Description
Brand Name: IRWIN | Material: High Speed Steel | Number in Package: 1 pc. | Overall Length: 6 in. | Packaging Type: Carded | Shank Diameter: 3/8 in. | Shank Type: Square Shank | Sub Brand: Unibit | Usage: Stainless Steel, Copper, Brass | Drill Size: 3/16 to 7/8 in. This quality Irwin 4 Unibit Self Starting Stairste | 3/16-7/8 in. step drill | Step drill that produces true, round holes | Non skid tip means no need for center punches | 3 flattened shanks prevent drill chuck slipping | New SpeedPoint tip penetrates faster than previous Unibits and prevents walking | Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates | 3/16 in., 1/4 in., 5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 11/16 in., 3/4 in., 13/16 in. and 7/8 in. | #4
