12pc alloy hole saw set for stainless steel drilling with carbide tip core drill bits in sizes 15-50mm.

This set includes 12 alloy hole saws with carbide tips, ranging from 15mm to 50mm in size. Ideal for stainless steel and other metal drilling projects, this kit also comes with a crown drill bit.

Product introduction Alloy Hole Saws Drill Bit Kits for Metal Steel Material: Made of tungsten carbide alloy, with high hardness, rust proof and sturdy, sharp gears, labor saving and long using life Excellent design: Alloy hole saw designed with multi-tooth gear, built a center alloy drill bits, easy to precise positioning, and ensure hole saw firmly fixed during working. Also, come with a spring on the center drill bit, avoid stucking, more smoothlySize: 15mm, 16mm, 18mm, 20mm, 21mm, 22mm, 25mm, 26mm, 28mm, 30mm, 35mm, 50mmWidely application: These Alloy Hole saw steel bit can install on electric hand drill, bench drill, machine drill and work on stainless steel, iron plate, aluminum plate, casting, (less than 3MM(3/25”)) etc