DART HSS DIN 340 METAL DRILL BIT LONG SERIES.
The Dart HSS Ground Metal Drill Bit Long Series is highly-precise and durable when drilling in metal.
Extra-long for large drilling depths, e.g. when drilling through drill bushes
Highly-precise and durable with best finish in metal
Precision grinding of grooves and diameters for outstanding centring
Manufactured as per DIN 340
Reinforced core for greater break resistance