Pneumatic Type Union

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Q:High-strength screw standard parts of the quality of what data
High strength bolts are used for connecting bridges, rails, high pressure and ultrahigh pressure equipment.
Q: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 rivets
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:Does the fastener include screws?
A type of fastener with no head at both ends. At the end of the connection, it must be screwed into the part with the internally threaded hole and the other end through the part with the through hole and the nut is screwed even if the two parts are fastened together. This type of connection is called a stud connection and is also a detachable connection. Mainly used for one of the connected parts of a larger thickness, requiring a compact structure or due to the frequent removal of the bolt should not be used occasions.
Q:What is the fastener and others?
Department of mechanical engineering (a subject); mechanical parts (two subjects); fasteners (three subjects)
Q:What fasteners are manufacturers in China?
(11) Ningbo Ningli high-strength fasteners Ltd.(12) Ningbo Donggang Fastener Manufacturing Co., Ltd.
Q:what parts do Fasteners include
nut: with a threaded hole, the shape was generally flat hexagonal cylindrical, there are flat square or flat cylindrical
Q:How to check the quality of fasteners
Thread: Do not have chaos, roughness standards, internal and external thread test sets of each other about. search for
Q: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.
Q:What is the name of the screw (fastener)?
By specifications: M3. M4. M5. M6. M8. M10. M12 By head type: a. Flat head b. Small head (countersunk head)By the shape: a. Cylindrical light body b. Hexagonal c. Semi-hexagonal d. Cylindrical column posture

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