As the name implies, the cap nut is a hexagonal nut with a cover. The role of the cap is to tighten the outer exposed part of the cover, prevent moisture or some other corrosive substances from entering the inside so as to play the role of rust prevention, and then improve the service time of itself and the connecting parts

Product name	Grade 4.8 Flange Stainless Hex Washer Head Metal Steel Screw Nuts
Shape type	Hex,Square,Round,Hex flange,Triangular,Wing,Slotted,Cap, Hex Jam, etc
Size	M6-M56,1/4-2"
Grade	SAE J995 Gr.2,Gr.5,Gr.8,A563 Gr.C,Gr.DH ,A194 Gr.2H;class 4,5,6,8,10,12;
Surface Treatment	Plain, Zinc Plated(Clear/Blue/Yellow/Black)(ROHS), Black oxide, Nickel, Dacrotized, Spray, Painting, H.D.G., Mechanical galvanized, Teflon
Materials	Steel Alloy:Carbon Steel / Die Steel / etc.
	Aluminum Alloy:5052 /6061/ 6063 / 2017 / 7075 / etc.
	Brass Alloy:3602 / 2604 / H59 / H62 / etc.
	Stainless Steel Alloy:303 / 304 / 316 / 412 / etc.
	Other Special Materials: We handle many other type of materials. Please contact us if your required material is not listed above.
Application	Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating

Packing & Shipping

Application:

Sifang mother, hardware equipment, fastening accessories. It has a square shape with internal threads and can be used with bolts. Also known as a square nut, Mostly used in construction, building materials, home improvement, industrial and mining, transportation, power and other industries. Sifang mother is a nut type hardware product, with small size, different specifications and large demand.

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
.