Types and applicable occasions of non-standard screws:(1) Embedded screws are mainly used for suspending and fixing air-conditioning pipes, water pipes, electric pipes, ceilings, etc.(2) Torsion flat-...

Friends who understand the fastener industry all know that in fact, the black oxide screw surface is not the same as black zinc plating, there are differences.  Take the material is carbon steel , th...

304 stainless steel is a common material in stainless steel, with a density of 7.93 g/cm3, which is also called 18/8 stainless steel in the industry. High temperature resistance of 800 degrees, good c...

Someone often asks if the plum blossom(Torx) and hexagon socket (Allen)screw is a kind of screw, have what essential sex distinction? In fact, we know that the two are completely different groove(Driv...

Step screw refers to non-standard screw with more than two steps, we call step screw.  The step screw is generally not in stock, are to be through the mold production will have.  Step screws include ...

Satin brushed screw is one of the most sought after types of screws in the world. It has a unique beauty to it that is both classy and yet very feminine. It looks great in a lot of different settings...

Combination screw refers to two fasteners combined in a combination, generally there are two combination screw （screw+flat washer or spring washer）and three combination screw(Also called Triple screw...

With the development of electronic products, people spend a lot of time in front of mobile phones and computers, and their eyesight has been affected. Glasses have become a very important part of ou...

You may not be very familiar with knurled screws. In fact, they are also called hand-tightening screws. They are designed to facilitate hand-tightening operations. The straight knurling on the head c...