At China Aluminum Screws, Inc.® we supply metric fasteners in an assortment of materials and sizes, for various applications.

Metric Nuts and Bolts Supplier

Whether you need a metric fastener for the automotive, chemical, marine, military, trucking, construction, electrical, communication, industrial manufacturing, oil, recreation, education, or any other industry, we can be your one stop shop for your metric fastener needs. With over 30 years of experience as a metric nuts and bolts supplier, we have the knowledge and expertise to provide the perfect solution for your fastener application.

To learn more about the sizes and dimensions we provide, please view our metric fastener charts below.

Unsure which fastener you need for your specific application? Contact us

Common Metric Materials

(Please note that this is just a list of the most commonly requested materials. Other materials can be provided as a specialty order. Please contact our sales team for more information.)

Steel Stainless Steel Brass
3.6
4.6
4.8
5.6
5.8
6.8
8.8 (grade 5)
10.9 (grade 8)
12.9 (ASTM A574)		 A1
A2 (300 series)
A4 (316 Series)		 MS 63
MS 58