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The VALUE COLLECTION 375-1246 is a right-hand carbide-tipped boring bar designed for precision internal turning and bore enlargement on metalworking lathes and boring machines. It accepts a minimum bore diameter of 0.4375 inches (7/16 inches) and reaches a maximum bore depth of 1.125 inches (1-1/8 inches). The 1/2-inch shank diameter provides solid tool post seating, and the C6 carbide-tipped cutting insert delivers hardness suitable for general-purpose ferrous and non-ferrous machining. Overall length is 2-5/8 inches. At 0.15 pounds, this bar is compact and well-suited for light to medium boring operations on manual and CNC lathes.
This boring bar is used in machine shops, tool rooms, and production environments where precise internal diameter finishing or roughing is required. It is suited for machinists working on short-run and prototype work, as well as maintenance and repair operations where accurate bore sizing is needed. The right-hand cutting direction suits standard lathe rotation when boring with the tool fed toward the chuck.
Designed as a standard right-hand boring bar for use in tool holders and boring bar holders accepting a 1/2-inch round shank, common on manual and CNC lathes in general machining applications.
Installation is performed by a qualified machinist. Secure the 1/2-inch shank firmly in the tool holder with appropriate set screws, ensuring minimal overhang beyond the holder to reduce chatter. Power down and lock out the machine before mounting or removing the boring bar. Confirm cutting edge orientation and tool height before engaging the workpiece.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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