The CLIMAX KM3000 Key Mill is a compact, robust, and high-performance keyway milling solution engineered for efficient on-site machining. Its portable design, rugged construction, and fast setup allow operators to cut full-depth keyways and mill flats directly on the shaft, eliminating unnecessary disassembly and minimizing downtime. Capable of cutting a full-depth 6″ / 152.4 mm keyway in under four minutes, the KM3000 delivers fast, precise results in demanding field environments. As the original portable key mill, its proven design has earned the trust of maintenance professionals worldwide and remained the industry standard for more than 60 years.
KM3000 Key Mill
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| OPERATING RANGES | SPECIFICATION |
| Stroke (slide travel), max. | 6” / 152.4 mm |
| Vertical travel, max. | 1.75” / 44.5 mm |
| Variable spindle speed (no load) | 180–530 rpm |
| Spindle hole diameter | 0.625” / 16 mm |
| Maximum end mill diameter | 1.25” / 31.75 mm |
| Maximum shaft diameter (standard bar clamp) | 4.5” / 114.3 mm |
| Maximum shaft diameter (optional chain clamp) | 10.5” / 266.7 mm |
| Minimum shaft diameter (standard bar clamp) | 1.5” / 38.1 mm |
| Minimum shaft diameter (optional shim kit) | 0.75” / 19.1 mm |
| Minimum clamping space on stub shaft | 1.5” / 38.1 mm |
| POWER OPTIONS | OUTPUT |
| Electric | 120V or 230V, 50/60 Hz |
| MEASUREMENTS | SPECIFICATION |
| Overall length to slide | 12.9” / 327.7 mm |
| Overall length to cord | 19” / 482.6 mm |
| Overall width | 6.85” / 174 mm |
| Overall height | 11.2” / 284.5 mm |
| Base size | 4.38 × 6.75” / 111.3 × 175.1 mm |
| Operating weight | 53 lbs / 24 kg |
| Shipping weight | 96 lbs / 43.5 kg |
| Shipping dimensions | 13 × 14 × 20” / 330 × 360 × 508 mm |
Self-centering alignment: Self-aligning V-base automatically centers on the shaft for fast setup and accurate keyway machining.
Compact mounting: Requires just 1.5″ / 38.1 mm of shaft for mounting, allowing keyways to be cut nearly the full length of the machine’s travel.
Large shaft capacity: Optional chain clamp assembly extends clamping capacity for shafts up to 10.5″ / 266.7 mm in diameter.
End-of-shaft machining: Slotted V-base allows keyways to be machined right to the end of the shaft.
Precision feed control: Dovetail ways, a precision Acme-thread leadscrew with roller thrust bearings, and a zeroing vertical adjustment dial provide smooth cutter advancement and accurate depth-of-cut control.
Versatile tooling: Standard Weldon® spindle accepts 5/8″ / 16 mm shank end mills, with optional end mill and collet kits available.
Reliable performance: Sealed aluminum gearbox operates at any angle, while the precision-ground quill housing ensures smooth, dependable performance.
Consistent cutting performance: Soft-start motor maintains cutting speed under load for smooth, reliable cuts.
Global compliance: CE and CSA certified for safe operation and worldwide use.
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CLIMAX KM3000 Key Mill
CLIMAX KM3000 Key Mill
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