50D deep hole drilling in one operation: Walter Titex XD
Carbide long drill Titex XD technology
Deep hole drilling in one operation.
Standard product is available up to 50D.
Special product is available up to 70D.
![](/en/tc/labo/img/idea/walterxddrill01.png)
Other manufacturers' maximum L/D for solid drills
Overseas manufacturer A:30D, Overseas manufacturer B:40DJapanese manufacturer A:40D, Japanese manufacturer B:30D, Japanese manufacturer C:30D,Japanese manufacturer D:30D, Japanese manufacturer E:30D
![](/en/tc/labo/img/idea/drill-4231569_1920.jpg)
Standard product lineup by Walter
![](/en/tc/labo/img/idea/walterxddrill3.png)
Φ4.5 to Φ9.0 are standard line up of 50D.
Special product is available up to 70D. Maximum length of drill material is 530mm.
![](/en/tc/labo/img/idea/walterxddrill2.png)
Excellent chip evacuation by polished flute.
Chip evacuation is the most important for long hole drilling. Please process with over 2Mpa coolant pressure.
Machining test data
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Machine:
MAZAK INTEGREX-i200 -
Workpiece size: External diameter of Φ48 x 280mm length
Workpiece material: S45C
①3D pilot:A6181TFT-6 Drilling to 12mm depth Vc=90m,f=0.18mm/rev
②30D drill:A6994TFP-6 Drilling to 17mm depth Vc=70m,f=0.15mm/rev
③50D drill:A7595TTP-6 Drilling to 280mm depth Vc=70m,f=0.15mm/rev
Result: No vibration and bent hole with stable machining
Bore exit: Left is drilling with other manufacturer A. Right is drilling with Walter A7595TTP-6.
![](/en/tc/labo/img/idea/walterxddrill6.jpg)
Although drill of other manufacturer A is carbide drill, it misaligned about 2mm from the center position.
![](/en/tc/labo/img/idea/walterxddrill006.jpg)