
Trim Head with Nibs Hi-Lo Thread Self-Tapping Drywall Screw. Hi-Lo Thread Design: Requires less torque to drive compared to standard twinfast screws for metal or wood. No Pre-Drilling Required: Can penetrate up to 0.8 mm thick metal profiles and timber supports directly. Customizable Colors: Available in Black and Gray finishes with phosphate or zinc plating options. Wide Size Range: Sizes from M3.5x13 to M3.5x75 and M4.2x100, with customization available. Manufacturer Direct: Direct factory source with 7x24 hours real-time video verification service. Free Sample Policy: Samples provided free of charge, excluding courier fees. OEM/ODM Support: Custom designs welcome with flexible delivery schedules. Fast Stock Delivery: In-stock items delivered within 15 days; bulk orders take 30-60 days.