0.195 x 6 Simpson Strong-Drive® SDWH Timber-Hex Screw Double-Barrier Coated - Box (50) . Ideal for structural and general-purpose fastening applications where a hex-head drive is preferred.
The SDWH structural wood screws are ideal for the contractor and do-it-yourselfer alike.
Features:
Bold thread design that provides superior holding power
Patented 4CUT™ tip that ensures fast starts, reduces
installation torque and eliminates the need for pre-drilling
in most applications
Under-head nibs that offer greater control when
seating the head
Large washer head provides maximum bearing area
(0.64" head diameter)
Size identification on all SDWH screw heads
Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable
for certain exterior and preservative-treated wood applications, as described in the evaluation report.