
A wide range of indexable drills for various applications
Twisted coolant hole in the drill body provides excellent chip evacuation and surface finish.

Applications & Features
Applications
Features
1. Rich line-up of drills and Suitable for various applications
- Drill diameter: ø12.5 – ø 54.0 mm
- L/D = 2, 3, 4, 5
A wide variety of chipbreakers and grades offers high versatility.
2. Excellent chip evacuation
Coolant hole increases coolant flow by 1.5 times, which improves chip evacuation, resulting in excellent surface finish.
Inserts & Grades
Inserts
Grades
AH9030
- P15 – P35 / K10 – K25
- High wear resistance
- Suitable for drilling steel and cast iron at high speed
AH6030
- M25 – M35 / S15 – S30
- High fracture resistance
- Suitable for drilling stainless steel and heat-resistant alloy under general cutting conditions
GH130
- P25 – P40 / M25 – M40 / K25 – K40
- High chipping and fracture resistance
- Suitable for steel, stainless steel, and cast iron
AH725
- Good balance between wear and chipping resistance
- Suitable for machining steel and stainless steel under general cutting conditions
Drill bodies & Related tools
Practical examples
Example #1
Automotive Industry
Part: | Pinion |
Material: | SCM435 / 34CrMo4 |
Drill: | TDX185F25-2 |
Insert: | XPMT06X308R-DW |
Grade: | AH9030 |
Cutting conditions: | Vc = 160 (m/min) f = 0.11 (mm/rev) Vf = 300 (mm/min) H = 18 (mm) Coolant: Wet Machine: NC lathe |

Example #2
Automotive Industry
Part: | York |
Material: | S33C |
Drill: | TDX200F25-3 |
Insert: | XPMT06X308R-DJ |
Grade: | AH725 |
Cutting conditions: | Vc = 138 (m/min) f = 0.06 (mm/rev) Vf = 132 (mm/min) H = 25 (mm) Coolant: Wet Machine: Special-purpose machine |

Example #3
Automotive Industry
Part: | Connecting rod |
Material: | S55C |
Drill: | TDX200F25-3 |
Insert: | XPMT06X308R-DW |
Grade: | AH725 |
Cutting conditions: | Vc = 90 (m/min) f = 0.06 (mm/rev) Vf = 86 (mm/min) H = 22 (mm) Coolant: Wet Machine: Special-purpose machine |
