Standard Metric Bushings Slip-Fixed Renewable Type SFM
- Fixed and removable options on one knurled head for easier use
- Used with liner, permanently pressed into jig
- Held in place by lockscrew or clamp which fits a milled recess in the head
- Fixed mode for runs longer than life of the bushing
- Slip mode for multiple operatins on the same holes (such as drilling followed by reaming)
- O.D. has a slip fit tolerance for easy insertion or removal from the liner
- Length is measured under the head
All type “SFM” bushings are lapped, honed, or ground in the I.D. and are concentric within .012 T.I.R. to the O.D. A slip fit clearance is provided for proper alignment whe inserted into a liner.
Please order by providing the ANSI symbol and I.D. Size.
Example: 8.5mm I.D. X 15mm O.D. X 28mm Long Type SFM, order as SFM-15-28-8.50
Please note that the length on type “SFM” bushings is measured under the head.
| I.D. Range (Drill Size) | Std. I.D. Tolerance (add to nom I.D.) |
|---|---|
| 0.35 to 3.00 | +0.002 to +0.008 |
| 3.01 to 6.00 | +0.004 to +0.012 |
| 6.01 to 10.00 | +0.005 to +0.014 |
| 10.01 to 18.00 | +0.006 to +0.017 |
| 18.01 to 30.00 | +0.007 to +0.020 |
| 30.01 to 50.00 | +0.009 to +0.025 |
| 50.01 to 80.00 | +0.010 to +0.029 |
| 80.01 to 105.00 | +0.012 to +0.034 |
