Shaviv F12 HSS Countersink for Holes up to .47" Part #29049 

For hole edges up to 0.5" (12mm) diameter
Great for Hole Edge Applications
Good for use on Steel, Aluminum, Copper, Brass, Cast Iron, Stainless Steel, and Plastics

SHAVIV by Vargus is the original hand deburring tool in the market since the 1960's and is today distributed all over the world. SHAVIV is the answer to unwanted burrs on a wide variety of materials such as metal, plastics, wood and more. Wherever the burr, SHAVIV has the tool in its extensive range to solve your problem. 

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