/ Saws / PTA & Hand Saw Blades / Hole Saw Arbors / Arbor Adaptor / A12 There is a newer version of this product available KA12-N Hole Saw Arbor * Not actual product image 63260 A12 Hole Saw Arbor 63260 Other similar products Hole Saw arbor adapter fits arbors with a 1/2"-20 screw thread, allowing use of saws up to 152mm (6") diameter. Features Specifications Downloads Contact Starrett Features Adapter screws on to arbors with a 1/2"-20 screw thread and allows use of hole saws up to 152mm (6") Specifications Fits Arbors: A1, A4, A1-1, XA1 & XA4 Downloads Starrett Saws and Hand Tools (Catalogue 71E) This 84 Page includes complete product information on Saws and Hand Tools, including Hole Saws and Accessories, Jigsaw and Reciprocating Saw Blades, Hack Saws, Tape Measures, Laser Distance Meters, Levels and Utility Bags for tool storage. Starrett Hole Saws Catalog (Bulletin 671) 32 page brochure featuring hole saws, arbors and pilot drills.