A3 A3-6 A3-5 A3-7 A3-8 A014M Arbors and Accessories Ulti-Ma te Rapid Release Arbor System SUPER FASTTOOL FREE CHANGES BETWEEN DIFFERENT DIAMETERSANDTYPES OF HOLE SAWAND EASIER CORE EJECTION! Ulti-Mate from Starrett offers super fast, tool free changes between different diameters and types of hole saw, without adjustment of the drill chuck. Removal of cores from a hole saw after a cut is also much improved by the rapid release of the hole saw from the arbor. Cat. No. EDP Description A3 20974 ULTI-MATE hole saw arbor with pilot drill A3-6 20987 ULTI-MATE hole saw arbor with pilot drill and one of each of the standard hole saw adapters A3-3 20977 Three ULTI-MATE hole saw adapters, suitable for hole saws from 9/16" - 1-3/16" (14-30mm) A3-4 20978 Three ULTI-MATE hole saw adapters, suitable for hole saws from 1-1/4" - 4" (32-102mm) A3-5 20979 ULTI-MATE hole saw adapter, suitable for heavy duty cutting on large diameter saws (4"/102mm and greater) A3-7 20988 ULTI-MATE hole saw arbor with pilot drill, 25/32" (20mm) and 1" (25mm) Fast Cut Hole Saws and hole saw adapters A3-8 20989 ULTI-MATE hole saw arbor with pilot drill, 25/32" (20mm) and 1" (25mm) Deep Cut Hole Saws and hole saw adapters ULTI-MATE ULTI-MATE A3-3 A3-3 A3-3 A3-3 A3-3 A3-4 22 H ole S aws New!