J Series
Carbide miniature boring cuttersCheng Yi Industrial professionally provides a complete J-series boring tool product line, covering various internal machining requirements from basic cutting to complex profile machining, offering comprehensive internal machining solutions for CNC lathe operators.
Complete Product Series
Face Grooving Series
- JFR Face Grooving Tool: For precise face grooving with accurate groove width and excellent surface finish.
- JVR Deep Face Grooving Tool: Ideal for deep grooves, offering great chip evacuation and machining stability.
- JGR Internal Grooving Tool: Ensures flat groove bottoms and perpendicular sidewalls for internal grooving.
Internal Threading Series
- JIR 55° Internal Threading Tool: For 55° metric internal threads.
- JIR 60° Internal Threading Tool: For special 60° thread specifications.
- JPR Profile Internal Boring Tool: For complex, irregular internal contours.
- JQR Profile Internal Boring Tool: High-precision profile boring for strict tolerances.
- JUR Profile Flat Bottom Internal Boring Tool: Ensures flatness in flat-bottom internal holes.
Standard Internal Machining Series
- JTR Internal Boring Tool: Universal internal turning tool, suitable for various material internal hole machining.
- JXR Reverse Internal Boring Tool: Reverse cutting design, suitable for special machining conditions.
Product Features
- Premium German Tool Steel: High-quality German HSS and carbide for superior durability.
- Precision Grinding: Ensures sharp edges and geometric accuracy.
- Optimized Tool Angles: Designed for various machining needs.
- Advanced Surface Treatment: German technology for increased wear resistance and longer life.
Applications
- Automotive components
- Hydraulic/pneumatic parts
- Precision mechanical parts
- Medical devices
- Aerospace parts
- Semiconductor equipment

OBH Internal Hole Knife Handle
Model : OBH
Model : OBH

JPR Profiling Inner Hole Knife
Model : JPR
Model : JPR

JTR Internal Boring Knife
Model : JTR
Model : JTR

JUR Profiling Flat Bottom Internal Hole Knife
Model : JUR
Model : JUR

JXR Reverse Internal Bore Knife
Model : JXR
Model : JXR

JQR Profiling Inner Hole Knife
Model : JQR
Model : JQR

JIR 60° Internal Hole Thread Knife
Model : JIR 60
Model : JIR 60

JIR 55° Internal Hole Thread Knife
Model : JIR 55
Model : JIR 55

JVR Face Grooving Knife
Model : JVR
Model : JVR

JGR Internal Grooving Knife
Model : JGR
Model : JGR

JFR Face Grooving Knife
Model : JFR
Model : JFR

Coating Item