Knowledge

Self-tapping screws are generally fingertip, coarse teeth, and hard wood screws, as well as aluminum alloy and plastic. A special self-tapping screw f

ML08AL Introdu ction： Cold heading steel rods are generally low and medium carbon high-quality carbon structural steel and high-quality alloy structur

SCM435 It has high static strength, impact toughness and high fatigue limit, higher hardenability than 40Cr, high creep strength and lasting strength

Process performance of a material refers to the ability of a material to adapt to cold and hot working methods. (I) Mechanical properties Mechanical p

In order to make more reasonable use of metal materials and give full play to its role, it is necessary to master the properties of components made of

Tempering of Steel Wires The already hardened steel is reheated to a certain temperature and then cooled in a certain way called tempering. Its purpos

The normalizing of steel Normalizing is a heat treatment method in which steel is heated above the critical temperature, so that all steel is transfor

Annealing of Fastener Steel Wire Heating steel to a certain temperature and holding it for a period of time, and then letting it slowly cool is called

Materials for flat washer: Flat washers without mechanical properties requirements are generally made of corner materials, such as Q235A. When hardnes

Materials for internal threads such as nuts： No mechanical properties or ISO Class 5-6 SAE Grade 3-4 generally use C1010 Q235A or C15, do not need hea

Now our commonly used material standard parts are: ISO(international) GB(China) DIN(Germany) AISI/SAE(USA) JIS(Japan) Materials for bolts and other ex

The rivet body of the rivet is also made of high quality aluminum wire, beautiful and durable after riveting will never appear rust phenomenon: compar