
Simpson Strong-Tie Strong-Drive SDWH SDWH19400DB-R12 Timber Screw, 4 in L, Large Hex Washer Head, 5/16 in Drive

Product specification
Simpson Strong-Tie
707392010463
SDWH19400DB-R12
For structural wood-to-wood and engineered wood connections including ledgers
Bold thread design that provides excellent holding power
SawTooth point 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 (0.65 in head Dia)
Size identification on all SDWH screw heads
Double-barrier coating provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in most non-marine environments
FASTENERS
FASTENERS
NUTS, BOLTS, SCREWS
CONSTRUCTION SCREWS - PACKAGED
SCREWS
Structural Wood Screws
2.0
3.63
6.0
0.784
