Famag Adjustable Carbide Tipped Countersink

This professional-grade, carbide-tipped adjustable countersink features a two-part split design with a 90° cutting angle. It clamps directly onto standard drill bits ranging from 3–8 mm (approx. 1/8"–5/16") in diameter, including intermediate sizes like 5.5 mm (~7/32"), allowing you to drill and countersink in a single operation. An Allen key is included for easy adjustment.

To install, push the countersink onto the drill bit from behind, ensuring the cutting edge is in front. Once attached, it delivers the following drill bit and countersink size combinations:

Ø3 mm (1/8") drill = Ø12 mm (0.47") countersink
Ø4 mm (5/32") = Ø12.5 mm (0.49")
Ø5 mm (3/16") = Ø13.5 mm (0.53")
Ø6 mm (15/64") = Ø14.5 mm (0.57")
Ø7 mm (9/32") = Ø16 mm (0.63")
Ø8 mm (5/16") = Ø17.5 mm (0.69")

Ideal for solid wood, laminated panels, and a wide variety of plastics including acrylic glass, Corian®, GFRP, HPL, polycarbonate, PVC, and Trespa® board. This tool delivers precise, clean results in one efficient step.



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⚠️WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov