×13  | 
			
			 3  | 
			
			 -  | 
			
			 2.4  | 
		
| 
			 3  | 
			
			 89  | 
			
			 3×11, 2×11  | 
			
			 6×13  | 
			
			 3  | 
			
			 1  | 
			
			 4.1  | 
		
| 
			 4  | 
			
			 102  | 
			
			 3×13, 2×13  | 
			
			 6×14  | 
			
			 3  | 
			
			 1  | 
			
			 4.5  | 
		
| 
			 T38 button bit  | 
		||||||
| 
			 
  | 
			
			 Bit Dia.  | 
			
			 Buttons and Size (mm)  | 
			
			 Flushing Hole  | 
			
			 Weight  | 
		||
| 
			 
  | 
			
			 mm  | 
			
			 Front  | 
			
			 Gauge  | 
			
			 Front  | 
			
			 Side  | 
			
			 kg  | 
		
| 
			 1  | 
			
			 64  | 
			
			 3×10, 1×10  | 
			
			 6×11  | 
			
			 3  | 
			
			 -  | 
			
			 1.7  | 
		
| 
			 2  | 
			
			 70  | 
			
			 3×10, 1×10  | 
			
			 6×12  | 
			
			 3  | 
			
			 -  | 
			
			 1.8  | 
		
| 
			 3  | 
			
			 76  | 
			
			 3×11, 1×11  | 
			
			 6×12  | 
			
			 3  | 
			
			 1  | 
			
			 2.6  | 
		
| 
			 4  | 
			
			 89  | 
			
			 3×11, 2×11  | 
			
			 6×13  | 
			
			 3  | 
			
			 1  | 
			
			 3.3  | 
		
| 
			 R38 button bit  | 
		||||||
| 
			 
  | 
			
			 Bit Dia.  | 
			
			 Buttons and Size (mm)  | 
			
			 Flushing Hole  | 
			
			 Weight  | 
		||
| 
			 
  | 
			
			 mm  | 
			
			 Front  | 
			
			 Gauge  | 
			
			 Front  | 
			
			 Side  | 
			
			 kg  | 
		
| 
			 1  | 
			
			 64  | 
			
			 3×11  | 
			
			 6×12  | 
			
			 3  | 
			
			 -  | 
			
			 1.8  | 
		
| 
			 2  | 
			
			 70  | 
			
			 3×10, 1×10  | 
			
			 6×12  | 
			
			 3  | 
			
			 -  | 
			
			 1.8  | 
		
| 
			 3  | 
			
			 76  | 
			
			 3×11, 1×11  | 
			
			 6×12  | 
			
			 2  | 
			
			 -  | 
			
			 2.6  | 
		
| 
			 4  | 
			
			 89  | 
			
			 4×13, 1×13  | 
			
			 8×13  | 
			
			 4  | 
			
			 -  | 
			
			 3.3  | 
		
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Contact Person: Mr. Yingkai Zhang
Tel: +86 18501231988