DIN439 Unchamfered Hexagon Thin Nut

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Product Description

Product Name	DIN439 Unchamfered Hexagon Thin Nut
Material	Carbon Steel, Stainless Steel 201/ 304/ 316 or others.
Size	M3--M20
Standard Model	DIN ANSI JIS ASTM
Min Order	1000piece/ pieces

Packaging & Shipping

Packing	Inner Box + Carton Box + Pallet or Under Your Requirement
Supply capacity	10000000 piece/ pieces per month
Delivery time	5~20 days after deposit
Export market	Asia, America, Europe, Africa, markets.

Our Services

1. Reliable Supplier
2. High Quality
3. Standard Producing Technology
4. Competitive Factory Price
5. Fast Delivery

1. Reliable Supplier

2. High Quality

3. Standard Producing Technology

4. Competitive Factory Price

5. Fast Delivery

Product Picture：

DIN439 Unchamfered Hexagon Thin Nut

Q: What is the role of flat washers? There is a friend who can introduce: In simple terms, the fastener medium has mainly above the washer, sealing, decompression, increase friction damping, fixed five role.

Q: Do not use self tapping screws: Self tapping screws are needed to use the gasket.A part between a connector and a nut. A flat metal ring is generally used to protect the surface of the connecting piece from the nut.

Q: A tightened screwdriver has been damaged, that is, the cross into a round mouth, and now I need to get it out for a new one, is there any way to take it out?: If the screw nail head on the outside, you can use the hacksaw saw a word again, and then use a relatively large one screwdriver out, if it is Shen head head, only slowly with a file to do, and then screwdriver.

Q: I'm talking about another thing: Screw is the use of objects of the circular circular rotation and friction of the physical and mathematical principles, step by step to fasten the tools of the tools. Screws are the general terms of fasteners, daily oral language

Q: What is the principle of screw: Screws are an example of this simple mechanical principle of the slope. Screws are like a spiral mountain road, and the more the groove is, the more effort is. The thread of the screw is a simple mechanical "spiral" application in physics, while the spiral is the deformation of the slope.

Q: Fasteners often say that the nature of galvanized oxidation is what it means: True color refers to the surface of the fastener is not any treatment, copper is copper color, iron is the color of iron, aluminum is the color of aluminum. Galvanized iron is the surface of the fastener coated with a layer of zinc, the role is rust. Oxidation refers to the surface of the fastener to the chemical reaction, to produce a layer of anti-rust film, the main role is rust, the other can also beautify the appearance.

Q: Does the fastener include screws?: It usually includes the following types of parts

Q: Very urgent, please help a lot. I do not have any advanced tools, only the screwdriver or something: Use a 502 glue to stick the screwdriver above it and then twist it down

Q: Why are the screws of the screw?: Fine thread thread pitch is small, the angle is small, self-locking is better, high strength, because the teeth are not wearable, easy to slip. Fine thread is often used in fine parts, thin-walled pipe fittings or by the impact, vibration and variable load connection, can also be used as fine-tuning mechanism for adjusting the thread.