Timco Self-Drilling Heavy Section A2 Stainless Steel Bi-Metal Screws - 5.5 x 38 (100 Box)
Timco Self-Drilling Heavy Section A2 Stainless Steel Bi-Metal Screws - 5.5 x 38 (100 Box)Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre-drill a hole.