Q:What is the difference between cobalt titanium alloy drill

A drill is the first part of a drill or hand drill.

Q:How big are the 8 bits that have worked up?

If 8mm's expansion pipe uses a drill with a diameter of 8mm, if it is a 8mm expansion screw, use a drill with a diameter of 12mm.

Q:How big a drill bit does the M6 screw hole need?

M6 drilling, according to 0.85*6---0.9*6, this is a bit to see what interval selection, but also the rest of the material, and to what degree of precision, such as the country with the more stringent requirements you should check the mechanical manual hole base shaft tolerances, and the material is also related to comparison large, such as electric drill is to use wood to choose a smaller bit.

Q:What are the differences between the center drill and the twist drill in its structure and use?

Center drill: prefabricated, precise positioning for hole processing and central hole machining on end faces of shafts and shafts. Guide the twist drill to reduce the error.

Q:What does M3x0.5 mean by tapping a drill bit?

M3 * 0.5 represents a 3 mm screw with a pitch of 0.5 mm. With a diameter of 3 minus 0.5 equals 2.5 pitch dia. It is to drill 2.5 holes with a drill, and then tap with a M3 tap.

Q:How big is the 6 bit that the worker says?

Usually they don't talk about units, they just say the data, he says, 6 of the drill, that's the drill with a diameter of 6mm, that's right

Q:What's the difference between white, black, and yellow twist drills?

There are 3 processes for producing drills, black for rolling and worst for rolling. White for clean edges and ground. Because, unlike rolling, no high temperature oxidation, the steel grain structure is not damaged, used to drill a slightly higher hardness workpiece.

Q:What drill holes are used to break the screw?

If the screw is broken and the drilling is not good, it is recommended to solve the problem with edm. A six or a slot is machined at the broken screw and then the screw is broken inside with a six square wrench or screwdriver. The electrode size is different, can process different sizes of broken screws, M3-M50 can.

Q:How do the new pros and cons drill the drill bit without the key?

There are two ways to unload and unload manually:Methods: hand unloading drill drill handle on the ground, pine along the direction of the drill bit to find a hard thing with the hammer hit, the release, remember that it is right to bear left loose, otherwise it will be more and more tightly card.The method of using a card or key to pry it open:(1) card: the electric drill is lifted and the clasp is removed to remove the drill bit;(2) bevel key: remove the bit by pressing the key with an anti clockwise ring, then the drill ring can be taken out.

Q:Relationship between pump pressure and bit pressure drop

Liquids such as liquids, liquids, gases, and liquids containing suspended solids. Pump can usually be divided into three types of displacement pumps, power pumps and other types of pumps according to the principle of operation. In addition to the principle of classification, there are other ways