
Flat Head M4*50 Self Tapping Drill Point Screws Countersunk Decking Screw for Pressure Treated Wood. Corrosion Resistant Materials: Available in Stainless Steel, Carbon Steel, Duplex, and other rust-resistant alloys. Versatile Outdoor Applications: Ideal for deck construction, fencing, siding, and landscaping structures. Customized Service Support: Production available based on customer drawings and specific requirements. Multiple Material Options: Offering Carbon Steel, Stainless Steel, Aluminum, Titanium, Brass, and Copper. Flexible Shipping Methods: Supports Sea Freight, Air Freight, Train, and Express Delivery options. Free Sample Availability: Free samples provided if in stock; custom samples incur a fee. Wide Standard Compliance: Meets DIN, GB, ANSI, and JIS standards for global compatibility. Experienced Manufacturer: Over 15 years of experience in high-quality fastener manufacturing.