Welcome to our shop 1. Head type: Hexagonal countersunk head for easy installation and a neat finish 2. Available in black for a sleek and professional look 3. Thread diameter options: M3, M4, M5, M6, M8 to suit various applications 4. Screw length (including head): Available in 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm for versatile use 5. Package Content: Available in packs of 2, 5, 10, 20, 100 countersunk screws to meet different project requirements. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.