4mm Ø   Special Lip & Spur Drill STC x 70mm overall length  x 10mm Shank - left hand rotation..

These tools give an exact diameter hole with no vibration or deflection.
Drill part made from solid carbide which results in super fast feed rates.
Minimum 10 times longer life, also prevents flute clogging.
Colour coded rings:- Black = Right hand, Orange = Left hand rotation.
With end adjusting screws.
Used by leading Joinery, Furniture, Display & sign Makers.

FREE technical advice available.