[100 PKG] Sheet Metal Screws Flat Head Spanner 18/8 Stainless Steel Undercut 4 X 1/4

Sheet Metal Screws Flat Head Spanner in 18/8 stainless steel with an undercut design offers reliable, corrosion-resistant fastening for metal-to-metal and metal-to-plastic assemblies. Sized 4 x 1/4, these flat head screws provide a flush, professional finish for sheet metal projects.

Constructed from 18/8 stainless steel (304), they deliver excellent rust resistance and durability in both indoor and outdoor environments. The undercut head and flat countersunk profile ensure a clean, low-profile appearance once installed.

• Flat head with spanner drive: designed for a neat, flush installation and easy driving with a spanner or compatible wrench.
• Undercut head design: improves seating and reduces head height for a smooth, finished look while enhancing grip under load.
• Self-tapping sheet metal screw: taps its own thread into compatible metal substrates for fast, secure fastening (pre-drilling may be required for harder metals).
• Superior corrosion resistance: 18/8 stainless steel resists rust, corrosion, and staining in diverse environments.
• Versatile applications: ideal for appliance assembly, HVAC ductwork, automotive panels, metal enclosures, and general sheet metal projects.
• Size 4 x 1/4: precise dimensions for your project, ensuring a proper fit with compatible threads.

For best results, use a compatible driver and follow standard fastening practices. This screw delivers a secure, long-lasting hold with a clean, professional finish.