Hole Opener Drill Bit Woodworking Punching Metal Multi-Function Universal Drilling Artifact Plastic Reaming Opening Downlight Round

Product information: Product Name: M42 Bimetal Hole Opener Material: M42 high speed steel Application: suitable for processing all kinds of wooden board, acrylic, aluminum gusset, iron sheet, gypsum board Drilling operations for materials such as range Features: high hardness, wear resistance, accurate positioning, good chip removal, high efficiency Packing list:  hole opener x1