HYUNDAI KIA MACHINE HS500I 2008   Horizontal Machining Centers (HMC) HS4000/5000 II – High‑precision upgrades over previous models, with 15,000 rpm spindle, 3‑point support bed, 40–60 tool magazine HS4000 Series – Modernized high‑speed series introduced in the past decade HS5000i – The “i” generation improved with faster CNC, BBT40 Big Plus spindle, 40‑tool ATC HS5000M Series – Medium‑duty variant sharing many enhancements in the “i” series HS6300/8000 II – Heavy‑duty, large work envelope successors in the high‑rigidity segment Heavy‑Duty Horizontal Machining Centers KH50G/63G – Box‑guide, BT50 spindle, multiple pallet sizes (500×500 & 630×630 mm) introduced in recent years KH80G – Larger heavy‑duty model KH1000 – Top‑end heavy model with maximum rigidity and work capacity 5‑Axis Vertical Machining Centers XF2000 / XF2000i – Compact 5‑axis VMC with up to 40,000 rpm spindle, rolled out mid‑2010s KF3500/5A – Larger 5‑axis vertically oriented center with high rigidity and optional 20 k rpm spindle