SUNKIN #12 x 2-1/2 Self Tapping Screws for Metal – Hex Head, Heavy-Duty Outdoors Application, Drills up to 1/2″ Mild Steel, Silver Coating, Corrosion-Resistant, High-Performance Fastening (46 Pcs)

Price: $29.49
(as of Nov 26, 2025 13:12:33 UTC – Details)

From the brand

SUNKIN has a goal to make users feel easy when using its fasteners.

Too many users quit their projects because of frustration brought by weak screws.

Therefore, SUNKIN brings many engineered solutions to save users from frustration.

We will appreciate if you find our product help out in your projects.

SPECIALTY FASTENERS

Product Dimensions ‏ : ‎ 3 x 3 x 3 inches; 15.84 ounces
Date First Available ‏ : ‎ January 11, 2024
Manufacturer ‏ : ‎ SUN THROUGH INDUSTRIAL CO., LTD.
ASIN ‏ : ‎ B0CS2TP9DP
Best Sellers Rank: #24,206 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #79 in Self-Tapping Screws
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🔩 Labor-Saving Spiral Drilling Point – Engineered with a unique spiral drilling tip, these self-drilling screws reduce friction by 30%, making drilling smoother, faster, and more efficient while minimizing effort.
🔩 Heavy-Duty Drilling Capacity – Up to 1/2″ Steel – Designed for high-performance fastening, these self-drilling Tek screws penetrate up to 1/2 inch of mild steel or aluminum, making them ideal for industrial, construction, and DIY applications.
🔩 Silver Ceramic Coating – Extreme Corrosion Resistance – Featuring an advanced silver ceramic coating, these screws withstand 1,000-hour salt spray tests and 15-cycle Kersternich tests, offering superior durability compared to standard zinc plating.
🔩 5/16″ A/F Hex Head for Maximum Torque & No Cam-Out – The hex washer head ensures a secure grip, providing better clamping force and preventing stripping, delivering consistent and reliable fastening for thick metals and hardwoods.
🔩 Versatile for Multiple Applications – Perfect for metal-to-metal and wood-to-steel fastening, these self-drilling screws are ideal for construction projects, metal framing, roofing, solar panel installations, and DIY home improvements.