Simpson Strong-Drive structural wood screws. High-strength alternative 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.
SawTooth point ensures fast starts, reduces installation torque and eliminates the need for predrilling
Bold thread design provides superior holding power
Underhead nibs offer greater control
Structural wood-to-wood and engineered wood connections