The GS Tooling NMTB40 1-1/4" x 3.69" End Mill Holder is engineered for secure and accurate tool holding in high-performance CNC machining. Designed to hold 1-1/4"-inch shank end mills, this holder features a 3.69"-inch gage length and a precision-machined bore for optimal concentricity and reduced vibration.
Manufactured from high-grade alloy steel, the holder is hardened and ground to ensure long-lasting durability and stable performance under demanding conditions. Perfect for CNC milling, this NMTB40 tool holder is balanced to reduce runout at high spindle speeds and is compatible with all standard NMTB40 spindles.
Key Features:
Accepts 1-1/4" shank end mills with a 3.69" projection length
Precision-ground bore for maximum clamping force and accuracy
Constructed from hardened alloy steel for extended wear resistance
Ideal for high-speed CNC milling and general machining tasks
Compatible with standard NMTB40 spindles and tool changers