These T25 drive #10 deck screws swiftly penetrate decking with a Type-17 auger point including coarse threading which pulls boards tightly together. The double countersink flat bugle head has 6 nibs; utilizes a 6 lobe star drive to reduce cam-out and increase torque; and comes as a chipboard thread screw with partial thread and triple spline (one at the beginning on the thread and two at the end of point).
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