1/2"-13 X 3-1/2" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (100/Pkg.) Powers Material compatibility: Carbon steel base

Material compatibility: Carbon steel base material offers compatibility with common structural steel and concrete anchoring scenarios

they are specified as M6-1 x 50 mm

Combination drive

Thread size: 5-40 UNC

Upgrade your assemblies with these Phillips Flat Head Machine Screws

1/2"-13 X 3-1/2" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (100/Pkg.) Powers Material compatibility: Carbon steel baseOur machine screws are slotted, crafted from durable steel and finished with a zinc plating for superior corrosion resistance. Sized 1 2 13 x 3 1 2 inches, these fasteners deliver dependable performance in metal to metal assemblies and are ideal for a wide range of applications. Size: 1 2 13 x 3 1 2 in (UNC) Material: Steel Finish: Zinc plated Drive Type: Slotted Thread: Coarse (13 TPI) Applications include metal enclosures, machinery frames,