/ Saws / PTA & Hand Saw Blades / Hole Saw Arbors / Standard / A2 * Not actual product image 55142 A2 Arbor w/ Pilot Drill 7/16'' hex shank Hole Saw Arbor 55142 Other similar products Hole Saw arbor supplied with 6.35mm (1/4") pilot drill. Shank size 11mm (7/16"). Screw thread 5/8"-18. Screw thread 5/8"-18. Features Specifications Downloads Contact Starrett Features Fits hole saws from 32-210mm (1.1./4 - 8.9/32") diameter Arbor suitable for use with SH, DH, CT and D hole saws (Diamond hole saw applications will usually require an arbor with a carbide tipped pilot drill) Quick hitch arbor, allowing instant change of hole saw without tools and without removing the arbor from the chuck. Specifications Fits Hole Saw Diameter (mm): 32mm - 210mm Fits Hole Saw Diameter (in): 1-1/4" to 8-9/32" Fits Chuck Size (mm): 9.5mm Fits Chuck Size (in): 3/8" Shank Size (mm): 11mm Shank Size (in): 7/16" Screw Thread: 1/2-20 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.