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: Why do you have to add a spring washer when it comes to the role of ah ah ah: Reinforce and prevent looseningImagine the screw into the threaded hole, if the equipment for a long period of vibration, screw and screw combination may be loose, or even fall off

Q: Gasket A140 what is the material: A140 belongs to stainless steel, used for corrosive medium environment to do flat washer;

Q: what parts do Fasteners include: Screw: also by the head and screw two parts of a class of fasteners, according to the use can be divided into three categories: machine screws, set screws and special purpose screws. The machine screw is mainly used for a fastening screw hole part, with a through hole between the parts of the fastening connection, no nut matching (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.) The locking screw is mainly used to hold the relative position between the two parts. Special purpose screws such as rings are used for lifting parts.

Q: Why a screwdriver can suck the screw: Bolt knife head with magnetic, and in the installation of small screws

Q: How do you choose the appropriate gasket for bolt or screw connection?: Mainly depends on your needs, such as the bolt is M10, you have to choose the matching. A variety of information can be found from the hardware manual.

Q: When do flat washers use GB95 when using GB97.1?: Flat washers are usually thin pieces of various shapes, used to reduce friction, prevent leakage, isolation, to prevent loose or disperse pressure. Such components are used in many materials and structures to perform similar functions. Due to the limitation of the material and the process of the threaded fastener, the supporting surface of the bolt and the like is not large, so that the surface of the connecting piece is protected by reducing the compressive stress of the bearing surface.

Q: What is a self-tapping nail? Is it used? What are the characteristics of the shape? What is the difference with ordinary screws?: Self-tapping screws are in the metal or non-metallic materials in the pre-drilling in the self-drilling with a threaded thread with a threaded fastener. Self-tapping screws with high tension, single, unilateral combination of features. Self-tapping screws are used for connection between thin metal plates (steel plates, saw boards, etc.). When connecting, first thread the bottom of the connector, and then screw the tapping screw into the threaded bottom hole of the connected part. As the tapping screw thread surface has a high hardness (≥ 45HRC), can be connected to the threaded bottom hole in the internal thread, thus forming a connection.

Q: I would like to look at my mp4 apart, the above screws are small, is cross-type, our family is not so small screwdriver, what can be used to screw the screw Oh, a little practical method Kazakhstan,: With the scissors of the tip to withstand the screw retraction of the place, forced to rotate in one direction to be able to open. But it is recommended to go to the hardware tool shop to buy a small cross screwdriver, get flowers do not look good, their feelings will be affected

Q: Fasteners are used in what areas?: General use of a wide range of applications, such as machinery, electronics, transportation, furniture, construction, chemicals, ships, toys, etc., life is everywhere. Aerospace fasteners are fasteners designed for aerospace vehicles.