Goodhd Annular Cutter HSS Metal Core Drill Bit Hollow Drill Bit Hole Opener 12-42mm

Features: *Durable Construction - Made of high speed steel for durability & life. *Fast Efficient & Smooth Cutting - Precision ground teeth decrease vibration cut fast and cut clean. *Designed For Optimal Quick Chip Ejection - Optimized flute geometry allows chip expulsion from the hole when drilling. *Compatible Fit- Shank compatible with magnetic drill presses equipped with 3/4 in. shank. *Deep Cuts - Can be used to drill holes up to 1.37in. (35mm) deep. Specifications: Product Name: Annular Cutter Material: HSS Color: Silver Optional Size: 12×30mm 16×30mm 19×30mm 20×30mm 23×30mm 25×30mm 30×30mm 42×30mm Hight: (Approx. ) 64mm Suitable for: Drilling holes Quantity: 1Pc Package Contents: 1 x Annular Cutter Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.