TCT Annular Cutter / Hard Alloy Hollow Core Drill

Metrial: Hard Aolly Cutting Depth: 50mm Diameter: 12-100mm Shank: 19.05mm or 3/4" Weldon Shank Pack: 1 Piece. Free a pilot pin 1. Weldon shank , with more stable clamping for stable cutting and finish of holes 2. Additional one hole on the shank of cutters≤40mm , fit arbors with 19.05 bore as well as quick-change system 3. Selected special-purpose carbide tips with multi-cut geometry for ply-cutting and lower friction . Reduced damage of tip and improved performance of ships removal 4. Applicable to hole cutting and process of annular groove on various magneric drills and press , like Alfra , Hougen , Jancy , Euroboor , BDS , Ruko