304 / 316 Stainless Steel Wafer Head Thread Self Tapping Drywall Screws

304 / 316 Stainless Steel Wafer Head Thread Self Tapping Drywall Screws

Description:

Machine screw also called machine screws, machine screws, screw is assembled on the inside of the threaded hole, is a leading the internal thread hole parts, and the connection between the parts with a hole, on general machine screw nut, there are different types of screw head, can be a hex cylinder head, plum flower groove, Allen round head, countersunk cross trough, cross trough pan head, flat head and half a cylindrical top.

DIN967 Stainless Steel 304 316 Cross slotted wafer head machine Metal Screws also equal to Cross recessed pan head screws with collar—Product grade A .

In short, cross recess Screws production and marketing process, the use of quality tools necessary to detect screw certainly have, and now you want to summarize summarized as follows: calipers, hardness tester, salt spray machine, environmental testing machine, and so on through regulation ended Wait.

What is the cross, it is the head of the screw is cross-shaped, the cross is a cross with a fine blanking, stamping made. For the material, phillips pan head screws are made of iron which is into carbon steel, stainless steel is also divided. There are three types of carbon steel, low carbon steel, middle carbon steel, high carbon steel. Stainless steel also has different type: stainless steel SUS201 stainless steel SUS304, stainless steel SUS316, stainless steel SUS404 and the like.

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Specification:

Advantages:

Machine screws are used for connecting thin metal plate. The first connection is to make a hole, and then put the self-tapping screws into the plate. Since the self-tapping screw thread is made with high hardness, so the sharp point can attack a threaded bottom. It is connected internally threaded to form a connection.