Adjustable Arm Extension Arm 316 Flat Head Bolt

Flat head bolt refers to the flat head of the screw. Sometimes we often call the big flat head screw and the big flat head screw. It is used to express it as Ta, TM by letter. TA refers to the big flat head tapping screw, T represents the head, refers to the big flat head, that is, the umbrella head we often call the umbrella head. A represents the thread of the self tapping tooth. TM is a large flat head screw machine. M represents the thread of the machine thread. Flat head screw specification is generally from m2 to m8 size, which refers to the diameter of the large flat head. In the case of length, it is generally from 3-90mm. There are many specifications and sizes, including M2 * 6  m3 * 8 m4 * 10 m5 * 12  M6 * 16  M8 * 20, etc. This is just a list of specifications, for flat head screw specification table, there are many specifications. But it is generally the common specification in the market. The specification of non-standard flat head screw is customized acc…