Small black countersunk head screw

The product name is Small black countersunk head screw,the raw material is carbon steel.The color of this micro screw is black,the surface treatment is Black zinc plating.The head of this black screw is phillips flat and countersunk head,small high precision,high corrosion resistance.The material,size,color,surface treatment,head can be do according to customer's requirement.

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Product Details

(1)The formation mechanism of black passivation film is basically the same as that of color passivation. The difference is that the reduction products in black passivation containing silver salts are Ag2O and fine particles of silver.Cu2O is contained in the black passivation film containing copper salts.They are mixed in the passivation film to make the passivation film black.


(2)Product display

The product name is Small black countersunk head screw,the raw material is carbon steel.The color of this micro screw is black,the surface treatment is Black zinc plating.The head of this black screw is phillips flat and countersunk head,small high precision,high corrosion resistance.The material,size,color,surface treatment,head can be do according to customer's requirement.

black countersunk head screw

Small countersunk head screw

Small black screw


(3)Product details

Place of origin:Guangdong,China (Mainland)

Product name:Small black countersunk head screw

Color:Black

Head type:Countersunk phillips head

Size:According to customer requirements

Quality certificate: ISO9001:2015,ISO14001:2015

(4)Our Company

Small black countersunk head screw

 

(5)Production process

Custom micro phillips screw

 

(6)Service:

1.Customized design is available. ODM&OEM are welcomed.

2.Every year, our factory will develop the new products to meet customers need.

3.We always supply the factory price on the same quality level, and try our best to save our client’s every cent.

4.We offer 24-hour services.


(7)FAQ

1.Could you send us your catalogue and price list?

As we have more than thousands of products, it is really too hard to send all of catalogue and price list for you. Please inform us the style you interested, we can offer the pricelist for your reference.


2.How about your delivery time?

Generally, we will take 10-12 days after receiving customers payment. The specific delivery time depends

on the items and the quantity of your order.


3.Any discount possible if I place an order?

Yes,we have different price ranges (discounts)according to your quantities.You can consult us anytime,thanks.

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