Complaint
Special Material
The diamond drill bits are made of carbon steel, which is solidified by special enhanced electroplating.
The nickel plated surface with a diamond dust coating can provide superior performance and cutting strength and extend the service life.
How to drill correctly:
1.Firstly, mark the point where you want to drill the hole;
2.Next, fix the drill at the angle of 45¡ãto make a drilling trace at a high rotating speed;and add water during the drilling process;
3.Then drill vertically from the other side of the drilling trace at a slow speed to prevent breakthrough.
The drill bit flute design
with the side flute hole design, the bit can remove the waste to keep the drill bit clean during working process.
Tips
It may cause the burning smell, if your speed is too high or the preesure you are applying is too much.
Specifications:
Material: High quality carbon steel, Uniform diamond coating.
Perfect for : Lithium Drill, AC Drill, Hammer Drill, Drill Press and so on.
| Q: What can we provide ? |
| A: We are a professional manufacturer of hole saw and have our own packing centre. Through more than 10 years of effort, we have worked together with many good manufactuers of different tools as an exclusive tool club. We can provide our factory direct price for a vast range of products, including power tool accessories, hand tools, combination kits, etc. |
| Q:What is the shipping port? |
| A: We ship the goods via Shanghai port. |
| Q:How about the sample? |
| A: The samples will be sent to you via express and arrive in 3-5 days. You can use your own express account or prepay us if you do not have an account |
| Q:How do you control the quality? |
| A: We will make samples before mass production, and mass production will be arranged after samples approved. Doing 100% inspection during production, then do random inspection before packing, taking pictures after packing. |
| Shipping way |
| 1. Small quantity: by international air express, within 3-7days arriving |
| 2. Large quantity: by ocean cargo, arriving time depends on customers destination |
| Our service |
| 1. 24hours online technical support (telephone and email) |
| 2. 100% Satisfaction Guarantee |
| 3. Engineers are available |
| Please contact with me when you gonna order,we will answer back ASAP. |
