Feature(may vary by option.)

●Step Drill/Bamboo Drill: Titanium Nitride coating reduces friction heat for improved sharpness and durability. Spiral allows for smooth drilling
●[Size] Hexagonal Shaft 0.25 inch (6.35 mm) / 0.16 inch (4 - 32 mm) / 15 Tiers / 4 - 0.8 inch (20 mm) / 9 Tiers / 0.16 inch (4 - 12 mm) 9 Steps: Material: High Speed Steel (HSS Steel) / Titanium Coating
●Product Contents: 0.2 - 1.3 inches (4 - 32 mm), 0.1 - 0.8 inches (4 - 20 mm), 0.4 - 0.5 inches (4 - 12
●It can be used for drilling holes on iron plates, aluminum plates, wood, vinyl, resin, etc., as well as enlarging the lower hole, chamfering, deburring, etc. Can be used for a wide range of applications, from construction work to DIY projects
●Note: There may be scratches or stains that do not affect the use of the product, but please be aware that this does not affect the use. Please check the size before purchasing

[3 pieces  & aluminum box]





Description

Step Drill/Bamboo Drill: Titanium Nitride coating reduces friction heat for improved sharpness and durability. Spiral allows for smooth drilling. Size: Hexagonal shaft 0.25 inch (6.35 mm) / 0.16 inch (4 - 32 mm) / 15 tiers / 4 - 0.8 inch (20 mm) / 9 levels: Material: High speed steel (HSS steel) / Titanium coating; Product Contents: 0.16 - 0.8 inch (4 - 32 mm) / 4 mm) / 0 inch (4 mm) / 0 inch (4 - 0 inch (12 mm) / 4 mm) / 4 inch (12 mm) / 4 inch (12 mm) / 4 inch (12 mm) / 4 inch (12 inch (12 mm) / 4 mm) / 4 inch (12 mm) / 0 inch (12 mm) / 0 inch (12 mm) / 0.or other work. Can be used for a wide range of applications, from carpentry work to DIY projects. Precautions: There may be scratches or stains that do not affect use. Please be aware that this will not affect the use. Please check the size before purchasing.