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Commonly used for RTA (ready to assemble) furniture fittings. Specially-treated high speed steel countersink with polished slow-spiral drill bit. Will perform 3 tasks in one: pilot hole, clearance hole, and countersink. For connecting screws (Confirmat, Directa, etc.). The shankless countersink is heat treated.

*B can be adjusted up to 30mm

Replacement parts: 5x7mm stepped drill #55107; Hex key #5009

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Item #


Diameter - D1

Diameter - D2

B (Cutting Height)




Overall Length



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55650 N/A 10 mm N/A 5 mm N/A 7 mm N/A up to 30mm N/A 25mm N/A 7 mm N/A 30 mm N/A 106 mm N/A Amana Tool Industrial $28.83 Add To Cart
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