100 Piece Hanger Bolt Assortment Concrete: M8 X 60 Galvanized Hex Screw Anchor Bolt Machinist Hanger Bolts HIGH TENSILE HEX BOLTS & NUTS M8 x 100MM - Hardware Uxcell M6x60mm Hanger Bolt Carbon Steel Zinc Plated 12 Pack M8 Hanger Bolt Hanger bolts are headless, double-ended suspended bolts, that have a tapered lag-screw type thread at one end, and a machine screw type thread at the other end. The lag screw threaded end is screwed into wood and the other end can accept a nut. So Hanger Bolts are mainly wood to metal fasteners, while Dowel Screws, which have screw-type threads on both ends, are for wood to wood... Hanger bolts, 100 pieces, M8 x 60, galvanised steel, with Torx and hexagon on the shaft