Products / Leland Master Drillers

Master Drillers are self-drilling screws for fastening metal panels to metal girts and purlins, stitching roof, wall, decking and fascia panels, and structural attachment. Leland lists nine head styles, #6 to #18 diameters, lengths from 3/8 in. to 8 in. and drilling capacities to 0.500 in., in case hardened steel or 410 case hardened stainless steel, with Master Seal washers of galvanized steel, aluminum or stainless steel vulcanized to EPDM. Pilot-point high hex washer heads are offered to prevent jacking through multiple sheets.