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Pratt & Whitney Jig Borer Model:1E S/N: 25206 Table Working Surface 12 x 42 in. Table Travel, Longitudinal 36 in. Table Travel, Transverse 12 in. Table Top to Spindle End, Max. 20 in. Table Top to Spindle End, Min. 4 in. Spindle Speed Range, RPM 65 to 2800 Feed Range, Per Spindle Revolution .0006 to .006 in. Precision Preloaded Ball Roll Quill The hardened, ground and lapped spindle quill roll-feeds in a precision, preloaded ball roll mounting. Unlike ordinary plain bearing types, original high accuracy and rigidity are retained indefinitely without adjustment or maintenance. A greater variety of shapes and larger work sizes can be machined on jig borers of this type than on any other. Operator has a clear, unobstructed view of the work at all times. * All items are subject to prior sale. All items are sold "AS - IS, Where - IS" and with all faults. Items are described to the best of our knowledge, however, We (Mikekandu and/or the Seller) make no guarantees regarding accuracy, errors or omissions in item descriptions and make no warranty, express or implied as to the nature, quality, value or condition of any item. We expressly disclaim any warranty of merchantability or fitness for a particular purpose of any item. For more information read our Frequently Asked Questions page. |