Regular Helical Spring Lock Split Washers ASME B 18.21.1 - 1983 Prevent Surface
In the screw with nuts, the role of the gasket is mainly: increase the contact area, reduce pressure, prevent loosening, protect the Bai protect parts and screws.
A gasket is a mechanical seal between two objects, usually used to prevent pressure, corrosion, and natural pipeline expansion and contraction leakage between the two objects.Since machined surfaces cannot be perfect, irregularities can be filled with gaskets.
Gaskets are usually made of sheet materials such as pad, rubber, silicone rubber, metal, cork, felt, neoprene, nitrile rubber, glass fiber, or plastic polymers (such as ).Gaskets for specific applications may contain asbestos.
The spring gasket has destructive force on the acting material. If the wood is true, it will destroy the force surface. The ordinary gasket plays a protective role.

Products name
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Ansi/Asme B 18.21.1 - 1983 Regular Helical Spring Lock Split Washers
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Material
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Brass, Stainless Steel, Steel, Alloy steel/Carbon steel/Stainless st
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Size
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2#-3inch
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Surface treatment
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Black/grey phosphate, zinc plated, nickel-plated, Rupert
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Application
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Heavy Industry, Mining, Retail Industry, General Industry, Oil & Gas,
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Style
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Box Packing+carton+palle
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Products Description
Package & 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.