... Annular cutter1. HSS annular cutter, Weldon shank, with more stable clamping for stable cutting and finish of holes.2. Additional one hole ... cutters ≤Φ40mm, fit arbors with 19.05 bore as well as quick-change system.3. Applicable to hole cutting and process of annular ... , 50mm, 75mm and 100mm.6. Special multi-cut geometry with ply-cutting and lower friction to reach better performance of endurance and ...