Hillman 47701 Sheeter Screw, #10 Thread, 1 in L, Washer Head, Hex Drive, Self-Piercing Point, Neoprene/Steel, 135 PK

Self-piercing sheeters are engineered to fasten thin pieces of metal to wood, fiberglass or metal primarily through a pre-drilled or own generated hole in light gauge metal. Perfect for roofing construction, the featured neoprene washer provides a watertight seal and prevents corrosion between surfaces. These screws have a ceramic finish that exceeds the 1000 hr salt spray test and is recommended for use for treated lumber.

Features:

• Self-piercing screws penetrate metal and tap their own mating threads
• Steel backed neoprene washer for water proofing
• Gray hue to match metal sheeting
• Ceramic coat provides superior rust and corrosion protection
• No need to pre-drill a hole in thin metal