Premium HSS Indexable Counter Bore – 4-in-1 Hole-Making Solution
Crafted from high-speed steel (HSS) for superior durability and heat resistance, this counter bore ensures extended tool life even under heavy-duty machining. The innovative 4-in-1 design combines drilling, countersinking, chamfering, and deburring in a single operation, drastically reducing tool changes and boosting efficiency. Precision-ground cutting edges deliver smooth, burr-free finishes on materials like steel, aluminum, and cast iron. Ideal for industrial milling, automotive part fabrication, and metalworking shops requiring high accuracy. Optimized for bulk procurement with globally competitive pricing—maximize productivity while minimizing costs. Stock up for seamless large-scale production.