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Brown Aviation Tool Supply, LLC 2536 SE 15th Street Oklahoma City, OK 73129 Toll Free 800-587-3883 (US & Canada) Local 405-688-6888
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- Three Flute - 1/4-28 Threads - High Speed Steel - #20(.161) Piloted Countersink - 3/8" Diameter - 100º Order Part # CC020-B