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Get it between 2025-08-12 to 2025-08-19. Additional 3 business days for provincial shipping.
Size: Our 4 Pcs quad-edge countersink drill bit set features M2 HSS tapered guide bits in sizes 2.8mm, 3.2mm, 3.5mm, 4mm, counter-bore sleeves of 8mm, 10mm (2.8*8mm, 3.2*8mm, 3.5*10mm, 4*10mm).
Unique Four-Blade Design: This set of countersink drills adopts a unique four edge design, which not only makes the drilling process more efficient and faster, but also shares the cutting load equally on each edge, resulting in smoother and finer edges of the drilled holes.
1/4″ Hex Shank: Designed with a standard 1/4″ hex shank, our quad-edge countersink drill set ensures a solid connection with a variety of drills, providing reliable grip and compatibility, allowing you to operate with greater ease.
Depth Adjustable: Drilling and countersinking depths are adjustable with hexagonal threaded screws and depth control stops, providing maximum versatility for a variety of applications.
Wide Application: Our countersink drills are widely applicable to natural wood, man-made boards, MDF, particle boards, plywood, aluminum, non-ferrous materials, decorative materials and so on.