Cleveland
Cleveland C61907 4-Flute Carbide Square End Mill .625 in
A 4-flute carbide square end mill with a .625 in diameter and 1.25 in length of cut for general-purpose milling
- TypeMilling
- 4-flute carbide design enables efficient material removal
- 625 in cutting diameter suits precise milling tasks
- 25 in length of cut supports deeper passes
- 5/8 in shank diameter fits standard tool holders
- Uncoated carbide construction handles general-purpose applications
Cleveland C61907 carbide end mill
This Cleveland C61907 is a 4-flute square end mill made from solid carbide for general-purpose milling. The .625 inch cutting diameter and 1.25 inch length of cut suit slotting and profiling in steel, cast iron and non-ferrous alloys. The straight shank matches a 5/8 inch holder for direct mounting in a milling chuck or collet. Uncooked carbide keeps the edge sharp for short runs and low-volume work.
Thermal performance and power draw
Carbide conducts heat away from the cutting zone faster than high-speed steel, so the flutes stay cooler during continuous cuts. The uncoated surface avoids the insulation effect of some coatings, letting chips carry heat out of the slot. Four flutes spread the load, reducing peak force on each tooth and lowering spindle power demand per revolution. No internal coolant passages means the tool relies on flood or mist coolant from the machine.
Build quality and daily use
The solid carbide body resists deflection better than steel shank tools, holding tighter tolerances on deep pockets. A straight 5/8 inch shank fits standard ER collets and Weldon flats without adapters. Square end geometry leaves a flat bottom, useful for roughing and finishing passes without tool changes. Non-coolant-through design simplifies setup on machines without through-spindle coolant. Uncoated finish means no coating wear to monitor, just resharpen when the edge dulls.
Highlights
- 4-flute carbide design enables efficient material removal
- 625 in cutting diameter suits precise milling tasks
- 25 in length of cut supports deeper passes
- 5/8 in shank diameter fits standard tool holders
- Uncoated carbide construction handles general-purpose applications
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Milling |
Questions about this item
How do I install the 4-flute carbide square end mill with a 5/8 in shank, and what step is often missed?
Insert the .625 in shank fully into a matching collet or end-mill holder, then tighten the drawbar or collet nut to the machine's specified torque; the step often missed is verifying the shank seats completely against the internal stop before locking.
What maintenance or replacement will the uncoated carbide end mill need after extended use?
The cutting edges will dull and require professional resharpening or replacement; no coating replenishment is possible because the tool is supplied uncoated.
What limit appears first during sustained milling with the 1.25 in length of cut?
Heat buildup in the uncoated carbide flutes typically becomes the limiting factor before tool deflection, especially when cutting at full 1.25 in depth without coolant-through capability.
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