Resin ring reduces core and rattling for accurate drilling.
Drilling speed is possible due to the extreme reduction of the core.
Processing Materials: Iron, light metal, synthetic resin, wood
For drilling and drilling holes for various types of taps, such as iron, light metal, synthetic resin, wood, etc.
Set Contents: 0.12, 0.14, 0.16 inches (3.0, 3.5, 4.0 mm)
Shank diameter: 0.25 inches (6.35 mm); Groove length: 1.3 / 1.5 / 1.7 inches (33 / 39 / 43 mm); Total length: 3.7 / 4.0 inches (94 / 103 / 108 V); Set contents: 0.1 inches (3.0 mm), 0 mm)
Slide pack included.
High Speed Steel (HSS)