STAINLESS STEEL SOCKET HEAD CAP SCREW DIN912

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Product Description:

 1,the description of our main products : 

The series of standard parts, stainless steel machine screws, self-tapping screws, outside hexagon screws, hex socket screws, set screws, nuts, Taiwan teeth, plain washers, spring washers, hole with elastic ring, shaft with elastic ring, open ring, gasket, different designs American-made inside and outside hexagon, top wire, nuts, mini screw; 12.9 Taiwan imported alloy steel of high strength screw; Allen wrench, ring spanner.

 Non-standard processing: according to drawings, standards, sample processing.

 GB, JIS, , DIN, ANSI/ASME,BS, ISO.

 

2,the application of the stainless steel screws

Electronics, medical equipment, hardware, mechanical, Marine, chemical industry, communications, construction, etc.

3,products show

 STAINLESS STEEL SOCKET  HEAD CAP  SCREW DIN912

3,stainless steel socket head cap screws

 

STAINLESS STEEL SOCKET  HEAD CAP  SCREW DIN912

STAINLESS STEEL SOCKET  HEAD CAP  SCREW DIN912

4,FAQ

Q: WHAT ARE YOUR ADVANTAGES?

A: 1. We have a specialized team in dealing with all the documents required by customers. We aim to zero error to save money and time for client. 2. We have a strict quality control from production to delivery. 3. We take use of advanced system and tool to improve working efficiency and control every step. 4. Professional sales team to serve customers. 5. Samples can be provided as your requirements. 6. Professional packing team which keep every packing safely.

Q: WHAT ARE YOUR MAIN PRODUCT?

A: We are specializing in providing cold rolled 201/410/430 Stainless Steel Coil / Stainless Steel Strip / Stainless Steel Sheet / Stainless Steel Plate, Stainless Steel Circle, Stainless Steel tube / Stainless Steel Pipe Sheets. 

Q: CAN I GET FREE SAMPLE?

A: YES. We can provide free sample. However, you should be responsible for the transportation freight. Please tell us your express account or please send us the transportation freight of samples firstly, then we can arrange sample delivery.

Q: HOW MUCH THE TRANSPORTATION FREIGHT WILL BE FOR THE SAMPLES?

A: The freight depends on the weight and packing size and your area.

 

 

 

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Q:M3 screw and M6 screw length, diameter is how much
M3: pitch: 0.5; diameter: 2.675; diameter: 2.459; outer diameter: 3; length: 6,8,10,12,16,18,20,25,30 (GB5783-86 specified length specifications) M6: Pitch: 1; diameter: 5.350; trail: 4.917; outer diameter: 6; length: 6,8,10,12,16,18,20,25,30,35,40,60. (GB5783-86 specified length specifications)
Q:How is the screw to use?
1, first clear the broken screw on the surface of the sludge with the center of the center of the gun will be killed by the center of the drill and then drill with a diameter of 6-8 mm drill bit in the center of the drill hole drilling, pay attention to the hole must drill through. After the hole is drilled, remove the small drill bit and replace the drill with a diameter of 16 mm. Continue to expand the hole of the bolt and drill it through. 2, take the diameter of 3.2 mm below the use of small and medium current in the broken bolt in the drilling from the inside to the outside of the surfacing welding site to take the beginning of the bolt half of the length of the bolt can not start too long So as to avoid breaking the outer wall of the broken bolt. Surfacing to the upper end of the broken bolt and then continue to pile out a diameter of 14-16 mm high 8-10 mm cylinder. 3, after welding with a hand hammer hammer its end point so that the broken bolt along its axial vibration.As the previous arc heat and subsequent cooling coupled with the vibration at this time will break the bolt and the body of the thread Between the resulting loosening. 4, carefully observed when you find a trace of rust after the break from the fracture when you can take the M18 nuts in the surfacing stigma and the two welding. 5, after welding with a cool hot plum wrench on the nut around the back and forth twist can also be back and forth twist side with a small hammer hammer the end of the nut so that you can remove the bolt off. 6, remove the broken bolt with the appropriate tap to the fabric within the rack to remove the hole to remove the rust and debris.
Q:The idiom of the screw
Lei Feng: I would like to always make a screw, a person's role, for the cause of the revolution, as a machine on a screw machine as a result of the many screws and fixed, only to become a solid whole, can Run freely, play its great ability to work. Although the screw is small, its role is not underestimated. I would like to make a screw hello forever. Screw to regular maintenance and cleaning, it will not rust. People's thinking is the case, to always check will not go wrong
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:Is the tail screw? If it is mainly used in what place? If not what are they different?
Normally, it should be called drilling screws, screws are the use of the object of the circular circular rotation and friction of the physical and mathematical principles, step by step to tighten the tools of the tools. Drilling screw is the front of the screw with self-tapping the head of the wood screws. 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. Drilling screws are in recent years people's new invention, also known as self-tapping screws. Main steel for connecting between the need for ordinary or high-strength bolts, plates with self-tapping screw connection. It can not be used for metal and metal bonding.
Q:What tools are used to remove the screws, the two lines are grooves, the middle of a paragraph is convex
As for the professional name is not clear, probably should be called forked screwdriver it
Q:How did the screw twist?
maintenance personnel with a large number of screwdriver three five in addition to get the two, he told me that the screwdriver should be used by the small model to the large model too, of course, I did not let you frequently change the screwdriver, but began to have too large Easy to spend, began to use a small easy to spend. Large screwdriver only after the screw has been spent on the stage.
Q:Screw M is mechanical teeth, tapping is what?
Self-tapping is a pointed screw for connection with no internal thread, such as plastic parts, wood parts, stone, etc.
Q:Who knows who invented the screw?
The use of the slope of the principle of the slope, with a small force can push up the heavy objects, as shown in Figure 1; human history for the first time the record of the helix design is appeared in the second century BC, was applied to improve Water level, irrigation, pumping equipment, known as water screws, so the inventor of water screws - - Archimedes (287-212 BC) is recognized as the father of screws

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