Author: U-Need

What is Cold Heading? What is cold heading? Cold heading is one of the pressure processing with little or non-cutting metal. Cold heading is a metalworking process that creates plastic deformation of metal with molds (almost a male die such as a punch, and a female die such as a heading die) under the action of external force. The process typically forms the required parts or blanks.Cold heading is perfect for the production of bolts, screws, nuts, rivets, pins and other standard fasteners. What materials are used in cold heading? There are an extensive range of material options for cold heading, such as alloy steels, aluminum, brass, bronze, copper, stainless steel, nickel alloys, and so on.Of course, cold heading materials need to meet the following requirements:…

7 Common Types of Screws What is a screw? A screw also known as threaded screw, is a broad category of threaded fastener, acting as a wedge as it pushes into the fastened material. It usually has a head to be turned with a tool (such as screwdriver, hammer, or wrench), and a shank from the underside of the head to the tip. What are screws made of and how to use them? Typically, screws are made from low to medium carbon steel due to its strength. However, other tough metals may also be substituted, such as stainless steel, brass, aluminum, titanium alloy. Screws may be coated or plated with cooper, zinc, nickel, or chromium for extra protection and strength.The choice of screw materials depends…

6 benefits of thread rolling What is Thread Rolling? Thread rolling is a cold working process that forms threads by rolling a metal blank under high pressure through a set of thread rolling dies.Compared with other widely used threading processes such as thread cutting and thread grinding, thread rolling is no a subtractive method, but a deformative or transformative methods.There are four main types of thread rolling, including flat dies, two-die cylindrical, three-die cylindrical, and planetary dies. Flat dies are the most commonly forming method in making external threads, and they are the most important tools for processing screw and bolts in the fastener industry. What are Flat dies? The flat dies, also called as flat rollers or flat thread rolling dies, consist of two rectangular…

How does the screw head shape form? What is a header die? A header die is a fundamental part of cold forming. It is used to form the screw head shape in this process, which includes carbide heading die, shearing die, die cutting blade, screw first punch die, screw second punch die, pins, and so on. Moreover, the selection of the materials for the header die is crucial, and the service life depends on the quality of the tungsten steel inside. How do the screw head and screw drive form? This machining process is called cold heading, also known as cold forming or cold working.Cold heading is one of the new pressure process with non-cutting metal. Cold heading process is most suitable for the production of…

8 Common Types of Screw Drives What is a screw drive? A screw drive is a set of shaped cavities and protrusions on the screw head that allows torque to be applied to it. It also involves a mating tool, such as a screwdriver or a wrench, that is used to turn it for installing or removing the screw. What are the types of screw drives? There are various fastener drive styles used for different applications, depending on the type of screw head you are using. Here are some of the used types. What are the most common types of screw drives? There are 8 most common types of screw drives in a variety of applications, including Phillips drive, slotted drive, Torx drive, pozidive, Robertson drive, triangle drive, tri-wing…

Top 14 Different Types of Screw Heads What is the screw head? Screw heads is the area of the screw in which the “drive” is contained.The geometric feature is the clamping point between fasterner and the article.Heads fall into two categories: countersunk and non-countersunk.Countersunk screw head sits flush with the surface where they are installed, or slightly below them. An example of this type is a flat screw head .Non-countersunk head are the opposite. They, with protruding heads, do not taper, ranging from round head to mushroom head. What are the types of screw heads? There are various types of screw heads, as seen below comparison chart. The in-depth introduce of different types of screw heads is as following: No Shapes Name Description 1 Flat…