There are many kinds of drills on the market now, each of which is used in different areas, with some differences in specifications and models. So everyone needs to pay attention when using it. So, what kind of drill does the diamond head use? What types of drills are there? The following small series will take you to understand.

What kind of drill is used to drill holes in stones?

When using a diamond head, you need to choose the right drill bit according to its material. If it is ordinary stone or jade, you can directly drill holes with ordinary drill bits, because their hardness is weak. But if it is jadeite, you need to drill holes with a diamond drill, because this type of stone will be harder.

What types of training are there?

1, twist drill

Twist drill is one of the most frequently used drilling tools in life, and its diameter is usually between 0.25 mm and 80 mm. This kind of drill has two spiral grooves, just like twist, so it is called twist drill. These grooves can be used for grinding, hot rolling or milling.

2. Flat drill

The cutting position of the front end of the flat drill is shovel-shaped, so the structure of this drill will be simpler, the production cost will be lower than other drills, and the cutting and chip removal function will be worse. There are two main structures of flat drill, one is integral, which is usually used for micro-holes with a diameter of 0.03 mm to 0.5 mm, and the other is assembled, and its blade can be replaced or internally cooled, which is usually used for large holes with a diameter of 25 mm to 500 mm.

3. Center drilling

The center drill is mainly used for shaft cutting the center hole of workpieces. This kind of drill consists of a tiny spiral twist drill and a countersunk drill, so it is also called compound center drill.

Summary: The above are all about what kind of drill bits are used for stone drilling and what types of drill bits are available. I hope it will help everyone. For more information, please keep an eye on Qijia. com。