410 Stainless Steel Extra Long Phillips Countersunk Head Self-Drilling Screws for Iron

These screws are designed for heavy-duty applications, featuring a strong 410 stainless steel construction that offers excellent corrosion resistance. The extra-long length and self-drilling feature make them ideal for securely fastening iron materials without the need for pre-drilling. The Phillips drive provides easy and efficient installation, while the countersunk head ensures a smooth, flush finish on surfaces. Perfect for both industrial and DIY projects, these screws deliver reliability and lasting performance. Material Grade: 410 Stainless Steel Standard No.: National Standard Part Number: 4.2x63mm total length 6.3 cm [30 pieces], 4.2x63mm total length 6.3 cm [50 pieces], 4.2x63mm total length 6.3 cm [100 pieces], 4.2x75mm total length 7.5 cm [30 pieces], 4.2x75mm total length 7.5 cm [50 pieces], 4.2x75mm total length 7.5 cm [100 pieces], 5.5x80mm total length 8 cm [30 pieces], 5.5x80mm total length 8 cm [50 pieces], 5.5x80mm total length 8 cm [100 pieces], 5.5x100mm total length 10 cm [30 pieces], 5.5x100mm total length 10 cm [50 pieces], 5.5x100mm total length 10 cm [100 pieces], 5.5x125mm total length 12.5 cm [30 pieces] partially threaded, 5.5x125mm total length 12.5 cm [50 pieces] partially threaded, 5.5x125mm total length 12.5 cm [100 pieces] partially threaded Nail Type: Screws Manufacture country: China Instructions included: No