Barsys offers a comprehensive range of selected categories for fasteners, tools, and hardware, including various types of nuts, screws, dowels, washers, clamps, raw materials, Teflon, tools, threaded rods, bearings, rivets, spacers, anchors, pins, hardware, piping accessories, and sprays. Specifically, the categories are: Nuts (62 types), Connection Nut (5), Dome Nut (5), Cage Nut (1), Wing Nut (4), Crown Nut (3), Square Nut (3), Hex Nut (13), Tension Nut (8), Lock Nut – Nyloc/Flange (9), Rivet Nut (2), Eye Nut – Lifting Nut (6), Welding Nut (3). Screws (152 types): SEMS Screws (4), Allen Screws (26), Shoulder Allen Screw (1), Headless Allen Screw (4), Headed Allen Screw (6), Button Head Allen Screw (3), Flat Head Allen Screw (5), Drywall, Lens and Cement Screws (13), Machine Screws (21), Latch and Patent Screws (7), Wood, Deck, Chipboard Screws (18), Sheet Metal and MSD Screws (34), Sheet Metal-Sheet Metal Screws (11), Plastic Screws (9), PEEK Screws (4), Transparent Polycarbonate Plastic Screws (4), Hex Head Screws (11), Screws for Thermo Plastic PT and Fan (5). Other categories: Dowels (19), Washers (28), Clamps (7), Raw Materials (6), Teflon (8), Tools (85), Threaded Rods (17), Bearings and Conveyance (13), Rivets (9), Spacers (21), Anchors (31), Pins, Retaining Rings and Pliers (17), Hardware (15), Piping – Accessories (9), and Sprays (20).