COMPLETE 7-PIECE CORE SELECTION | 7件套核心规格组合: This versatile set includes the most commonly used hole cutter sizes, providing a comprehensive solution for various drilling tasks in home renovation and industrial maintenance.
本套7件组包含了最常用的核心开孔规格，为您在居家装修与工业维修中的各类钻孔任务提供全方位的解决方案。

HIGH-PERFORMANCE CUTTING TEETH | 高性能强化切削齿: Engineered with precision-sharpened teeth designed to penetrate materials quickly and cleanly. The optimized tooth geometry ensures even pressure distribution and reduces the risk of surface splintering.
采用精密磨制的强化切削齿设计，可快速、洁净地穿透材质。优化的齿形结构确保切削压力均匀分布，显著降低表面崩裂的风险。

DURABLE CARBON STEEL CONSTRUCTION | 高强度加厚高碳钢: Manufactured from premium heat-treated carbon steel for exceptional strength and durability, ensuring the cutters maintain their shape and sharpness through repeated use in wood and plastic.
采用优质热处理加厚高碳钢精制而成，具备卓越的强度与耐用性，确保在木材及塑料中频繁使用后仍能保持形状稳固与刃口锋利。

EFFICIENT CHIP REMOVAL SLOTS | 高效排屑与防堵塞设计: Features wide lateral slots that facilitate rapid debris extraction during high-speed boring, preventing heat buildup and ensuring a smoother, faster cutting experience.
设有宽大的侧边排屑槽，可有效加快作业过程中的碎屑排出，防止热量堆积并确保更顺滑、更快捷的切削体验。

UNIVERSAL ARBOR & PILOT DRILL | 通用连杆与中心定位钻: Includes a heavy-duty mandrel and a center pilot drill that ensures accurate hole placement, preventing the cutter from walking or skating on smooth surfaces for maximum precision.
配备重型加固连杆与中心定位钻头，确保开孔位置精准无误，有效防止开孔器在平滑表面产生打滑偏移，实现极高的施工精度。