Specification Brand : AES Industries BulletPoint1 : 1/2" Diameter Spot Weld Cutter BulletPoint2 : Cutting head made from C-2 Carbide Steel BulletPoint3 : Quickly removes spot welds holding sheet metal BulletPoint4 : Can also cut small access holes in sheet metal BulletPoint5 : 1/4" Shank - Maximum RPM 22,000 ItemName : Carbide Steel Spot Weld Cutter - 1/2" Diameter Cutting Head (Made in USA) ItemPackageQuantity : 1 ItemTypeKeyword : spot-welding-equipment Manufacturer : AES Industries ModelNumber : 37812 PartNumber : 37812 ProductDescription : American made carbide spot weld cutter. 3/8" cutting head. For use of drilling out spot welds on vehicles for repair. 1/4" Shank - Maximum RPM 22,000