Products / Leland Master Tappers

Master Tappers are self-tapping high hex washer head screws for metal-to-metal roof and siding fastening, panel to panel and sheet to structural. Leland lists Type A, Type B and Type AB points, pancake heads for panel clips, #14 indented hex heads from 3/4 in. to 4 in., and case hardened steel, HT3 304 or high tensile stainless steel with JS600 or JS1000 coatings.