Product features
The helical blade design effectively reduces cutting resistance.
The negative angle groove combined with special edge blunting can enhance the strength of the tool tip and improve resistance to chipping.
The V-shaped positioning surface and patented guide rail structure ensure a more secure installation and high machining accuracy.
It is mainly used for precision machining of high-hardness steel and cast iron materials.
Covers sizes D10-D32, meeting various processing needs.
Geometry features
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QTD*V-S:
- Helical blade design: Effectively reduces cutting resistance.
- Negative angle groove combined with special edge blunting: Enhances tip strength and improves resistance to chipping.
- V-shaped positioning surface and patented guide rail structure design: Effectively reduces cutting resistance.
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Grade matching
Paired milling grades for general materials and high-hardness steel.
GA4225、GHM7120
Paired with cutter body series

Product series |
Replaceable Tool Head |
Cylindrical Straight Type |
Taper Joint Cylindrical Straight Shank |
MBB100/200 |
D10-D32 |
D10-D32 |
D10-D32 |
Mold Core Parts machining
Specification |
QTD2506-V-S |
Grade |
GHM7120 |
Material |
Middle QT500(HRC28)
Edge Cr12(HRC58-62) |
Cutting speed |
Vc=353m/min |
Feed rate |
fz =0.19mm/z |
Cutting depth |
ap=0.1mm |
Cooling method |
Air Cooling |
Cutting method |
Profile Milling |


