Wood screw: be also and machine screw similar, but the screw thread for special wood screw with rib, can be directly screwing in wood components (or parts).
Wood screw different with tapping screw, self tapping screw high hardness, thread spacing wide, thread deep, surface smooth, wood screw, by contrast, another difference more apparent, wood screw posterior segment no thread. Wood screw thread fine, pointed blunt and soft. Self tapping screw thread is coarse, sharp and hard.
Usually used in furniture and timber primarily screw,
Wood screw specifications
Slot round head wood screw,slot flat head wood screw.slot oval head wood screw,hex head wood screw,