4" 3 Jaw Precision Lathe Chuck with MT4 Shank (ROTATING Triple Ball Bearing)

4" 3 Jaw Precision Lathe Chuck with MT4 Shank (ROTATING Triple Ball Bearing)

Chuck Outside Dia. 4". Shank Size: Morse Taper #4, MT4. Max RPM: 4,200. Accuracy: 0.002" Triple ball bearing design. About the Chuck Revolving Plate: The chuck plate is designed for supporting work pieces during process to be fitted for standard 4" 3-jaw self centering lathe chuck. Triple ball bearing design. The main body and taper shank are made of high quality carbon steel and hardened for high performance and stability. Morse taper : 4 MT. Accuracy: 0.0003". RPM: 3,000. About the 4" 3-Jaw Self Centering Lathe Chuck: High precision self-centering design. Superior gripping force to meet precision machining demands. Flimsy parts are specifically engineered by quenching process to enhance durability. Short cylindrical center mounting. Chuck body is made of high quality nodular cast iron suitable for high rotation speed. Chuck Outside Dia. : 4" (100mm). Chuck Body Thickness: 2" (55mm). Center Thru Hole Dia.: 0.8661" (22mm). Bolt Circle Dia.: 3.3071" (84mm). Max RPM: 4,200. Internal Jaw Clamping Range: 0.0787" (2mm) -1.1811" (30mm). Internal Jaw Jamming Range: 1.1811" (30mm) - 3.5433" (90mm). External Jaw Clamping Range: 1.1811" (30mm) - 3.1496" (80mm). Accuracy: 0.002"(tested vertical