PRODUCT: 3/8" X 2-3/4" Long HWH (3/8" Head), Type AB Thread, Sharp Point, with Bond Seal Washer. 250/bag. Price/bag. (1-3 day leadtime; UPS shipment only)
3/8" diameter threads
Oversized bond-seal roofing screw with special threads ("Scrubolt").
Commonly used for repairing stripped out screws in two panels of overlapping roof metal or metal-panel to steel structure.
Carbon Steel, Galvanized
Self Tapping Type AB point
OPTIONS: Also available in lengths: 1-1/4 and 2-3/4", and in T-45 drive. See also #17 size in 3/4, 1 and 1-1/2"
similar terms: lap seam, lap screw, lap seam screw, lapscrew, seam screw, metal roofing screw