The Jacobs BT 40 ER 40 tool holder has 120-mm projection and is prebalanced to 18,000 RPM at G2.5. The Jacobs BT 40 ER 40 tool holder is used for milling, drilling and reaming and is suitable for CNC machines and machining centers with automatic tool changers. This Jacobs BT 40 ER 40 tool holder features highly precise, accurate concentricity with T.I.R <= .0004-Inch at 4x D from the nose. The rigidity of the Jacobs BT 40 ER 40 tool holder is ensured by high alloy steel properly hardened and heat treated for greater durability and longer life. The Jacobs BT 40 ER 40 tool holder is laboratory certified and like all Jacobs chuck's products includes a one year factory warranty
 

AllJacobs Chuck Tool Holders are new and factory sealed.  Each tool ships in the reusable protective tool holder capsule for storing when not in use.

 

Accessories and Tightening Wrench not included, unless otherwise stated. Can Be Purchased