Master Driller Metal Purlin Screw

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50 units

Master Driller #14 Self-Drilling Screw.  The Master Driller is a 1/4-14 x 1-1/2" snow guard screw with a #3 point.  These precision cold forged screws assure superior point strength for the fastest drill time performance through steel or nested purlins.  Features a 3/8" AF Hex Washer Head.  The Master Driller comes with a corrosive resistant coating to with stand all the elements.  Comes with a tight sealing weather proof washer.  When screwing down snow guards the use of Novaflex MR-150 is required.