Square Taper Washer DIN435 DIN434
|Product||stainless steel square washers DIN436|
|Material||Carbon steel4.8grade,8.8grade,10.9grade,12.9grade; stainless steel202,304,316,316L;Brass|
|Productive Process||wire rod→Anneal→Acid cleaing→Draw wire→molding and rolling thread→Heat treatment→Surface treat →Packing|
|Surface treat||Plain,Black oxide,Blue white zinc,Yellow zinc,Hot dip galvanized,Copper plating,Gold plating,Chromium Plating.|
|Quality Control||Raw material inspect→process monitoring→Product test→Packaging check|
|Certification||ISO9001:2008 CE cert ROHs|
316 stainless steel washers have excellent resistance to chemicals and salt water. They may be mildly magnetic.
18-8 stainless steel and 17-7 PH stainless steel washers have good chemical resistance and may be mildly magnetic. 17-7 PHstainless steel washers are stronger than 18-8 stainless steel washers. Black-oxide 18-8 stainless steel washers have a matte-black finish.
Alloy 20 stainless steel washers have extreme corrosion resistance for use in marine environments and chemical-processing plants. They may be mildly magnetic.
A286 stainless steel washers withstand high temperatures. They have good chemical resistance and may be mildly magnetic.
Zinc yellow-chromate and chrome-plated steel washers are corrosion resistant in wet environments.
Zinc-aluminum coated and black ultra-corrosion-resistant coated steel washers resist chemicals and withstand 1,000 hours of salt spray.
Aluminum washers are lightweight and corrosion resistant in wet environments.
Copper, brass, and bronze washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive. Bronzewashers are stronger than copper and brass.
Titanium washers are extremely corrosion resistant for use in marine environments and chemical-processing plants. They may be mildly magnetic.
400 nickel washers have excellent resistance to salt water and some acids. They may be mildly magnetic.
1.What are your advantages compared with other suppliers and manufacturers?
High quality: As a professional and reliable supplier, we are experienced in the Quality Inspection and Control. Every product will be strictly inspected before it is delivered to our customers.
Competitive price: We are so glad to provide the most favorable prices for our customers. And the prices are negotiable by which a win-win result could be achieved.
2. Which payment terms are available us ?
T/T terms or other. On T/T term, 30% down payment is required in advance, and 70% balance shall be settled before shipment.
3. How long with the delivery?
Normally it takes about 20 days.
4. How about service?
24 hours online, and skype/QQ/wechat/whatsapp so on.
5. What is the warranty of our quotation?
1000 working hours or a year whichever comes first.
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.
* Training how to instal the machine, training how to use the machine.
* Engineers available to service machinery overseas.