Q:The Symbolic Meaning of Screw

The "crazy screw" is in the life and employment under the dual pressure, long-term super-strength, over time limit of labor, the spirit of life, , Constantly challenge the physical and psychological limits of a group of people, they bear the hard work day and night, physically and mentally tired tired, gather more away from the family, is the new era of labor and employment environment of a deformed landscape.

Q:I'm talking about another thing

crews for the daily life of indispensable industrial necessities: such as cameras, glasses, watches, electronics and other small screws used; television, electrical products, musical instruments, furniture and other general screws; as works, construction, bridges are large Screws, nuts; transport equipment, aircraft, trams, cars, etc. are the size of the screw and use. Screws have an important task in industry, and as long as there is industry on earth, the function of screws is always important. Screw is thousands of years of people in the production of common inventions, according to the application field, it is the first major inventions of mankind.

Q:What is the meaning of the screw and the 4 and 8?

Strength grade 4.8, nominal tensile strength of 400MPA products, yield strength 320 (nominal 80%). For details, please refer to GB3098.1 or ISO898-1. There are all indicators

Q:The idiom of the screw

Screw idiomatic meaning 1. work conscientiously, obey the organization, where I go, loyal to duty, Lei Feng's "screw spirit." 2. Individuals obey the whole: ordinary people or things, dry line of love and his party.

Q:How is the screw produced

The In twist

Q:M4.8 * 25 What does it mean in screw size?

No meaning that there is no one of the most close to the national standard is, M5 * 25 For example, GB70.1, M5 × 25 hexagon socket head cap screws

Q:What is the effect of the screw?

The machine screw is mainly used for a fastening screw hole part, with a through hole between the parts of the fastening connection, no need to match the nut (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.) Also the most common screws.

Q:Why the screw thread more closely, spin into the more effort?

Screw thread more dense, indicating the screw thread deep and shallow, the screw in the advance the resistance of the smaller, when the spin naturally more effort.

Q:Please understand the friends of the self-tapping nails, screws, nuts production process, is the manufacturer's process. The more specific the more detailed the better

According to the screw nut and thread size custom the corresponding mold, mold is done into the material, then the head - rubbing - surface treatment - the packaging is complete.

Q:What tools are used to remove the screws, the two lines are grooves, the middle of a paragraph is convex

Motor on a lot of screws on this one, one by one in the middle of a word with a knife set a trough can be used