High Speed Steel 4241 Triangular Shank Spiral Groove Step Drill Pagoda Drill 4-12 4-20 4-32mm

High speed steel 4241 triangular shank spiral groove step drill pagoda drill 4-12 4-20 4-32mm

Set of 3 hexagonal shank titanium-plated spiral step drills 4-12/4-20/4-32

Product weight: about 230g per set

Product packaging: opp

Product material: high speed steel 4241

Packaging size: width 12.5cm* length 14cm* height 3cm

Specifications: 4-32mm (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm)

4-20mm (4, 6, 8, 10, 12, 14, 16, 18, 20mm)

4-12mm (4, 5, 6, 7, 8, 9, 10, 11, 12mm)

Surface treatment: titanium platin