/ Saws / PTA & Hand Saw Blades / Hole Saw Arbors / Standard / A4 * Not actual product image 55144 A4 Arbor w/ Pilot Drill 1/4'' hex shank Hole Saw Arbor 55144 Other similar products Hole Saw arbor supplied with 6.35mm (1/4") pilot drill. Shank size 6.5mm (1/4"). Screw thread 1/2"-20. Screw thread 1/2"-20. Features Specifications Downloads Contact Starrett Features Fits hole saws from 14-30mm (9/16-1.3/16") diameter Arbor suitable for use with Fast Cut (FCH), Carbide Tipped (CT) hole saws. 9/16" to 13/16" 14mm to 30mm Specifications Fits Hole Saw Diameter (mm): 14mm to 30mm Fits Hole Saw Diameter (in): 9/16" to 13/16" Fits Chuck Size (mm): 6.5mm Fits Chuck Size (in): 1/4" Shank Size (mm): 6.5mm Shank Size (in): 1/4" Screw Thread: 1/2-20 Drill (HSS): Yes Drill (Carbide Tipped): No Drill Length (mm): 79mm Drill Length (in): 3-1/8" Downloads Starrett Hole Saws (Bulletin 671) Starrett Hole Saw Brochure includes all hole saws, drive arbors, pilot drills, quick change systems sets and accessories