Mining 7degree 38mm Taper Button Rock Drilling Bit
Description:
Different rock formation and rock drills require different taper
angles. When drilling with high impact hydraulic rock drills in
medium-hard to hard and abrasive rock formation, a wide taper
angles is nomally used. Taper angles of 11° and 12° are normally
used on modern drill rigs. For low impact rock drills and softer
rock formation, a narrow taper angle of 7° is used. 7° can also be
used if bit spinning is a problem when using 11° and 12° equipment.
Feature of taper button bit:
1.tapered button bits connect with tapered drill rod for drilling
holes
2.Stale and mature welding technology ensure good quality of bits
3.Accurate dimension of taper degree perfectly matches the rods
4.work reliable and very cost-effective
Product Characteristic:
1. Button bit taper angle: 4°,4°46″,6°,7°,11°,12°
2. Length: 50/55/71/80 mm
3. Diameter: 20-45 mm
4. Button bit shape: spherical/parabolic
5. Socket inside diameter: 15/19/22/25(mm)
6. Material and process: high quality alloy steel bar and tungsten
carbides, through heat treatment
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 ! |
