DIN933 Hexagon Head bolts M4-M22

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Product Description

Product Name

DIN933 Hexagon Head bolts M4-M22

Material

Carbon Steel, Stainless Steel 201/ 304/ 316  or others.

Size

M4--M22

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:Who is the information on fasteners ah?
Fastener production equipment (screw molding machine, cold heading machine, head machine, threading machine, cutting machine, thread rolling machine, rolling machine, drawing machine, wire drawing machine, screw automatic screening machine, vibration plate
Q:what are the Fasteners Selection Specification
Specification is: can not affect the performance of the product being used, and fully guarantee the effect of fastening.
Q:Fasteners are used in what areas?
facilities, tools and instruments of human production will not be produced, people will no longer have electricity, no more tap water, no longer have a variety of automation equipment, no longer There is a lot of construction projects will not be able to solve the problem of connecting technology and a comprehensive shutdown, the level of human society productivity at least 300 years back, our lives will become incredible.
Q:What is the fastener and others?
Department of mechanical engineering (a subject); mechanical parts (two subjects); fasteners (three subjects)
Q:how to use Motor washer
Halo, brother, your question also detailed ah, there are a lot of places on a motor washer ah, do you mean where ah, you have to iron or plastic washers, spring washers, I think it is the plastic washer, mainly plastic washer 1 are leak proof, waterproof, anti oil,... 2 insulation, high pressure resistance, 3, vibration reduction, 4, reduce wear, basically on these several functions
Q:Gasket 300HV relative to what material?
For the 100HV level can choose ST12, ST13 and Q235, Q215, Q195, etc., the surface hardness can reach about 110HV
Q:Engineering argument, usually referred to as the M3 screw, M refers to what is the meaning? The Please instruct the engineering staff.
International Metric Thread System: The national standard CNS adopts the thread. The crest is flat and easy to be turned. The tooth bottom is rounded to increase the thread strength. The thread angle is 60 degrees. The specification is expressed by M Metric thread can be divided into two kinds of coarse and fine teeth, such as M8x1.25 (M: code: 8: nominal diameter .1.25: pitch).
Q:201 stainless steel gasket and 304 stainless steel gasket which is soft
304 relatively softOur company can produce. Kazakhstan
Q:How does the screw twist?
For the hexagonal head of the screw can be directly vibration (pay attention to strength), and then twist; if not edge of the case, you can use the saw or flat shovel of the head of the screw slotted with a screwdriver.
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

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