DIN 125A plain washer with High Quality

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Name: DIN 125A plain washer
Usage: usually used in building and engineer

Model Number	DIN125A
Size	M3-M52
Material	carbon steel , mild steel , A2, A4 , copper , brass , aluminum
Surface	plain ,BZP CR6+/CR3+, HDG, black ,YZP
Package	20-25KG each carton ; small box into small cartons into pallet, then into 20GP container
Be Used for :	Assort with bolts and nut for strength,mainly used in building and engineer.
Documents	packing list, invoice, B/L, CO, FORM A, Quality certification or what you want

Packaging & Shipping

Our Services

Our service:	1.Timely reply your inquiry and doubt
	2.Timely production and delivery
	3.With 100% inspection prior to shipment
	4.Highly competitive prices with the industry
	5.Help solve problem after sales

FAQ

1. Q: How about the quality of your product?

A: 100% inspection during production.

Our products are certified to ISO9001,

TS16949 international quality standards.

2. Q: What's the delivery time?

A: For custom order, within 20 tons,

production time is 30--35days after confirmed every details.

3. Q: What's your packing?

A: Our Normal packing is bulking in Cartons, and then in pallet.

We also can pack products according to your requirement.

4. Q: What about the warranty?

A: We are very confident in our products,

and we pack them very well to make sure the goods in well protection.

5.Q: Could you send me your catalogue and price list?

A: As we have more than hundreds of products,

it is really too hard to send all of catalogue and price list for you.

Please inform us the style you interested,

we can offer the pricelist for your reference.

Q: Flat gasket with what material: According to different purposes, there are low carbon steel Q235, 10, medium carbon steel 35,45, spring steel 65Mn, stainless steel A2, F1, etc..

Q: How to use washer, gasket, o-ring ": Three are used to enhance the sealing performance of the accessories, in general:Washer gasket, a uniform thickness of the ring, used in the bolt to enhance the connection between the fastening; gasket gasket, a variety of shapes, for a variety of occasions, enhance the tightness. In general, both are metallic and washer is included in the category of gasket.Liner and O-ring are commonly referred to as sealing ring, rubber material, shaped like a mini version of the buoy, but the wall thickness is larger and better elasticity, mainly used for instrument installation in Glen head.

Q: I would like to ask what is the standard gasket and gasket in general what material?: Stainless steel, there are A2 (304) or A4 (316) material or something

Q: Gasket 300HV relative to what material?: For the 140HV level can choose 08F, 08Al and 10, 10F, etc., the surface hardness can reach about 140HV

Q: A general set of screws have a few nuts, bolts, washers?: Different bolt standards have different supporting methods, such as GB1228 big six angle a set of bolts contains 1 bolts a nut, and the gasket, and the shear bolt type is the 1 set of the bolts of a nut, the 1 gasket 1

Q: For example, some people ask us to assemble the time zone of the flat washers of the positive and negative side, I would like to ask the installation of flat washers have positive and negative points? If yes, how to distinguish?: Generally, but if the request is high, there is a round face near the nut.

Q: What material is used for spring washer: Spring cushion ring: widely used in the mechanical and bearing capacity of the general mechanical products, which is characterized by low cost, easy installation, suitable for frequent loading and unloading parts. But the spring washer is very loose! Especially in Europe and the United States in the current requirements of high reliability products, the use of very low rate, especially the important load-bearing structure of the connection site has been abandoned for many years. Our country has some applications in the military, but has been improved to stainless steel materials. It is said that the steel spring washer in CASC was banned! It is also said to be very unsafe, there are two reasons for the 1 is up ring is hydrogen embrittlement of 2.

Q: Stud that head or nut that ah, I need to have the authority of the provisions of the document, please know that the prawns are told, thanks to!: Washer look at the situation there is a large screw hole to prevent the screw directly into the hole on the installation of the screw to prevent the nut back on the nut installed on the other side of the file?

Q: What's the meaning of the "200HV" of the gasket material? Is that the hardness level? What materials are usually chosen? Know predecessors please advice, younger brother is not very grateful!!!: Should be less than 200HV, which is gasket, should consider the tightness, high hardness of the seal is not good!