Core Structural Features

• Torx Drive: High torque transmission, avoid head stripping during installation
• Cylindrical Round Head: Smooth flush mounting on deck surface
• Double Locking Reverse Thread: Hole expansion design to prevent screw pull-out
• Serrated Cutting Teeth: Optimized penetration for hard timber & composite board
• Single Type 17 Slot Auger Point: Fast self-drilling entry, effectively stop wood splitting