Simpson #7 2-1/4 in Self-Drilling Siding Screw 410 Stainless 100-Pack Countersink Bits the ECC74 is built to

the ECC74 is built to perform in demanding structural applications where dependable load transfer is essential

maximizing tool longevity

These rigid steel connectors are ideal for supporting load-bearing walls across a wide range of steel construction projects

making it suitable for wood construction projects requiring that specific column-to-beam connection

Simpson #7 2-1/4 in Self-Drilling Siding Screw 410 Stainless 100-Pack Countersink Bits the ECC74 is built toThe Simpson #7 2 1 4" Self Drilling Siding Screw in Type 410 Stainless Steel is engineered for reliable fastening of wood siding, wood panels, and metal trim to steel studs. Featuring a trim head profile, a #3 drill point for self starting penetration through metal, and a #1 square drive for secure bit engagement, this screw delivers consistent, professional grade performance in demanding construction applications. Supplied in a convenient 100 piece