Drillpro 12pcs 15mm-50mm Hole Saw Cutter Alloy Drill Bit Set for Wood Metal Cutting

Description: 12pcs 15mm-50mm Hole Saw Cutters Kit Drill Bit Set Specification: Material hard alloy Diameter 15mm - 50mm (15,16,18,20,21,22,25,26,28,30,35,50) Shank Diameter 9.35mm Length 70mm Suitable thickness  2-5mm stainless steel plate, within 15mm metal plate Good for aluminum, steel, wood, plastic materials, gypsum board, stainless steel, etc.   Features: Split tip drill prevents damage by gradually guiding cutter to material, no walking. For fast and easy cutting of clean, round holes. When cutting Chilled materials, cutting edge should be filling cooling liquid. Chip removal, with excellent performance, sharp edge, wear-resistant. Can be clamped on hand drill and bench drill, can be used for thick steel plates, cast iron, stainless steel, non-standard angle iron and other metal open hole.   Package Included: 12 x Hol