Grizzly Industrial Boring Head Set (H5678, H5679)

Grizzly Industrial Boring Head Set (H5678, H5679)

Grizzly Industrial Boring Head Set is designed for versatility and accuracy, these sets feature dials calibrated to .001" and .050" per revolution, ensuring superior precision. Both sets come with three durable boring bars, wrenches, and a fitted carrying case, making them ideal for professionals and hobbyists alike.

Built with compatibility in mind, the H5678 supports MT#3 arbors, while the H5679 is designed for R-8 arbors. Each set includes a dovetail slide with a locking clamp and 9/16" hole offset, providing stability and control. These tools are perfect for model-making, fine machining, and other precision applications.

Specifications and Dimensions

Arbor Compatibility:

Dial Calibrations: .001" and .050" per revolution

Boring Bar Sizes (Overall Length X Bore Depth X Min Bore):

2" X 3/4" X 17/64"

2-7/16" X 1-1/8" X 5/16"

2-13/16" X 1-1/2" X 11/32"

Boring Bar Socket Size: 3/8"

Hole Offset: 9/16"

Drawbar (H5679): 7/16"-20

Key Features and Benefits

Precision dials for accurate machining

Universal compatibility with MT#3 and R-8 arbors

Includes three boring bars, wrenches, and a fitted case

Dovetail slide with a locking clamp for stability

Product identification

• Brand: Grizzly Industrial