
Tank Gun Barrel Inner Hole Coarse Slotting Corn Milling Cutter Deep Hole Efficient Milling Cutter. Specialized Deep Hole Machining: Designed for rough machining, repair, and remanufacturing of large caliber tank gun barrel deep holes. High Efficiency Design: Large spiral angle corn cob structure with high-density teeth improves feed rate and metal removal. Internal Cooling System: Internal cooling channel allows high-pressure coolant to reach cutting area, reducing heat and chip buildup. Customizable Dimensions: Non-standard outer diameters, tooth numbers, helix angles, and blade groove types available for different calibers. Versatile Application: Suitable for tank gun barrels, self-propelled gun barrels, and other heavy-duty barrel bodies. 12 Months Warranty: Comprehensive 12-month warranty coverage for all mechanical defects. OEM and ODM Services: Full customization, minor customization, and customization from samples or designs available. Flexible Lead Time: One month lead time in off-season; 1-3 months during peak season.