/ 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 Hole Saws (Bulletin 671) Starrett Hole Saw Brochure includes all hole saws, drive arbors, pilot drills, quick change systems sets and accessories