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Phone: 800-383-2244, 805-584-9495   Fax: 805-584-9629 Helical Boring Bars Click Here to open the tech drawing in a new window.  = Available For Shipment  = Call For Stock 1/8" SHANK DIAMETER, 1-1/2" OVERALL LENGTH ORDER NUMBER COATED ORDER NUMBER 'A' MIN BORE 'B' MAX DEPTH HB020062 HB020062A .020 .062 HB025062 HB025062A .025 .062 HB025125 HB025125A .025 .125 HB030125 HB030125A .030 .125 HB030187 HB030187A .030 .187 HB035125 HB035125A .035 .125 HB035187 HB035187A .035 .187 HB040187 HB040187A .040 .187 HB040250 HB040250A .040 .250 HB050312 HB050312A .050 .312 HB060375 HB060375A .060 .375 HB070437 HB070437A .070 .437 HB080500 HB080500A .080 .500 HB090500 HB090500A .090 .500 HB100562 HB100562A .100 .562 HB120625 HB120625A .120 .625 HB1201000 HB1201000A .120 1.000 3/16" SHANK DIAMETER, 2" OVERALL LENGTH ORDER NUMBER COATED ORDER NUMBER 'A' MIN BORE 'B' MAX DEPTH HB135750 HB135750A .135 .750 HB1351000 HB1351000A .135 1.000 HB1501000 HB1501000A .150 1.000 HB1501250 HB1501250A .150 1.250 HB1801000 HB1801000A .180 1.000 HB1801250 HB1801250A .180 1.250 HB1801500 HB1801500A .180 1.500 1/4" SHANK DIAMETER, 2 1/2" OVERALL LENGTH ORDER NUMBER COATED ORDER NUMBER 'A' MIN BORE 'B' MAX DEPTH HB2101000 HB2101000A .210 1.000 HB2101250 HB2101250A .210 1.250 HB2101500 HB2101500A .210 1.500 HB2401000 HB2401000A .240 1.000 HB2401500 HB2401500A .240 1.500 HB2401750 HB2401750A .240 1.750 5/16" SHANK DIAMETER, 2 1/2" OVERALL LENGTH ORDER NUMBER COATED ORDER NUMBER 'A' MIN BORE 'B' MAX DEPTH HB3001000 HB3001000A .300 1.000 HB3001500 HB3001500A .300 1.500 HB3001750 HB3001750A .300 1.750 3/8" SHANK DIAMETER, 2 1/2" OVERALL LENGTH ORDER NUMBER COATED ORDER NUMBER 'A' MIN BORE 'B' MAX DEPTH HB3601000 HB3601000A .360 1.000 HB3601500 HB3601500A .360 1.500 HB3601750 HB3601750A .360 1.750 3/8" SHANK DIAMETER, 4" OVERALL LENGTH ORDER NUMBER COATED ORDER NUMBER 'A' MIN BORE 'B' MAX DEPTH HB3602000 HB3602000A .360 2.000 HB3602250 HB3602250A .360 2.250 HB3602500 HB3602500A .360 2.500 1/2" SHANK DIAMETER, 3" OVERALL LENGTH ORDER NUMBER COATED ORDER NUMBER 'A' MIN BORE 'B' MAX DEPTH HB4801500 HB4801500A .480 1.500 HB4802000 HB4802000A .480 2.000 1/2" SHANK DIAMETER, 4" OVERALL LENGTH ORDER NUMBER COATED ORDER NUMBER 'A' MIN BORE 'B' MAX DEPTH HB4802500 HB4802500A .480 2.500 HB4803000 HB4803000A .480 3.000 1/2" SHANK DIAMETER, 6" OVERALL LENGTH ORDER NUMBER COATED ORDER NUMBER 'A' MIN BORE 'B' MAX DEPTH HB4803500 HB4803500A .480 3.500 HB4804000 HB4804000A .480 4.000 HB4804500 HB4804500A .480 4.500 ALL TOOLS ARE MADE FROM HIGHLY COMPRESSED SUB-MICRON CARBIDE. Copyright © 2002, Scientific Cutting Tools, Inc. Designed & Maintained by Daniel Milner