Stainless Steel Drilling Bits

Hot Products

thread drilling bit from China R32 T38 T45 T51

Multisize Straight Shank Twist Drill Bits For Drilling Metal Iron and Aluminum Drill Bit

thread button bit from China for hardness rock

alloy bit thread bit from China for hardness rock alloy

hemispherical bit thread button bit from China for hardness rock

flat face thread button bit R32 T38 T45 T51 Tungsten Carbide

thread button bit from China R22, R25, R28, R32, R38, T38, T45, T51

thread button bit from China dia 35-45mm R22

Hemispherical bit thread button bit from China R32 T38

thread drilling bit from China for hardness rock max drilling

FAQ

The installation method of the electric hammer drill

The installation method of the electric hammer drill:When installed, the drill chuck hammer directly inserted, can rotate around until the drill bit is automatic locking, finally pulling the drill bit to determine whether it is locked correctly.

What are the brands of homemade twist drills?

Twist drills are made of many different materials, and different materials have different hardness. The angle or just ordinary relatively low hardness, so in theory, as long as the geometric angle of precise angle quasi good drill, only poor material life is low. Because of this, so many people like fraudulent use of materials, or connecting the handle with other materials, the head good. But now there is a process called roast yellow, this process after the connection part of the defect, a look at it.

How to allocate the electric hammer drill

1, backward extrusion head, drill can be pulled out.2, black down, iron also press down, it came out.

What is a square hole drill and can be machined square hole?

You can drill through the square hole, but not once.

What does SDS+ mean in a drill?

I happen to know this. SDS stands for "Special_Direct_System", which is said to have been invented by BOSCH, followed by inches, usually representing diameter, with 4 tunnels and 5 tunnels designed to be represented by X4 or X5.

Bit grinding, hair and technical requirements

There is now a knife grinding machine YN-01A+ drill grinding machine grinding twist drill on the market, SG fast drilling, DG long short blade edge deep hole drilling, in the processing of 3D within the hole, the ordinary twist drill into fast drilling, without positioning, direct drilling, hole position accuracy and the efficiency on the use of ultra fast; DG to the mill, if it is less than 10D or above according to the processing of materials and machine tools and other site by cutting and grinding method when less than 3D above 5D; worn by YN-01A+ zzm-a drill bit to meet the basic situation the essence of drill bit efficiency 2-3 times, the service life of the drill bit can provide 3-5 times; this machine operation is simple and fast, without experience in technology, one minute can grind a bit.

The threaded hole M5 general drill big bottom

M5 is an ordinary coarse thread, with a pitch of 0.8mm and a nominal diameter of 5mm. General coarse thread without marked pitch.

Which is better, a white drill or a black drill?

Most of the black drills in the market are only black (to cover the surface of the blade or black), but the actual use has not been effectively improved. The full grinding twist drill manufacturers, industry and trade, production, engineering, far east Lei this several quality have great advantages in the domestic bit. With imports, or quite a lot of difference, after all, a big difference in price. In addition, the quality of Taiwan's SUS Su is also good.