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| Categories | Button Drill Bit | 
|---|---|
| Place of Origin: | China | 
| Brand Name: | MIROC | 
| Model Number: | 7 Degree Tapered Button Bit | 
| MOQ: | 50 | 
| Packaging Details: | Carton Box or Wooden Box | 
| Delivery Time: | 25 days | 
| Payment Terms: | T/T or L/C | 
| Supply Ability: | 20000 pieces per month | 
| Price: | negotiation | 
| Certification: | ISO | 
| Type: | Mining Drill Bit | 
| Material: | Tungsten Carbide | 
| Usage: | Blast Hole Drill Bit | 
| Application: | Mining and Quarring | 
| Buttons: | 3~9 | 
| Button Hole: | 19mm.22mm.25mm | 
| Company Info. | 
| KSQ Technologies (Beijing) Co. Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
7 Degree Short Skirt Tungsten Carbide Drill Bits Tapered Button Bit
Product Description
1.Product Name:tungsten carbide drill bits
TypesTapered chisel bits, Tapered cross bits, Tapered button bits
2.Application:Tapered drill bits are used in granite and marble
quarry, gold mine, railway, tunnel, etc. for drilling
3.Feature:Tapered drill bits connect tapered drill steel of rock
drill for drilling holes
4.Material:High quality carbide and high quality steel
Rock Drill Tapered Button Bits is suitable for H22mm and H25mm taper rock drill rods use. It have three taper connection: 7°, 11°, 12°. It's widely used for hard rock(f=8~18) drilling use.
FOLLOW QUESTIONS CUSTOMERS MAY CONCERN
Question one:How to use drill bit more correct?
Answer:
1.Choosing the right drill bit is the premise to obtain maximum
drilling speed.
2.When open the hole,it should be stable and must lower rock drill
working parameters,prevent single button under over load then cause
the button broken or lost.
3.According to the drilling condition,timely adjust the rock drill
paramaters.
4.After a period of time working,the button and the body of drill
bit should be examined.
5.When drilling,for improving drill bit drilling speed,you should
ensure that there is adequate hydraulic or air pressure for
preventing drill bit from excessive wearing and jamming which
caused by bad powder exhaust.
| 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 | 
Specification
| Product Code and Brief Description | Angle | Front Flushing Holes | Side Flushing Holes | Weight (kg) | 
| BS432-7D-22, 7° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.24 | 
| BS733-7D-22, 7° Tapered Button Bit, Short Skirt | 35° | 2 | 1 | 0.26 | 
| BS634-7D-22, 7° Tapered Button Bit, Short Skirt | 40° | 1 | 1 | 0.29 | 
| BS735-7D-22, 7° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.33 | 
| BS436-7D-22, 7° Tapered Button Bit, Short Skirt | 40° | 1 | 1 | 0.37 | 
| BS736-7D-23, 7° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.37 | 
| BS438-7D-23, 7° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.37 | 
| BS738-7D-23-1, 7° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.38 | 
| BS738-7D-23-2, 7° Tapered Button Bit, Short Skirt | 40° | 2 | 1 | 0.38 | 
| BS440-7D-23-1, 7° Tapered Button Bit, Short Skirt | 30° | 1 | 1 | 0.38 | 
| BS440-7D-23-2, 7° Tapered Button Bit, Short Skirt | 30° | 1 | 1 | 0.4 | 
| BS440-7D-23-3, 7° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.4 | 
| BS740-7D-23, 7° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.4 | 
| BS442-7D-23-1, 7° Tapered Button Bit, Short Skirt | 30° | 1 | 1 | 0.4 | 
| BS442-7D-23-2, 7° Tapered Button Bit, Short Skirt | 30° | 1 | 1 | 0.43 | 
| BS442-7D-23-3, 7° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.43 | 
| BS742-7D-23, 7° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.43 | 





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