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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.s
Is it hard to heat the fasteners?
- Fasteners are also known as standard parts, which are mainly heat-treated according to the material of the product.s
What are some of the common fastener products?
- There is also a fastener called "pin" This fastener is generally used to locate the parts, and sometimes can also be connected to the fixed role, in addition to a part can be used to transmit power or lock other fasteners.s
what are the Fasteners Selection Specification
- Easy to install, disassemble; to ensure long-term solid does not fail (life); do not exceed the standard selection, cost savings;s
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 meanss
Will the stainless steel fastening standard parts of the national standard code and name?
- Fasteners with the material does not matter the standard, and now the most commonly used national standards and names corresponding to the following GB5783, full-tooth hexagonal screws GB70, hexagonal hexagon head screw GB818, pan head cross slot screw GB819, countersunk head cross slot screw GB845, pan head cross slot self-tapping nail GB846, countersunk head trough self-tapping nail GB6170, ordinary hexagonal nut GB889, nylon lock nut GB96, flat pad GB93, spring pad GB869, countersunk head rivetss
How to check the quality of fasteners
- 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.s
In the fastener industry, 1018 refers to what material
- Low-carbon steel. Domestic in accordance with the Japanese standard to create the SWRCH18A. (JIS G 3507) Carbon C: 0.15 to 0.20 Silicon Si: 0.17 to 0.37 Mn Mn: 0.60 to 0.90 Phosphorus P: ≤0.030 Sulfur S: ≤0.035 The carbon content of the material is relatively low and can not be quenched and tempered. Used for cold piers to make low-grade screws. Pull up the strength of 450Mpa.s
How to remove the seized bolts best
- Bolt, with nuts cylindrical threaded fasteners. Is a machine part, usually fixed in the periphery of the mechanical equipment, so, over time, it is easy to rust. But how to remove ...
pcb printed circuit board
- Pcb printed circuit board, is a provider of electrical connection of electronic components. Its development has been more than 100 years of history; its design is mainly layout des...
What are the nuts and bolts
- In general, bolts and nuts is necessary. So what is the bolts and nuts? Bolt in daily life and industrial production and manufacturing, is little not, bolt, also known as industria...
General situation and classification of grinding discs
- Grinding discs is also known as the consolidation of abrasive. The grinding discs is made of a certain shape, which is made of ordinary abrasive by the bond.It is generally made of...
What is the structure of the sharpening wheel
- Sharpening wheel is mainly composed of a big wheel and a small wheel. Wheel diameter is 26 inches (about 0.66 m). Small wheel used for stability of the sharpening wheel, and help c...