Simpson Strong-Drive structural wood screws

High-strength to through-bolting and traditional lag screws

Bold thread design provides superior holding power

Patented 4CUT tip to ensure fast start and reduced installation torque, eliminating pre-drilling in most applications

Large head provides maximum bearing area

Double-barrier coating makes screw suitable for exterior and preservative-treated wood applications

Bit included in package

Screw diameter: 0

195" with large hex head drive