The material is made of high quality 12,9 grade alloy steel.

Suitable for maintenance, fastening, and home repair of furniture in various fields, such as doors, windows, cribs, tables, benches, etc. It is also suitable for other electronic products, mechanical products, digital products, and electrical equipment Their surfaces are treated with black oxide, which has excellent corrosion resistance, firmness, wear resistance and low temperature resistance.

Package Included:
M3 x 30mm (50PCS)
Total:50PCS
Warranty:
Whenever you need us, please contact us by email or Q&A. We will provide you with professional services and reply to you as soon as possible. If you are not satisfied with the product, you can get a full refund, and you can buy it with confidence.