H8303 3/8" Shank, Right-Hand Internal Threading Boring Bar

Boring bars made to exacting specifications for rigidity and reach.

The H8303 Boring Bars have flats which, hold the tool in a negative position.

Don’t worry, the inserts we carry have more than enough rake to move chips fast and efficiently!

The insert pockets are cut for a tight fit and the 60° cutter profile is fully supported.

Inserts are not included. The H8352 Carbide Inserts for steel, stainless, and cast-iron are available.

Uses and includes hardened Torx® screw for securing inserts.

The H8303 comes with a 1-year warranty assuring the set is free from factory defects.

The Grizzly Customer Service and Technical Support teams are U.S. based.

SPECIFICATIONS:

• Overall Length: 4-15/16"
• Shank: 3/8" Diameter
• Bore Depth: 2"
• Minimum Bore: 0.513"
• Hand: RH
• Cutting Edge Angle: 60°
• Bit type: Insert