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Brand Name : MIROC
Model Number : R25
Certification : ISO
Place of Origin : CHINA
MOQ : 1
Supply Ability : 2000000pcs per month
Delivery Time : 15-20 days
Packaging Details : Standrad export packaging or customized
Type : DRILL BIT
Material : Carbide, Tungsten carbide
Use : tunneling, mining,quarrying, Well drilling
Color : Green,blue,golden etc
Button bit shape : Spherical, Ballistic,Conical
Face shape : Flat shape and Drop-center shape
R25 Dia 45mm Short Skirt Spherical Quarry mining drill bits
Product Description
Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
• Widely used drifting and tunneling
 • Bit face design is ideal for medium-hard to hard abrasive rock
• Color: Green,Blue or Based on Customer requirements
we can design and manufature according to your requirment of diamater,number of flushing holes,carbide button shape and face shape.
| Product Name: | different rock hardness drilling button bit | 
| Description: |  			 For different rock hardness mining,tunneling,quarrying button bit Button bit Made with high quality of best quality alloy steel bar and tungsten carbide, through heat treatment.  |  		
| Material: | Alloy steel bar and tungsten carbide bit | 
| MOQ: | trial order 1-5pcs | 
| Body Type | Normal type and retract type | 
| Thread type | R25,R28,R32,R38,T38,T45,T51,ST58,ST68 | 
| Diameter | 32mm-152mm | 
| Button bit shape | Spherical and Ballistic | 
| Face shape | Flat shape and Drop-center shape | 
Applications of rock drilling tools
• Underground mining
 • Tunneling,quarrying
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
Specification of button bits
| Part Number | Product Code and Brief Description | 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) | 
| 4148300385 | BS733-R25-B, R25 Button Bit, Short Skirt, Ballistic Buttons | 33 | 1 2/7 | 2x7 | 5x7 | 35° | 1 | 1 | 0.4 | 
| 4148300386 | BS735-R25-B, R25 Button Bit, Short Skirt, Ballistic Buttons | 35 | 1 3/8 | 2x7 | 5x9 | 25° | 1 | 1 | 0.4 | 
| 4148300387 | BS738-R25-B, R25 Button Bit, Short Skirt, Ballistic Buttons | 38 | 1 1/2 | 2x7 | 5x9 | 40° | 1 | 1 | 0.5 | 
| 4148300388 | BS741-R25-B, R25 Button Bit, Short Skirt, Ballistic Buttons | 41 | 1 3/5 | 2x8 | 5x9 | 40° | 1 | 1 | 0.6 | 
| 4148300389 | BS745-R25-B, R25 Button Bit, Short Skirt, Ballistic Buttons | 45 | 1 7/9 | 2x9 | 5x10 | 35° | 1 | 2 | 0.6 | 


FAQ
 Q1: What’s your delivery time?
 A: Commonly product need 20 days to produce, within 3 days if in stock.
 Q2: What’s methods of payments are accepted?
 A: We agree T/T ,L/C ,West Union ,One touch ,Money Gram ,Paypal.
 Q3: What about the Shipments?
 A: Bases on other quantity .We can send it to you by Express ,by Air ,by Sea ,and by Train.Or send the goods to your Chinese agent.
 Q4: How to control the quality?
 A: We should be checking & testing everyone button bit before shipment.
 Q5: Do you agree sample order ?
 A: Yes ,we are welcome your sample order to testing our quality.
 Q6: Can we select the button bit color?
 A: Yes ,we have golden ,green ,black for your choice.
 Q7: Can we change to our mark on the button bit?
 A: Yes ,we can casting your company mark on the button bit.(Except sample order)
 Q8: Do you have after-sale service and warranty service ?
 A: Any Quality or quantity problem once confirmed,we will be compensate you the same. Any question or problem we will be reply you within 24 hours.
Q9: Can I trust your company ?
A: Our company has been certificated by Chinese government ,and verified by Ali baba Trade Assurance. 100% refund of the Trade Assurance Amount .Ali baba can guarantee all of you payment .


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                        R25 Dia 45mm Short Skirt Spherical Quarry Mining Drill Bits Images |