Strong-Drive® SDW screw is a 0.22" diameter, high-strength
structural wood screw specifically designed for fastening
multi-ply wood members such as plated trusses, engineered-lumber
products and solid-sawn lumber. The SDW installs easily with no
pre-drilling and is available in optimized lengths for fastening
2, 3 and 4-ply trusses or 1 3/4" engineered lumber such as
structural composite lumber (SCL). The SDW enables single-side
fastening, while still allowing concurrent loading on both sides
of the assembly to the full allowable head or tip-side load of
the fastener. fastener.
A high-strength structural wood screw designed with
a shorter thread length to fasten multi-ply members such
as plated trusses, engineered-lumber products and
Large washer head provides maximum bearing area;
stamped with the Simpson Strong-Tie "≠" sign and
fastener length for easy identification after
Deep 6-lobe recess reduces cam-out, making driving
Low-profile head results in less interference after
installation; makes stacking and sliding members easier
and allows installation of hardware and finishes to be
Optimal screw lengths provide maximum penetration
while preventing the point from protruding out the back
of the member.
Ability to penetrate multi-ply trusses from only one
side eliminates the need for flip trusses.
Higher shear values than competitive products enable
wider spacing saving time and money.
Bold thread design provides superior holding power
and cinches fastened members together for consistent
Patented 4CUT™ point ensures fast starts, reduced
installation torque and eliminates the need for
pre-drilling in most applications.
Under-head nibs provide greater control when seating
E-coat™ coating is suitable for interior