1. it's machine screw

2. it's round head washer phillips screw

3. the material can be titanium, copper, aluminium. iron, stainless steel and so on.

4. we are factory in China, and we can provide best price, good quality and service.

5. Our products has passed ISO9001:2008 & ISO14001:2004 certification, our products have quality assurance.

6. We can make the promopt delivery

7. we can make the package according to the customer's requirements