34mm 7 buttons Rock Blasting Hole Tapered Button Bit 7 Degree
Product features:
The Drill Bits are made from grade hard alloy and special steel,
generally matched with the light-duty rock drill, to drill the rock
hole within diameter of 50mm. The drill tools are used in
metallurgy mine, geological exploration, water conservancy
construction, electricity, traffic, tunnel, quarry, national
defence stone project etc.
Description:
The Drill Bits are made from grade hard alloy and special steel,
generally matched with the light-duty rock drill, to drill the rock
hole within diameter of 50mm. The drill tools are used in
metallurgy mine, geological exploration, water conservancy
construction, electricity, traffic, tunnel, quarry, national
defence stone project etc.
Button bit | Diameter | 32~41 mm | Material of skirt body | 42CrMo 23Crni3mo etc. | Connection method | Taper Thread | type of skirt body | Short skirt Long skirt | Taper | 7° 11° 12° | Productive process | Forging and heat treatment |
|
Button type | Spherical button | Universal button Wearing resistance good Best suited to hard ground 27,000~48,000 PSI (180 to 320 Mpa) Abrasive to very abrasive |
Hemispherical button | Universal button Wearing resistance good Best suited to hard ground 25,000~45,000 PSI (170 to 300 Mpa) Abrasive to very abrasive |
Parabolic button | Universal button Fast penetration Best suited to medium to hard rock 15,000~25,000 PSI (100 to 170 Mpa) Midly abrasive ground |
Conical button | Fast penetration Best suited to smaller diameter bits Suited for all non-abrasive ground types |
Ballistic button | Fast penetration Best suited to soft rock 10,000~20,000 PSI (70 to 140 MPa) Non abrasive ground |
Company profile:
Hebei Minetech Machinery Technology Co, Ltd is an joint venture
enterprise with Europe Partner, which is located in Shijiazhuang
City, Hebei Province,China. Our company is specialized in
manufacturing and exporting of mining machinery, such as hydraulic
and pneumatic drill machine, roof bolter and drilling consumption
,like drill bit and drill rod with own factory in Shijiazhuang
City.With our rich expenience for over a decade and with
professional engineers andsales team, we focus on providing
complete solutions for mining machinery.
Target markets is gradually shifted from domestic market to
international market, products are exported to more than thirty
countries and regions, including Southeast Asia, the United States,
Germany, Britain, South Africa, Poland, Russia, Middle Asia, South
America and so on, and established a good brand and reputation
ininternational market.
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 ,silvery ,black and blue 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 .Just
order from US ! |
