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DIN85 Stainless Steel 304 slotted pan head machine Metal Screws

Description:

Machine screw also called 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 into 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.

DIN85 Stainless Steel 304 slotted pan head machine Metal Screws

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.

Ordinary self tapping screw connection, the drilling and tapping process must be made.Relative to the average self tapping screw, self-drilling screw with tapping screw combined two working procedure in the connection.It with screws at the front of the first drill hole, and then directly by screw tapping (including fastening connection), not only save time, but also improve the efficiency of construction.

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Specification:

Advantages:

DIN85 Stainless Steel 304 slotted pan head machine Metal Screws  the fixed contact area is large, thus increase the tightness of the axial, and widely used in railway and highway bridge, the boiler steel structure, industrial buildings, high-rise civil buildings, tower mast structure, hoisting machinery, etc.