3 Pcs step drill bit set

Material: HSS
Applies to Steel Plate thickness ? 3 mm

Includes:
3 Piece step drill bit set
1 Piece 4 – 12 mm, 2 mm/step, Shank diameter: 6 mm
1Piece 4 – 20 mm, 2 mm/step, Shank diameter: 8 mm
1Piece 4 – 32 mm, 2 mm/step, Shank diameter: 10 mm

Packed by double blister.