Adjustable countersink

SERIES:  521.001

Tungsten carbide tipped tool Two cutting edges Right-hand rotation
Description Order No. Buy now Availability
d= 3-7mm (1/8" - 9/32") D= 11-15mm (7/16"- 19/32") 521.001.11 Buy now Available


-Premium quality HW.
-2 HW precision ground cutting edges (Z2).
-Quick and easy drill change.


Twist drill Overall diameter
Ø3mm (1/8") Ø11mm (7/16")
Ø4mm (5/32") Ø12mm (15/32")
Ø5mm (13/64") Ø13mm (1/2")
Ø6mm (15/64") Ø14mm (9/16")
Ø7mm (9/32") Ø15mm (19/32")


Twist drills not included.
For use with spiral bits featuring parallel shank.
 Item  TCEI screw  Hex key
521.001.11   990.061.00 
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance know to the State of California to cause cancer. Avoid inhaling wood dust or use dust mask or other safeguards for personal protection. For more information go to