Down The Hole Bits |
The longer life of the drill: the alloy material, with longer using life which better than the similar products |
High Drilling Efficiency: the drill buttons is wear-resistant, so that the drill can always keep sharp, thus greatly improving the speed of the drilling |
The drilling speed is stable: the bit is scraped and cut to break the rock. |
Good Performance: the New Diamond bit has strong wear resistance, good diameter protection and can make the cutting teeth be used efficiently |
The use of a wide range: the practice proves that the bit is suitable for carbonate rock, limestone, chalk, clay rock, siltstone, sandstone and other soft and hard (9 - grade drillability of rock, hard rock drilling), compared with normal bit, especially drilling in 6-8 grade rock the effect is particularly significant. |
SP 680 | ||||||||
Head Shape | Head Diameter (mm) | Shank Length | Spline | Port holes | Button qty.pcs X dia.mm | Weight (Kg) | ||
Button Type ( Optional) | Gauge Buttons | Front buttons | ||||||
Concave face | 154 | 231 | 12 | 2 | Domed | 8XØ18 | 4XØ16+4XØ15 | 21.6 |
Flat Face | 165 | 231 | 12 | 2 | Domed+Ballistic | 8XØ18 | 8XØ16 | 21.8 |
Concave face | 171 | 231 | 12 | 2 | Domed | 8XØ18 | 6XØ16+4XØ15 | 23.3 |
Concave face | 178 | 231 | 12 | 2 | Domed | 8XØ18 | 6XØ16+5XØ15 | 24.3 |
Concave face | 190 | 231 | 12 | 2 | Domed | 8XØ18 | 6XØ16+5XØ15 | 25.5 |
Concave face | 203 | 231 | 12 | 2 | Domed | 10XØ18 | 8XØ16+6XØ15 | 28.7 |
Q: What's your delivery time? |
A:Commonly produce need 20-25 days to produce Within 3or 5 days if in stock. |
Q: What methods of payment are accepted? |
A:We agree T/T, L/C, West Union |
Q: What about the shipment? |
A: Based on order quantity. We can send it to you by Express, by Air, by Sea, and by Train.Or send the goods to your Chinese agent. |
Q:How to control the quality? |
A: We should be checking& testing everyone button bit before shipment. |
Q: Do you agree sample order? |
A: Yes, we are welcome your sample order to testing our quality |
Q: Can we select the button bit color? |
A:Yes, We color the product according to the color you need. |
Q: 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). |
Q:Do you have after-sale service and warranty service? |
A: Any quality or quantity problem once confirmed, we will reply you within 24 hours and give you a solution. |
Q:Can i trust your company? |
A: Our company has been certificated by Chinese government, and verified by Alibaba Trade Assurance, 100% refund of the Trade Assurance Amount,Alibaba can guarantee all of your payment, Just order from us! |
Q: After Services: |
a:Our sales team will response for your question within 24 hours. b:Technical Support will be available in any time. |