/ 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 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.