TIMCO Self-Drilling Light Section A2 Stainless Steel Bi-Metal Screws - 5.5 x 25 Drywall Screw - Fine Thread - Zinc High resistance to corrosion and

High resistance to corrosion and ideal for outdoor applications

Exterior plating gives a reliable and durable corrosion resistant coating which resists over 1

For drilling large diameter holes in concrete

The lock can be opened from the inside without the use of a key providing quick and easy access

Manufactured from A2 Stainless Steel for use where ultimate corrosion resistance

TIMCO Self-Drilling Light Section A2 Stainless Steel Bi-Metal Screws - 5.5 x 25 Drywall Screw - Fine Thread - Zinc High resistance to corrosion andHex head self drilling screws, for joining roofing sheets to light section steel (Max. 5. 0mm) without the need to pre drill a hole.