Description
Machine precise internal bores on milling equipment. The Magnum BH3 adjustable boring head accepts 3/4-inch round shank bars for expanding holes and truing internal diameters.
Features
- Adjustable Dial – Provides fine radial adjustments for accurate bore sizing.
- Standard Fit – Designed to hold common 3/4-inch round shank boring bars.
Specifications
- Head Size: 3″
- Bar Capacity: 3/4″ (Round Shank)
- Supplier Part Number: 561-493
- KMS Product Code: MAG-BH3
Common Shop Applications
- Milling custom bearing pockets in metal plates.
- Truing and expanding pre-drilled holes.
Recommended Shop Add-Ons
- Boring Head Shank
- 3/4 Inch Boring Bar Set
Frequently Asked Questions
Q: Does this include a mounting shank? A: No, mounting shanks are sold separately to match your machine’s specific spindle taper.
Q: What size boring bars fit this head? A: It is designed to accept 3/4-inch round shank boring bars.









