The B490 Double-Ended Boring Bar is a versatile and durable tool designed for precision machining tasks. Made from high-quality hardened and tempered tool steel, it ensures long-lasting performance under demanding shop conditions. Engineered for use at both 90-degree and 45-degree angles, this boring bar is ideal for internal boring, facing, and other fine-detail operations where accuracy is critical. The holder securely fits into standard tool posts, while the tool bits can be customized based on your project needs.

This double-ended boring bar is designed for precision cutting and finishing in a range of metalworking applications. It is suited for use in lathes and similar machinery where tight tolerances and clean finishes are required. With both 90-degree and 45-degree cutting options, it provides flexibility for multiple cutting angles in one tool setup.

Features

• Made from precision ground, hardened and tempered tool steel for extended tool life

• Double-ended design allows for 90-degree and 45-degree cutting angles

• Compatible with a variety of tool bits (optional, not included)

• Ideal for internal boring, facing, and grooving operations

• Designed for use in tool posts with a 1/2" square holder

Specifications

• Holder Size: 1/2" square

• Bar Size: 3/8" x 4-1/2"

• Tool Bit Size: 1/8" (tool bits sold separately)

• Material: Hardened and tempered tool steel

• Cutting Angles: 90 degrees and 45 degrees

Comes With

• One double-ended boring bar

• One precision steel holder sized 1/2" square

• Ready for use with 1/8" tool bits (bits sold separately)