
Premium Black Phosphated Fine Thread Screws for Drywall Installation. Precision Sharp Point: Sharp tip allows easy penetration into drywall and metal studs without pre-drilling. Bugle Head Design: Countersinks smoothly without tearing paper for a flush finish. Superior Grip Threads: Fine threads provide high-holding power in drywall and metal studs. Corrosion Resistant: Black phosphate coating ensures durability in humid environments. Dual-Thread Technology: Optional upper and lower threads for mixed-material framing efficiency. Coarse Thread Option: Available for better performance specifically in wood studs. Customizable Surface: Surface treatment available in Black/Gray Phosphated or Yellow Zinc. Flexible Length Range: Customizable lengths from 16mm to 60mm to fit various needs.