Brand: Lyndex-Nikken
Model / MPN: BT40-SF0750-3.54 CP
Taper Size: BT40Bore Diameter: 0.750" (3/4 in) / Fits the included 19.05mm shank toolProjection Length (Gage Length): 3.54 inches
Balance Rating: G2.5 at 25,000 RPM (or < 1.5 gmm)
Pull Stud Brand & Model: MariTool PS-11126A-HS
Cutting Tool Type: Solid Carbide Roughing End Mill (with chipbreaker profile)Condition: Used (Shows heat coloration typical of normal shrink-fit operation; fully functional)
professional-grade Lyndex-Nikken BT40 Slim Fit Shrink Fit Tool Holder assembly. This tool holder is factory-balanced to an ultra-precise G2.5 rating at 25,000 RPM, making it exceptional for high-speed, high-rigidity CNC machining applications.The holder features a 0.750" bore and comes pre-loaded with a premium roughing carbide end mill (measured at a precise 19.05mm / 3/4" shank diameter). The end mill features a specialized serrated chipbreaker flute design engineered to break up chips during heavy profile milling and pocketing. A high-speed MariTool PS-11126A-HS retention knob/pull stud is securely installed on the taper.Key Features:Shrink Fit Technology: Provides uniform 360-degree clamping force with virtually zero runout for superior tool life and surface finishes.Slim Fit Profile: Tapered nose provides maximum clearance around workpieces and fixtures.High-Speed Balance: Rated for high RPM applications up to 25,000 RPM.Condition Note:This tool holder assembly is in good, pre-owned working condition. The middle section shows dark heat-tint discoloration, which is entirely cosmetic and a normal result of the induction heating process used to change out tools in shrink-fit systems. The BT40 machine taper is intact with minor surface wear from typical carousel handling. Please review the included photos to inspect the exact condition of the holder and the cutting edges of the end mill.











