Precision Components
CAT-50 Face Mill / Shell Mill Extensions
CAT-50 Face Mill / Shell Mill Extensions
Select the desired dimension based on the technical drawing.
SKU:CAT-50-.500FMX-6
Regular price
$511.00 USD
Regular price
Sale price
$511.00 USD
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1-800-525-1373
Precision Components Face Mill / Shell Mill Extensions allow milling of hard to reach areas while maintaining rigidity at extended lengths. 4” thru 15” projections available.
- Hardened
- Precision Made
- American Made
Includes Keys & Face Mill Screw

Specifications
| PART NUMBER | P | K | TAPPED HOLE | R | TAPER | B | FMS |
|---|---|---|---|---|---|---|---|
| CAT-50-.500FMX-6 | .500 | .250 | 1/4-28 | 6.00 | CAT-50 | 1.25 | FMS 1/4-28 SHCS |
| CAT-50-.750FMX-4 | .750 | .312 | 3/8-24 | 4.00 | CAT-50 | 1.90 | FMS 3/8-24 |
| CAT-50-.750FMX-6 | .750 | .312 | 3/8-24 | 6.00 | CAT-50 | 1.90 | FMS 3/8-24 |
| CAT-50-.750FMX-9 | .750 | .312 | 3/8-24 | 9.00 | CAT-50 | 1.90 | FMS 3/8-24 |
| CAT-50-.750FMX-12 | .750 | .312 | 3/8-24 | 12.00 | CAT-50 | 1.90 | FMS 3/8-24 |
| CAT-50-.750FMX-15 | .750 | .312 | 3/8-24 | 15.00 | CAT-50 | 1.90 | FMS 3/8-24 |
| CAT-50-1.000FMX-5 | 1.000 | .375 | 1/2-20 | 5.00 | CAT-50 | 2.40 | FMS 1/2-20 |
| CAT-50-1.000FMX-7 | 1.000 | .375 | 1/2-20 | 7.00 | CAT-50 | 2.40 | FMS 1/2-20 |
| CAT-50-1.000FMX-10 | 1.000 | .375 | 1/2-20 | 10.00 | CAT-50 | 2.40 | FMS 1/2-20 |
| CAT-50-1.000FMX-12 | 1.000 | .375 | 1/2-20 | 12.00 | CAT-50 | 2.40 | FMS 1/2-20 |
| CAT-50-1.000FMX-15 | 1.000 | .375 | 1/2-20 | 15.00 | CAT-50 | 2.40 | FMS 1/2-20 |
| CAT-50-1.250FMX-6 | 1.250 | .500 | 5/8-18 | 6.00 | CAT-50 | 2.90 | FMS 5/8-18 |
| CAT-50-1.250FMX-9 | 1.250 | .500 | 5/8-18 | 9.00 | CAT-50 | 2.90 | FMS 5/8-18 |
| CAT-50-1.250FMX-12 | 1.250 | .500 | 5/8-18 | 12.00 | CAT-50 | 2.90 | FMS 5/8-18 |
| CAT-50-1.250FMX-15 | 1.250 | .500 | 5/8-18 | 15.00 | CAT-50 | 2.90 | FMS 5/8-18 |
| CAT-50-1.500FMX-5 | 1.500 | .625 | 3/4-16 | 5.00 | CAT-50 | 3.88 | FMS 3/4-16 |
| CAT-50-1.500FMX-8 | 1.500 | .625 | 3/4-16 | 8.00 | CAT-50 | 3.88 | FMS 3/4-16 |
| CAT-50-1.500FMX-12 | 1.500 | .625 | 3/4-16 | 12.00 | CAT-50 | 3.88 | FMS 3/4-16 |
| CAT-50-1.500FMX-15 | 1.500 | .625 | 3/4-16 | 15.00 | CAT-50 | 3.88 | FMS 3/4-16 |
| CAT-50-2.000FMX-6 | 2.000 | 0.750 | 1-14 | 6.00 | CAT-50 | 4.38 | FMS 1-14 |
| CAT-50-2.000FMX-12 | 2.000 | 0.750 | 1-14 | 12.00 | CAT-50 | 4.38 | FMS 1-14 |
| CAT-50-2.500FMX-4 | 2.500 | 1.000 | 5/8-18 4" BHC | 4.00 | CAT-50 | 4.90 | - |
| CAT-50-2.500FMX-8 | 2.500 | 1.000 | 5/8-18 4" BHC | 8.00 | CAT-50 | 4.90 | - |
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