The difference between wood screws and self-tapping screws

The self-tapping screws have high hardness, wide thread pitch, deep thread, and the surface is not smooth. The wood screws are reversed, and the Other difference is more obvious. The rear section of the wood screws has no thread. Wood screws are fine, blunt and soft. Self-tapping screws are thick, sharp and hard.

Coffee Rod Set

Bathroom Curtain Rail,Bathroom Curtain Hardware,White Curtain Finial

Chengfeng Hardware Co., Ltd. ,