DIN 134 Large Plain Washers White Zinc-Plated M2.5M3M4M5 Flat Gasket Washer

Flat washers are usually thin pieces of various shapes designed to reduce friction, prevent leakage, isolate, prevent loosening or distributing pressure. These components are found in many materials and structures and are used to perform a variety of similar functions. Restricted by the material and process of threaded fasteners, the supporting surface of bolts and other fasteners is not large, so in order to reduce the compressive stress on the bearing surface to protect the surface of the connected parts, gaskets are used

1. Certification: ISO, ROHS, SGS
2. Available Standard: DIN, ANSI, ASTM, JIS, BSW
3. Strength: Grade 4.8,Grade 8.8,Grade10.9,Grade12.9 A2-70, A4-70, A4-80
4. Finishing: Yellow, blue, white zinc plated, Galvanized,HDG,Chromate,Dacromet
5. Available material: Carbon steel, stainelss steel SS304, A2 ,Stainless steel SS314,A4.
6. Size: M2-M100, Length: 5-300mm, Moq: 500pcs, Port: Shenzhen, Shanghai
7. Available Packing: Plastic bags+Chipboard Cartons+Plywood pallet with Belt &Film.

Packing & Shipping

Package details:

1) Sample order, 20/25kg per carton with our logo or neutral package;

2) For Large orders, we can custom packaging;

3) Normal Packing: 1000/500/250pcs per small box. then into cartons and pallet;

4) According to customers' requirements.

FAQ

1.How do you let me trust you?
We are a Golden supplier in Alibaba who do business for more than 5 years. You can make an order by Alibaba to us directly.

2.How about your price?
High-quality products with a reasonable price suitable for your market.

3.How do you control your quality?
We request a QC inspection for each batch of goods. And we can provide you inspection report and mill certificate if you want..

4.Could you provide free samples?
For new customers, We can provide free samples for standard fasteners. But the clients will pay the express charges. For regular customers, We will send you free samples and pay express charges by ourselves.

5.How about your delivery time?
Generally speaking, All the goods have stock with little quantity, we can delivery them with one week. If the quantity is 1-2container, we can give you with 30-45days.

6.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallet is about 900-960kg, We also can make the customer's logo on the cartons. Or we customized cartons according to customers' requirement, If you need small box packing, we can do according to your requirement.

7.What is your payment term?
We can accept T/T,LC for general order. For new customer, we request 20%-50% T/T in advance, and balance payment should against B/L copy. For regular customer, we can provide delay payment after B/L date about 30-90 days
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Thread Specification d		Φ3	Φ4	Φ5	Φ6	Φ8	Φ10	Φ12	Φ14	Φ16	Φ18	Φ20
d	Min	3.2	4.3	5.3	6.4	8.4	10.5	13	15	17	19	21
d	Max	3.38	4.48	5.48	6.62	8.62	10.77	13.27	15.27	17.27	19.33	21.33
dc	Max	8	10	12	14	18	22	28	28	34	40	40
dc	Min	7.64	9.64	11.57	13.57	17.57	21.48	27.48	27.48	33.38	39.38	39.38
h	Max	0.55	0.9	1.1	1.8	2.2	2.7	3.3	3.3	3.3	4.3	4.3
	Min	0.45	0.7	0.9	1.4	1.8	2.3	2.7	2.7	2.7	3.7	3.7
	Nominal	0.5	0.8	1	1.5	2	2.5	3	3	3	4	4