844 Single Tap Bits, 6 x 40 mm The High quality tap cutting bit by Wera. To cut metric threads. The hexagonal shaft ensures very good power transfer. The finely-tuned material elasticity provides for great durability. Perfect chip removal and a low tilt risk. " hexagon, suitable for holders as per DIN ISO 1173-D 6.3. Hex shaft for very good power transfer
Finely-tuned material elasticity for great durability
Very good centring properties
Perfect chip removal
Precise return movement Application: For cutting metric threads Drive 1/4" hexagon, suitable for DIN ISO 1173-D 6.3 holders