Wing Tip Self-Drilling Screw, U Beam
Screw for wood, chipboard, panels, and plywood against steel U-beams, max. 2 mm. Made of tempered steel C-1022. With drill tip and threads suitable for anchoring in steel. Drill tip with wings that mill holes into the wood. The wings break off when the drill tip engages the steel. The screw countersinks with ribs under the head. T15.