Products > Tools & Things
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- Includes boring head, R8 shank, and 4-piece indexable boring bar set
- The boring head offsets up to 5/8", dial is graduated in 0.001"
- Minimum bore diameter is 7/16"; Maximum boring diameter is 5.906"
- Maximum boring depth is 2.5"
- The included indexable boring bars come with TCMT 21.5 C6 carbide inserts for steel and alloy
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- All the Features of the HiTorque 3990 (brushless motor, gearless spindle drive, solid column, etc.)
- LED display with illuminated controls and integrated spindle speed readout
- 3-axis Bluetooth DRO w/tablet on X, Y, and Z-axis
- Largest table and X-Y travel in its class
- Aluminum hand wheels and drill press handles
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- Replaces both plastic transmission gears with metal
- Fits mini lathes and 3MT mini mills
- Small Gear: 12 Teeth / 20 Teeth, 12 mm Bore, 4 mm Keyway
- Large Gear: 21 Teeth / 29 Teeth, 30 mm Bore, 5 mm Keyway
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Riser, 2" Solid Column
