/ Saws / PTA & Hand Saw Blades / Hole Saw Arbors / Standard / KA4-N * Not actual product image 11555 KA4-N Hole Saw Arbor 11555 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. 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) Specifications Fits Hole Saw Diameter (mm): 14mm to 30mm Fits Hole Saw Diameter (in): 9/16" to 1-3/16" 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"