Meet Malco HW6X3/8ZW White Zip-In Self-Piercing Screws—the smart, color-matched fastening solution built for gutters, trim coil, and sheet metal projects. This 6 x 3/8 inch screw combines a 1/4 inch slotted hex washer head with a zinc-plated finish, delivering durable performance and a clean, professional appearance on painted surfaces.

• Self-piercing, zip-in design for fast, precise installation on sheet metal without unnecessary pre-drilling effort (where suitable), helping you complete each job quicker with less wear on materials.
• 1/4 inch slotted hex washer head provides solid torque and a flush seat, compatible with standard drivers while helping seal against moisture at the washer face.
• White color finish designed to blend with common gutter and trim coil tones, with Malco Painted Sheet Metal Screws also offered in a broader color range to match your project palette.
• Zinc-plated for durability—resists corrosion in outdoor environments, helping maintain a clean look and long-lasting hold on exposed metal applications.
• 18000-count pack delivers high-value convenience for large projects, fleet jobs, or ongoing maintenance without frequent reordering.
• Ideal for gutters, trim coils, flashing, and other sheet metal tasks—a reliable fastener choice when you need secure fastening with a paint-friendly finish.

Why choose these screws? The color-matched, self-piercing design minimizes visible fasteners while speeding installation, reducing surface damage and chipping common with mismatched or traditional screws. The combination of a robust hex washer head, a precise 1/4 inch drive, and a durable zinc finish makes them a practical option for professional installers and DIY enthusiasts tackling gutter replacements, trim work, or metal siding upgrades. For projects requiring a coordinated look, these white Zip-In screws align with standard gutter and trim coil colors, helping you achieve a seamless, professional finish.