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201 stainless steel inner six angle flat end screw screw headless screw machine GB77M4*5-M12*25

Size description: GB77M4*5 refers to the diameter of 4mm, length of 5mm, other specifications and so on; link is the 1 price.

discount 70% in 2018-09-20 to 2018-09-22
price: USD$ 0.67
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
Minimum Order Quantity:14
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      Solid store run, online and offline synchronous operation, quality assurance, service more convenient.Not deliberately chase the hubbub, but in the insistence, adhere to the quality of price and beauty of the perfect win-win; no tide of praise, but there are streams like a steady stream of praise.In the age of information and Internet, quality, integrity, professionalism, service, win win and convenience are the preconditions for gaining small profits, and also the tenet that we will never change.

The world is so big, Hainan is so wide that you see us, it is fate; from the emotional interaction, please pay more attention to us, contact us, even if it is only the "Ding Dong" sound, let us know your arrival, perhaps, you will find a different surprise. Sales Hotline: 028-87625638, we can according to your requirements to customize all kinds of non-standard parts, we willDelivery as soon as possible.

Our large number of wholesale sales of stainless steel fasteners, to ensure material, quality assurance.

Spot a sell, large amount of discount.

This shop promise: the material in question, on approval. Quality problems, on approval. Let buyers worry free shopping!

Large volume, you can consult the customer service, we will according to your quantity to you the most favorable wholesale price.

According to customer requirements, different specifications of stainless steel fasteners and non-standard parts are made! Specific consulting customer service!

Baby description


You ask me to answer

Question 1

Why does 1. stainless steel bring magnetism?

304 stainless steel belongs to austenitic stainless steel, austenite in cold processing part or a small amount into

Martensite, martensite is magnetic, so 304 stainless steel is non-magnetic or micro magnetic. specific

Baidu can query why 304 stainless steel contains magnetism.

Question 2

2. how to identify authentic 304 stainless steel products?

Support the detection of 304 stainless steel special detection liquid.
Support chemical composition analysis and spectrum analysis.
Support smoke test, simulate the actual use environment.

Question 3

3. what are the most commonly used stainless steel?

.201 stainless steel, suitable for use in the dry environment, easy to rust when encountering water.
304 stainless steel, outdoor or humid environment, corrosion resistance, strong acid resistance.
316 stainless steel and molybdenum, more corrosion resistance and pitting corrosion resistance, especially suitable for seawater and chemical media.

Shopping tips:

       1、Intimate, small shops run with solid stores,All baby parameters, freight mode and the specific amount of freight are based on the actual situation,If the buyer is confused, please contact us promptly.Please do not shoot directly, thank you! For no communication or communication is not clear buyers, our shop will not be shipped, thank you!

       2、A friend who needs to make a reservation in advance, hotline: 028-87625638, thank you

       3, buyers can contact online customer personnel to provide products procurement list or drawings, we will give you a quotation budget, final confirmation, can use the shopping cart to take, recommend the use of Alipay payment transaction.

4, on product models, specifications and other issues, you can directly contact online Wangwang customer service, or call 028-87625638

5, other contact methods:Alibaba integrity website

                         Q       Q : 292743431(Note: Taobao)

About delivery:

1, the order of the day before 17:00 the afternoon of the payment order (except non-standard parts), the normal delivery on Saturday (if there is a special case, customer service will be the first time truthfully inform the customer)

2, our default express is excellent speed express, expected arrival time to express speed prevail, generally 2-5 days! Urgent advice to make up the difference by Shunfeng express!! The election of Tong, tact, Shen Tong, E Po please note, if not to our automatic forwarding courier without notice; remote areas should also express delivery charges, we can not predict the specific costs, to the provisions of the local courier company shall prevail.

      3、Chengdu around the shopping amount of more than 100 yuan buyers, the shop can sendYu Dongfeng, Changji, lizhan three freight DepartmentCollection on behalf of. If you want to send other freight department buyers, please contact the seller to negotiate the specific delivery, thank you!


1. All the pictures in this store are for reference only. The slight color difference and size may be caused by the display, light, personal understanding of the color and the sensory size of the productetc.Problems are not part of the quality problem.The color and size of the product are the final product.

2, the general screw directly for the thread part thickness, in the production and national standards, the diameter of the screw is under tolerance; such as 11.7mm, 11.8mm, 11.75mm and so on belong to the 12mm screw, 9.7mm, 9.8mm, 9.75mm and so on belong to the 10mm screw. If buyers can not accept the above point of view, please carefully shopping, thank you!