Simpson #7 x 1-5/8" 305 SS Deck-Drive DWP Wood Screw, T15, Trim Head Hammer Drill Bits The BP-3350NC produces up to

The BP-3350NC produces up to 33 tons of pressure

saving time and reducing the chance of surface damage when fastening into fiberglass boat hulls and wood-substitute materials

The HDIA25 is internally threaded to accept a 1/4-inch diameter threaded rod with a thread pitch of 20 threads per inch (TPI)

Designed exclusively for rough cut 4x6 lumber

along with (4) STN22 hex-head washers

Simpson #7 x 1-5/8" 305 SS Deck-Drive DWP Wood Screw, T15, Trim Head Hammer Drill Bits The BP-3350NC produces up toSimpson Deck Drive DWP Wood Screw in Type 305 Stainless Steel by Simpson is engineered for deck, dock, boardwalk, and general exterior wood fastening applications where reliable corrosion resistance is essential. The #7 x 1 5 8" trim head screw features a sharp point and unique box thread design that work together to deliver fast, clean penetration into today's most common decking and trim materials giving installers a dependable stainless fastener