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CAT face mill arbors in CAT40 and CAT50, arbor diameters 3/4 inch to 2 inch, gage lengths 1.37 to 6 inch. Same tool, two names: the catalog says face mill arbor, the floor says shell mill holder. Watch the taper when you size one — the 2 inch arbor is CAT50 only, and CAT40 stops at 1-1/2 inch. Gage length sets your clearance to the fixture and the drive key width has to match the drive slot in the cutter, so both are called out on every line. Pull studs are a separate part and are not included. Arbor diameters, gage lengths and dimensions are in the chart below.
| Cart+ | SKU | Price | Quantity | Total | L (inch) | l₁ (inch) | l₂ (inch) | d₁ (inch) | d₂ (inch) | d₃ (inch) | K₁ (inch) | K₂ (inch) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CAT40-FMA3/4″-1.37″ | $24 | $0 | 4.744 | 1.37 | 0.687 | 0.75 | 0.875 | 1.69 | 0.16 | 0.3125 | ||
CAT40-FMA3/4″-4″ | $26 | $0 | 7.374 | 4 | 0.687 | 0.75 | 0.875 | 1.69 | 0.16 | 0.3125 | ||
CAT40-FMA3/4″-6″ | $30 | $0 | 9.374 | 6 | 0.687 | 0.75 | 0.875 | 1.69 | 0.16 | 0.3125 | ||
CAT40-FMA1″-2.06″ | $24 | $0 | 5.434 | 2.06 | 0.687 | 1 | 1.1875 | 2.19 | 0.2 | 0.375 | ||
CAT40-FMA1″-4″ | $28 | $0 | 7.374 | 4 | 0.687 | 1 | 1.1875 | 2.19 | 0.2 | 0.375 | ||
CAT40-FMA1″-6″ | $32 | $0 | 9.374 | 6 | 0.687 | 1 | 1.1875 | 2.19 | 0.2 | 0.375 | ||
CAT40-FMA1-1/4″-2.21″ | $26 | $0 | 5.584 | 2.21 | 0.687 | 1.25 | 1.5 | 2.75 | 0.24 | 0.5 | ||
CAT40-FMA1-1/4″-4″ | $30 | $0 | 7.374 | 4 | 0.687 | 1.25 | 1.5 | 2.75 | 0.24 | 0.5 | ||
CAT40-FMA1-1/4″-6″ | $34 | $0 | 9.374 | 6 | 0.687 | 1.25 | 1.5 | 2.75 | 0.24 | 0.5 | ||
CAT40-FMA1-1/2″-2.21″ | $28 | $0 | 5.837 | 2.21 | 0.940 | 1.5 | 1.875 | 3.81 | 0.31 | 0.625 | ||
CAT40-FMA1-1/2″-4″ | $32 | $0 | 7.627 | 4 | 0.940 | 1.5 | 1.875 | 3.81 | 0.31 | 0.625 | ||
CAT50-FMA3/4″-1.5″ | $51 | $0 | 6.187 | 1.5 | 0.687 | 0.75 | 0.875 | 0.12 | 0.3125 | |||
CAT50-FMA3/4″-3.5″ | $55 | $0 | 8.187 | 3.5 | 0.687 | 0.75 | 0.875 | 1.69 | 0.16 | 0.3125 | ||
CAT50-FMA3/4″-5.5″ | $62 | $0 | 10.187 | 5.5 | 0.687 | 0.75 | 0.875 | 1.69 | 0.16 | 0.3125 | ||
CAT50-FMA1″-2″ | $53 | $0 | 6.687 | 2 | 0.687 | 1 | 1.1875 | 2.19 | 0.2 | 0.375 | ||
CAT50-FMA1″-4″ | $60 | $0 | 8.687 | 4 | 0.687 | 1 | 1.1875 | 2.19 | 0.2 | 0.375 | ||
CAT50-FMA1″-6″ | $68 | $0 | 10.687 | 6 | 0.687 | 1 | 1.1875 | 2.19 | 0.2 | 0.375 | ||
CAT50-FMA1-1/4″-1.5″ | $55 | $0 | 6.187 | 1.5 | 0.687 | 1.25 | 1.5 | 2.75 | 0.24 | 0.5 | ||
CAT50-FMA1-1/4″-3.5″ | $62 | $0 | 8.187 | 3.5 | 0.687 | 1.25 | 1.5 | 2.75 | 0.24 | 0.5 | ||
CAT50-FMA1-1/4″-5″ | $68 | $0 | 9.687 | 5 | 0.687 | 1.25 | 1.5 | 2.75 | 0.24 | 0.5 | ||
CAT50-FMA1-1/4″-6″ | $72 | $0 | 10.687 | 6 | 0.687 | 1.25 | 1.5 | 2.75 | 0.24 | 0.5 | ||
CAT50-FMA1-1/2″-2.4″ | $60 | $0 | 7.338 | 2.4 | 0.938 | 1.5 | 1.875 | 3.81 | 0.31 | 0.625 | ||
CAT50-FMA1-1/2″-4″ | $66 | $0 | 8.938 | 4 | 0.938 | 1.5 | 1.875 | 3.81 | 0.31 | 0.625 | ||
CAT50-FMA1-1/2″-6″ | $74 | $0 | 10.938 | 6 | 0.938 | 1.5 | 1.875 | 3.81 | 0.31 | 0.625 | ||
CAT50-FMA2″-2.4″ | $66 | $0 | 7.338 | 2.4 | 0.938 | 2 | 2.5 | 4.88 | 0.39 | 0.75 | ||
CAT50-FMA2″-4″ | $74 | $0 | 8.938 | 4 | 0.938 | 2 | 2.5 | 4.88 | 0.39 | 0.75 |
CAT40 and CAT50 V-flange tapers
Arbor diameters 3/4 inch to 2 inch
2 inch on CAT50 only; CAT40 tops out at 1-1/2 inch
Gage lengths 1.37 to 6 inch, 26 configurations
Drive key width has to match the slot in the cutter
Also called a shell mill holder or shell mill arbor
Also listed as a CAT40 face mill tool holder
Pull studs are not included, ordered separately
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