QZATTCAEN 1/4" x 1" Hex Washer Head Self-Drilling Screws (25 PCS), Grade 8.8 Heat Treated Carbon Steel, Zinc Plated Self Tapping Screws, Industrial Strength Metal Fasteners

QZATTCAEN 1/4" x 1" Hex Washer Head Self-Drilling Screws (25 PCS), Grade 8.8 Heat Treated Carbon Steel, Zinc Plated Self Tapping Screws, Industrial Strength Metal Fasteners

• 【Industrial Grade 8.8 Heat Treated】 Engineered with premium carbon steel and subjected to a rigorous Grade 8.8 heat treatment process. This provides exceptional shear strength and hardness, effectively preventing head-snapping and stripping even when drilling into high-tensile metal plates.
• 【Superior Corrosion Resistance】 Coated with a high-quality Zinc finish, these screws are built to withstand humidity and harsh environments. Whether for indoor machinery or outdoor metal structures, our fasteners offer long-lasting rust protection and structural integrity.
• 【Maximum Torque & Stability】 Built with a robust 1/4" shank, this screw features a standard Hex Washer Head that provides a wide contact surface for a secure grip. This design ensures maximum torque delivery without slipping, giving you a stable and professional-grade installation every time.
• 【Precision-Engineered for Flawless Grip】 Featuring advanced Thread Cutting technology, our self-drilling fasteners bite into surfaces instantly to eliminate slippage. Perfect for high-vibration environments like garage doors or metal roofing, these self-piercing points create clean, debris-free threads in steel, aluminum, or PVC. Get a rock-solid, professional-grade fit without the need for pre-drilling.
• 【Perfect 25-Piece Project Pack】 Tired of buying bulk boxes for small tasks? This 25-pack is the ideal solution for DIY enthusiasts, home repairs, and small-scale professional projects. Compact and easy to store in any toolbox without the clutter of excess hardware.