Simpson SDWC Truss Screw 0.155 x 4-1/2 in T30 6-Lobe E-Coat Black Structural Wood Screw 500-Pk Auto-Set Driver Bit Diameter 4-3/8" (111mm)

Diameter 4-3/8" (111mm)

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The T20 6-Lobe drive system reduces cam-out and stripped heads compared to standard Phillips drives

Simpson SDWC Truss Screw 0.155 x 4-1/2 in T30 6-Lobe E-Coat Black Structural Wood Screw 500-Pk Auto-Set Driver Bit Diameter 4-3/8" (111mm)The Simpson Strong Drive SDWC TRUSS Structural Screw (Model SDWC15450B KT) is a high strength structural wood screw engineered specifically for fastening trusses and rafters to wall top plates delivering a time saving, reliable alternative to traditional fastening methods. Measuring 0. 155 in. in shank diameter x 4 1 2 in. in length, this screw features a fully threaded shank that engages the entire length of the fastener, creating a secure,