Back Home / Cutting Tools / Reamers / REAMER 3/8″, 3 FLATS, 3/8″ SHANK REAMER 3/8″, 3 FLATS, 3/8″ SHANK SKU: XTR72280 Categories: Cutting Tools, Reamers Alignment reamer. Made of high speed steel. Black and bronze oxide finish. Three flats on shank to prevent slippage in a 3-jaw chuck. 3/8″ diameter. 3/8″ shank. 3″ flute length. 5″ overall length. Case Quantity: 1 Log In For Pricing