ICarbide BT40 4mm X 3.15" Shrink Fit Tool Holder – Balanced G2.5 @ 25,000 RPM – 1 Piece

Machinists, listen up.

This is a precision shrink fit tool holder from iCarbide.

It's BT40 taper, with a 4mm bore and a 3.15-inch projection length.

Balanced to G2.5 at 25,000 RPM, so it's ready for high-speed machining.

Made in Taiwan, brand new.

Part number BT40SF0480.

If you're running a CNC and need solid runout and grip, shrink fit is the way to go.

Grab this and hold your end mills tight.