Commonly used screws can be divided into the following categories: A: Machine Screw; B: Tapping Screw: (for metal and plastic); B-1: Sheet Metal Tapping Screw; B-2: Plastic Tapping Screw; C: Wooden Screw; D: Drywall Screw; E: Self Drilling Screws
Read Morebolt: by the head and screw (with external thread of the cylinder) two parts of a class of fasteners, need to cooperate with the nut, used to fasten the connection of two parts with a through hole. This form of connection is called bolt connection. If the nut is screwed down from the bolt, there can......
Read MoreStainless steel screws are a series of accessories including screws, nuts, nuts, bolts, screws, etc. Screw connection, double-headed screw connection, screw connection are the basic types of threaded connection fasteners. They are different in structure and application.
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