Precision in Production
KPM’s ability to deliver top-notch precision in manufacturing has stood up against the test of many customers across industries.

For example, KPM has been a long-time supplier of hard disc drive (HDD) parts, which has an extremely high requirement on roundness to ensure the discs spin with as little friction as possible, so the piece can function smoothly as a whole.

Our numbers on various dimensions:
Turning process
Outer Diameter: Ø 3.5mm to Ø 32mm (Accuracy: ± 3 um)
Maximum Length: 200mm
Hole Diameter accuracy: ± 3um to 4um
Surface Finish: up to Ra 0.4
Roundness: 2 um
Runout: 5 um
Milling process
Maximum Drilling: Ø 5mm
Maximum Tapping: M12
Dimensional Accuracy: ± 4 um - 5 um
Maximum Weight: 150kg
Grinding process
Outer Diameter: 3mm to 30mm
Accuracy: Roundness: 2 um to 3 um
CNC Lathe
Outer Diameter: Max 160mm
Maximum Length 250mm
Diameter Accuracy: within ± 0.02-0.03mm
CNC Machining
Size: (LxWxH) 850mm x 510mm x 610mm
Maximum Drilling: 38mm
Maximum Tapping: M30x3.5
Dimensional Accuracy: ± 0.01-0.03mm
Max Weight: 500kg
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Turning process
Outer Diameter: Ø 3.5mm to Ø 32mm (Accuracy: ± 3 um)
Maximum Length: 200mm
Hole Diameter accuracy: ± 3um to 4um
Surface Finish: up to Ra 0.4
Roundness: 2 um
Runout: 5 um
Milling process
Maximum Drilling: Ø 5mm
Maximum Tapping: M12
Dimensional Accuracy: ± 4 um - 5 um
Maximum Weight: 150kg
Grinding process
Outer Diameter: 3mm to 30mm
Accuracy: Roundness: 2 um to 3 um
CNC Lathe
Outer Diameter: Max 160mm
Maximum Length 250mm
Diameter Accuracy: within ± 0.02-0.03mm
CNC Machining
Size: (LxWxH) 850mm x 510mm x 610mm
Maximum Drilling: 38mm
Maximum Tapping: M30x3.5
Dimensional Accuracy: ± 0.01-0.03mm
Max Weight: 500kg