/ Saws / PTA & Hand Saw Blades / Hole Saw Arbors / Standard / A1 * Not actual product image 55141 A1 Arbor w/ Pilot Drill 11/32'' hex shank Hole Saw Arbor 55141 Other similar products Hole Saw arbor supplied with 6.35mm (1/4") pilot drill. Shank size 8.75mm (11/32"). Screw thread 1/2"-20. Screw thread 1/2"-20. Features Specifications Contact Starrett Features Fits hole saws from 14-30mm (9/16-1.3/16") 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) 14mm to 30mm 9/16" to 13/16" Specifications Fits Hole Saw Diameter (mm): 14mm to 30mm Fits Hole Saw Diameter (in): 9/16" to 13/16" Fits Chuck Size (mm): 9.5mm Fits Chuck Size (in): 3/8" Shank Size (mm): 8.75mm Shank Size (in): 11/32" Screw Thread: 1/2-20 Drill (HSS): Yes Drill (Carbide Tipped): No Drill Length (mm): 79mm Drill Length (in): 3-1/8"