Specification Brand : ZJchao BulletPoint1 : [Versatile Applications] Across cast iron, stainless steel, aluminium, copper, and more to meet diverse work needs. BulletPoint2 : [Efficient Installation] Due to lightweight and compact design, allowing quick setup within minutes. BulletPoint3 : [Enhanced Cutting Performance] Thanks to thin wall design and double tooth structure of the mag drill bit. BulletPoint4 : [Able to Create Deep 50mm Annular Holes] On various metals with clean cut edges, for further processing. BulletPoint5 : [Premium Durability] With 40cr and cemented carbide materials that can withstand high temperatures for long-lasting use. ItemName : Mag Drill Bit, Annular Cutter 50mm Cutting Depth Drilling Tool Mag Hole Cutter for Aluminium Copper (32mm) ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : annular-cutters Manufacturer : ZJchao Material : 40CR, Carbide ModelNumber : ZJchaogbtk8c1wsv-12 NumberOfFlutes : 3 NumberOfItems : 1 PartNumber : ZJchaogbtk8c1wsv-12 ProductDescription : [Versatile Applications] Across cast iron, stainless steel, aluminium, copper, and more to meet diverse work needs. [Efficient Installation] Due to lightweight and compact design, allowing quick setup within minutes. [Enhanced Cutting Performance] Thanks to thin wall design and double tooth structure of the mag drill bit. [Able to Create Deep 50mm Annular Holes] On various metals with clean cut edges, for further processing. [Premium Durability] With 40cr and cemented carbide materials that can withstand high temperatures for long-lasting use.