Countersunk head drill tail tapping screw M4*24
CSK Self-Tapping Screws are precision fasteners designed for direct installation into metal, wood, or plastic without pre-drilling. Featuring a countersunk head, these screws sit flush with the surface, providing a neat and professional finish. The self-tapping threads cut into the material during installation, ensuring strong, secure, and vibration-resistant fixing.
Countersunk head drill tail tapping screw M4*24 Material:
Material options: High-quality carbon steel (1022A) with zinc plating for general use; 304 stainless steel for humid/mildly corrosive environments; 316 stainless steel for extreme conditions with moisture, chemicals or salt. All retain drill-tap-fasten functionality with tailored durability
Countersunk head drill tail tapping screw M4*24 dimension and size:

| Size | d | L | D | K |
| M4.2*13 | 4mm | 13mm | 7.6mm | 3mm |
| M4.2*16 | 4mm | 16mm | 7.6mm | 3mm |
| M4.2*19 | 4mm | 19mm | 7.6mm | 3mm |
| M4.2*25 | 4mm | 25mm | 7.6mm | 3mm |
| M4.2*32 | 4mm | 32mm | 7.6mm | 3mm |
| M4.2*38 | 4mm | 38mm | 7.6mm | 3mm |
| M4.2*50 | 4mm | 50mm | 7.6mm | 3mm |
Countersunk head drill tail tapping screw M4*24 measurement and dimension :



