Precise ER Coolant Thru Straight Shank Extension Tool Holders

• For coolant up to 1500PSI
• Concentricity is less than .0002 inches 
• All critical tool holder surfaces precision ground
• Made from alloy steel hardened to 54 - 56rc
• Nickel plated ER collet nut will extending the tooling life
• Precision ground threads to ensure a tight fit when tightening the ER collet into the holder socket
• Coolant through capability with internal set screw included

For  Precise ER Straight Shank Extension Tool Holders Click Here

For Precise ER Mini-Nut Shank Extension Tool Holders Click Here

For Precise CNC Lathe Coolant Thru Straight Shank Ext. Tool Holders Click Here