DIN931 Hexagon Head Bolts

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Product Description

Product Name	DIN931 Hexagon Head Bolts
Material	Carbon Steel, Stainless Steel 201/ 304/ 316 or others.
Size	M6--M24
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：

DIN931 Hexagon Head Bolts

Q: What is a screw? What is a nail? What is the concept? What is the difference!: Machine nails are mechanical bolts, mainly due to mechanical connections, due to smaller size mechanical screws

Q: Screws are not slopes.: Can not simply say whether it is a specific analysis of specific issues

Q: M4.8 * 25 What does it mean in screw size?: You should ask the specifications of the method should be very rare 4.8 should be more from the tapping, should not use M said, M generally said that the machine thread

Q: Who is the information on fasteners ah?: Fastener materials (steel wire, stainless steel wire) Fasteners use tools, fastening systems.

Q: Does the fastener include screws?: Fastener fasteners are also known as standard parts on the market and are a generic term for a class of mechanical parts that are used when two or more parts (or components) are tightly connected as a unit. It is characterized by a wide variety of specifications, performance purposes vary, and standardization, serialization, the degree of generalization is very high. Fasteners are the most widely used mechanical base pieces and are in great demand.

Q: What material is used for spring washer: Usually 65MN spring steel or 70# carbon steel, but sometimes also with 60Si2Mn, can also be used stainless steel material SUS304 or SUS316

Q: 304 and 201 stainless steel spring washers that soft? Easier to move: 304 relatively softOur company can produce. Kazakhstan

Q: Want to fix something, which is a triple iron (do not know how thick), would like to ask what screws can be turned into? Can ordinary drill go in? The question is to consider the drill or consider the screw, or have to consider? Thank you! The: You use high-strength drill bit, drill hole, after drilling with a tap, cone wire, tighten the screw, how much wire according to your choice.

Q: What is the invention of the screw?: Hello hello as early as 2000 years ago appeared, but it will be used for fixed objects to be delayed until about 500 years ago. The first person who describes the spiral is the famous ancient Greek scientist Archimedes, which uses a wooden bucket to make a spiral object used to extract water from one plane to another plane for irrigation. By the middle of the Middle Ages, craftsmen used wood nails or metal nails to connect the wood structure of the building. This should be the real predecessor of the screw. In the 16th century, people began to produce spiral nails. And to the 18th world, people began a large-scale production of fastening objects with a screw nail. The afternoon is helpful to you

Q: Inside the hexagonal screws, rather not down, it may be too much screw on the screw too tight has been bad 3 screwdriver screw is too small also one-half of rice grain please help think about ways: T-shaped irons and screws, you can twist it off

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