From the Manufacturer
This Jacobs BT 40 end mill tool holder is designed to hold up to a 12-mm shank cutting tool. It has 150-mm projection and is prebalanced to 18,000 RPM at G2.5. The Jacobs BT 40 end mill tool holder is used for heavy duty cutting and general milling. The Jacobs BT 40 end mill tool holder is able to provide more accurate, rigid tool holder-to-spindle mount tapers. The taper is grounded to AT3. Easy changes and set-ups makes the Jacobs BT 40 end mill tool holder a low maintenance product. The Through spindle coolant is standard for all Jacobs end mill tool holders and the Jacobs BT 40 end mill tool holder comes with 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