PET-U 3 Inch R8 Shank Boring Head 3/4 Inch Carbide Boring Bar Set for Bridgeport Milling with Box

3 Inch R8 Shank Boring Head 3/4 Inch Carbide Boring Bar Set for Bridgeport Milling with Box Feature: Made of alloy steel with high strength and toughness durable and long service life Hardened and ground adjustment screws designed for long-term use Micrometer lead screw provides 0.0001In direct reading accuracy for easy adjustment With a plastic tool box easy to organize storage and carry Specification: Head Size: 3 inch Head Height: 3-5/32 inch Shank Taper: R8 Shank to Head 1-1/2-18 inch Tool Capacity Up to 3/4 inch Accuracy: 0.0001 inches Package includes: 1 x 3 boring head 1 x R8 shank 12 x 3/4 carbide boring bars 3 x allen wrenches