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Q:In the fastener industry, 1018 refers to what material: Low carbon steel, can only be used to produce the general screw class, and 102A almost

Q:For the commonly used standard parts, for some of the quality of good or bad, how to distinguish,: According to the relevant standards, such as size, appearance, thread quality, surface finish, through the rules, hardness, etc., should be considered, according to the standard about.

Q:what parts do Fasteners include: Screw: also by the head and screw two parts of a class of fasteners, according to the use can be divided into three categories: machine screws, set screws and special purpose screws. The machine screw is mainly used for a fastening screw hole part, with a through hole between the parts of the fastening connection, no nut matching (this connection is called the screw connection, also belong to the detachable connection; Used in conjunction with nuts for fastening connections between two parts with through holes.) The locking screw is mainly used to hold the relative position between the two parts. Special purpose screws such as rings are used for lifting parts.

Q:What are some of the common fastener products?: This fastener has two parts of the head and the nail, the two through-hole parts to connect the role of fastening, so that they become a whole. This connection is called rivet connection, sometimes called riveting directly. This connection can not be disassembled, because the two parts to separate, then we must put the parts on the rivets to destroy.

Q:A194 GR3 is what style fasteners: A194 American standard I know is the US system, but now do not understand is GR3 in the end is what it means

Q:What are all the fasteners?: Of course, there are many categories of fasteners, in short, there are many, many of the fasteners.

Q:Bolts and other connection fasteners some points A B C grade what it means: Bolts and other fasteners connected due to a wide range of applications, the product level requirements are different, so the bolt product grade is divided into A, B, C three grades. One of the most accurate A, C level of the most inaccurate, B between the two. Class A is used for important applications where assembly accuracy is high and subject to greater impact, vibration or variable loads. Class A for d = 1.6-24mm and l ≤ 10d or l ≤ 150mm bolts. B grade for d> 24mm or l> 10d or l ≥ 150mm bolts, thin rod B grade M3-M20 hexagonal flange bolts, anti-loose performance better. Class C is between M5 and M64.

Q:Does the fastener include screws?: Fastener fasteners are also known as standard parts on the market and are a generic term for a class of mechanical parts that are used when two or more parts (or components) are tightly connected as a unit. It is characterized by a wide variety of specifications, performance purposes vary, and standardization, serialization, the degree of generalization is very high. Fasteners are the most widely used mechanical base pieces and are in great demand.

Q:The main meaning is that the design to make some specific requirements to achieve consistency.: Easy to install, disassemble; to ensure long-term solid does not fail (life); do not exceed the standard selection, cost savings;

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