The built-in spring helps to maintain stable load, which enables consistent performance, while reducing the need to adjust the Brush projection length frequently.
This tool can be used with machine tools that are compatible with BT30/40 shanks.
Product code | Target brush diameter (mm) |
Diameter for the sleeve shank (mm) |
Maximum rotational speed (min⁻¹) |
Length under gauge line (mm) |
Fig |
FH-BT30 | φ6 | φ6* | 10000 | 75 | 19 |
φ15 | φ6* | 6000 | |||
φ25 | φ8 | 5000 | |||
FH-BT40 | φ6 | φ6* | 10000 | 60 | 20 |
φ15 | φ6* | 6000 | |||
φ25 | φ8 | 5000 |
* Optional φ6 bush is available. Please contact for the detail.
Load adjustment | Load by stroke (N) | Adjustment screw position | |
0 mm | 6mm | ||
Standard Float | 2 | 6 | When load adjustment screw 2 is at the end of the shift. |
Higher Float | 6 | 10 | When load adjustment screw 2 is at the back of the shift. |
○ Approach the tool vertically when making it engaged with workpiece.
○ It can not be used if there are intermittent machining or protrusions.
○ Using on horizontal machining center, it may not function when spring load is low.