Self tapping type 17 pointTwin lead threads for fast drive timeHi-Lo threads for increased hold
Acorn Self-Tapping Screw, NO 9 Screw, 1-1/2 in Length, Hexagonal Head, High Low, Twin Lead Thread, Type 17 Point, 1/4 in Head, Steel, Grade C1022, Galvanized, For Metal to Wood Application
Brand: Acorn International, Model: SW-MW15G250, Color: Galvanized, Size: #9 x 1.5"