DIN931 Hexagon Head Bolts

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10000000 piece/ pieces per month pc/month

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Product Description:

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


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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:What does the screw m4x6 mean?
Upstairs answer wrong, should be nominal diameter of 4 mm, 6 mm long, nominal diameter can also be called a large diameter, that is, the outermost circle of diameter ...
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:Why a screwdriver can suck the screw
Magnet in the top of the screwdriver with a direction of friction can be used more than once with magnetic convenience
Q:Flat gasket with what material
Due to the standard for the 100HV, 140HV flat washers can be made of low carbon steel. General enterprises in the selection of materials, most of the materials used in Baosteel, easy to cold stamping. Here is a brief description of Baosteel standards.
Q:In the design, the bolt connection is necessary to have a gasket?
It is best to add a gasket, there is an increase in friction, it is difficult to prevent aging after the screw.
Q:Who knows who invented the screw?
Greek mathematician Archimedes invented the thread, but until the 15th century only appeared the first screw, do not know who is its inventor. 1550 years with wood screws, until 1774 only invented a screwdriver. In 1936, Henry M. Philips applied for a patent for the screws of the crosshead head
Q:How to remove the broken screw?
When the screw is broken, if a part is exposed, it can be screwed out with the appropriate pliers, or a square nut is welded to the broken screw to screw out the dowel screw.
Q:Gasket A140 what is the material
Gasket A140 is stainless steel, used in corrosive media environment to do flat washers.Gasket introduction: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.Classification:The washer is divided into: -C, flat washer washer -A and grade C, grade -C large washers, washer, flat washer, flat washer, chamfered - - a grade steel structure with high strength washer, spherical washer, taper washers, square taper washers, steel I-beam, square taper washers standard type spring washers, spring washers, light heavy spring washers, lock washers internal teeth serrated lock washers, inner and outer teeth lock washers, serrated lock washers, single ear washers, ears washers, external tab washers, round nuts with washers.
Q:When do flat washers use GB95 when using GB97.1?
National standard GB95 applies to the performance level to 6.8, product grade C grade of the six head bolts and screws; as well as the performance level to level 6, the product grade is C grade of the nut, the surface of the hardened screwGB97.1 is suitable for six head bolts and screws with grade 8.8/10.9, grade A/B, grade 8/10, grade six, with a grade of A/B, and a self - tightening screw for surface hardening

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