4-12mm / 4-20 / 4-32 triangular shank straight groove step drill 3 / 6 / 8 saw drill 6 Piece Set

Surface treatment: Titanium plating
Product configuration: Triangular shank straight groove titanium-plated step drill 4-12, 4-20, 4-32mm each, titanium-plated saw drill 3, 6, 8mm each

Specifications:

4- 12mm 5 steps

(4mm, 6mm, 8mm, 10mm, 12mm)

4-20 mm 9 steps

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

4-32mm 15steps

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