Description: 5 piece Drill Bit Hole Saw set for metal alloy. Made of high quality high speed steel. Use for Stainless steel plate, steel, casting, Aluminum Alloy, iron and other kinds of metal plate drilling. Excellent performance, sharp edge, wear-resistant. Open hole diameter: 16mm, 18mm, 20mm, 25mm, 30mm ; Universal triangulation handle Package Includes: 5 Pieces High Speed Steel Drill Bit Hole Saw Set 5 Pieces Spring 5 Pieces Hex Wrench
