คุณลักษณะ

• The outer serrated protrusion cuts into the wood, so it is hard to return, and there is no need to worry about loosening.
• Tapered driving guide is attached to the tip for easy insertion work.
• Material is zinc alloy die cast with trivalent chromate plating (light blue color).
• Embedded nut for woodworking.
• It is used when the strength of the mating material or member to be fastened is low and the wood screw does not provide sufficient tightening strength.
• Tightening strength that can be used with bolts can be obtained just by driving into the bottom hole, and can be used repeatedly.