5Pcs Double End Solid Carbide Center Drills for Steel use, Combined Pilot Drill and 60° Countersink (1mm Dia x 4mm Shank, 100mm OAL)

5Pcs Double End Solid Carbide Center Drills for Steel use, Combined Pilot Drill and 60° Countersink (1mm Dia x 4mm Shank, 100mm OAL)

Industrial-Grade Solid Carbide for Unmatched Steel Performance – Engineered specifically for tough steels, these solid carbide drills outlast ordinary HSS by miles. They resist wear, handle extreme heat, and maintain razor-sharp accuracy through high-volume production runs, saving you time and tool-change costs. Perfect 60° Countersink & Precise Pilot in One Tool – Each double-end drill combines a pilot drill and a 60° countersink for flawlessly centered starting holes. Achieve perfect alignment for lathe turning, milling, and CNC work, ensuring your projects start right and finish with professional precision every time. 5-Piece Set with Extensive Size Range (0.4mm–6mm) – Tackle any job with confidence. This versatile set includes five double-end drills covering diameters from ultra-fine 0.4mm up to robust 6mm, with 50mm or 100mm lengths. The right size is always at hand for everything from delicate detail work to heavy-duty machining. Rigorous Coating for Enhanced Durability & Long Life – The premium coating on these carbide drills reduces friction and dramatically increases tool life. Experience smoother cuts, less chip welding, and sustained peak performance even when working with hard alloy and tool steels, giving you reliable results batch after batch. Double-Ended Design & Multiple Shank Sizes for Maximum Value – Each tool has two usable ends, effectively doubling your toolkit. With standard shank diameters (4mm, 6mm, 8mm, 10mm), they fit most CNC, lathe, and milling machine chucks securely, offering incredible versatility and outstanding value for both workshops and professional setups.

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