JHG Series : The Starting Point for Precision Grinding

The center hole is the starting point for precision—from design and machining to final inspection. Think of the JHG Series as the essential partner for your cylindrical grinding. By ensuring every center hole is precise, it boosts overall efficiency and makes your process more cost-effective.


Grinding Applications

Widely used for positioning and grinding center holes in precision parts such as:

  • Cutting Tools
  • Tool Holders
  • Spindles
  • Gear Transmission Shafts

Specifications Overview

Model Workpiece O.D. Workpiece Length
JHG-1510 Ø5 ~ Ø125 mm 50 ~ 1000 mm
JHG-1015 Ø5 ~ Ø100 mm 50 ~ 1500 mm
JHG-1020 Ø5 ~ Ø90 mm 50 ~ 2000 mm
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