SOLID CARBIDE TWIST DRILL

THRO COOLANT DIN 6537 TO 7xD
EXTRA LONG TYPE TIN -TIAIN coated,​​ with internal coolant and steel shank, right hand cut cylindrical with clamping.

 

GEOMETRY & APPLICATION

Point grind- Special point. CNC grinding/point angle 140°/side rack
angle : 30°/ web thickness : reinforced / profile : special chip flute

Geometry.

High performance spiral twist drill ​​ for highest ​​ bore hole quality &
economical output for drilling of cast iron ,malleable cast iron, steel,
steel casting Cr-Ni-steel , heat resisting steel ,non -ferrous metals.
Specially suited for NC-driiling with great feeds per rev.
Also offered on ​​ intermediate size on​​ request.

Order No.


d1​​


d2​​


L1​​


L2


L3


Z


m7


h6


mm


mm​​


mm


508-0050


5.0


6.0


90


50


41


2


508-0055


5.5


6.0


97


57


48


2


508-0060


6.0


6.0


97


54


48


2


508-0065


6.5


8.0


106


66


56


2


508-0068


6.8


8.0


106


66


56


2


508-0070


7.0


8.0


116


76


66


2


508-0075


7.5


8.0


116


76


66


2


508-0078


7.8


8.0


116


76


66


2


508-0080


8.0


8.0


116


76


66


2


508-0085


8.5


10.0


131


87


75


2


508-0090


9.0


10.0


131


87


75


2


508-0095


9.5


10.0


140


98


84


2


508-0100


10.0


10.0


140


98


84


2


508-0102


10.2


12.0


145


98


84


2


508-0105


10.5


12.0


145


98


84


2


508-0110


11.0


12.0


145


98


84


2


508-0115


11.5


12.0


145


98


84


2


508-0120


12.0


12.0


145


98


84


2


508-0125


12.5


14.0


161


114


98


2


508-0130


13.0


14.0


161


114


98


2


508-0135


13.5


14.0


161


114


98


2


508-0140


14.0


14.0


161


114


98


2


508-0145


14.5


16.0


181


131


112


2


508-0150


15.0


16.0


181


131


112


2


508-0155


15.5


16.0


181


131


112


2


508-0160


16.0


16.0


181


131


112


2


508-0165


16.5


18.0


197


147


126


2


508-0170


17.0


18.0


197


147


126


2


508-0175


17.5


18.0


197


147


126


2


508-0180


18.0


18.0


197


147


126


2


508-0185


18.5


20.0


216


164


140


2


508-0190


19.0


20.0


216


164


140


2


508-0195


19.5


20.0


216


164


140


2


508-0200


20.0


20.0


216


164


140


2


508-0220


22.0


25.0


263


205


182


2


508-0240


24.0


25.0


263


205


182


2


508-0250


25.0


25.0


263


205


182


2


508-0280


28.0


32.0


294


230


196


2


508-0300


30.0


32.0


310


246


210


2


508-0320


32.0


32.0


310


246


210


2


508-0340


34.0


32.0


310


246


210


2


508-0360


36.0


32.0


310


246


210


2


508-0380


38.0


32.0


310


246


210


2


508-0400


40.0


32.0


310


246


210


2


508-0450


45.0


32.0


310


246


210


2


508-0500


50.0


32.0


310


246


210


2