... plated with or without hardend wood screw with all kinds of head and sizescoach screws,fasterner,screws, Hexagon Head Lag Screws 1.finish:nickel ... without hardend3. head type: CSK(FLAT) SLOTTED HEAD OVAL SLOTTED HEAD CHEESE SLOTTED PAN SLOTTED HEAD PAN PHILIP HEAD ROUND HEAD POZI HEAD TRUSS HEAD HEX HEAD4.Packing:bulk ... M10,M12,M14,M16,M18,M20,M22,M24,M27,M30 wood screw with all kinds of head and sizes