Kreg DECKSPACER-RED Deck Jig Spacer Rings 1/4-Inch, Red, 12 Pack

Simpson SDWS Exterior Double Barrier Structural Wood Screws are designed with a shorter thread length to fasten multi-ply members such as trusses, engineered lumber products and solid-sawn lumber. Large washer head provides maximum bearing area and deep 6-lobe recess reduces cam-out. Requires type T-40 bit. Optimal screw lengths provide maximum penetration while preventing the point from protruding out the back member.

SawTooth point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
Bold thread design provides superior holding power
Underhead nibs allow for head to drive flush to surface with reduced splintering
Large low-profile washer head provides maximum bearing area (0.760-in. head dia.)
Size identification on all SDWS screw heads
SawTooth point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
Bold thread design provides superior holding power
Underhead nibs allow for head to drive flush to surface with reduced splintering
Large low-profile washer head provides maximum bearing area (0.760-in. head dia.)
Size identification on all SDWS screw heads

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Simpson Strong-Tie SDWS22400DB-R50 Strong-Drive SDWS Timber Screws (Exterior Grade), 0.220 Inch x 4 Inch, Double-Barrier Coated, Washer Head, Sawtooth Point, Tan (Pack of 50);