Hex Shank Mandrel Bi-metal Hole Saw Arbor

Small  Arbor: 3/8" Hex Shank and  1/2"-20 UNF Thread  for Dia. 14mm to 30mm Hole Saw

Large Arbor: 7/16" Hex Shank and  5/8"-18 UNF Thread for Dia. 32mm to 210mm Hole Saw

1. Made from hardened carbon steel and alloy steel for greater durability;
2. Fits all drill chucks  3/8 in. and larger;
3. Hex shank allows higher torque applications and less slippage from your drill;
4. Supplied with a HSS pilot bit for wood and metal use;

5. Eliminates wobble between the arbor and hole saw.