Feature

●High quality HSS step cone drill bit titanium coated with scale spiral groove step drill
●Material: High quality HSS step drill bit with titanium coating for sharpness and toughness, spiral blade design for easy chip removal and hole cleaning and long service life.
●Size: 4-12 mm, 4-20 mm, 4-32 mm.
●Color:Gold;Quantity:3pcs
●Application Tapered step drill bits are mainly used for chamfering, reaming, opening and drilling wood, but also for machining metallic and non-metallic materials such as fiberglass, plywood, plastic, insulation, thin sheet steel, aluminum and other materials.

[Gold 6]

[Gold 4]

[Gold 3]

[Black]

[bronze]

Description

Excellent quality HSS step drill hexagonal taper with scale spiral groove step drill.
Description:
Material This drill bit set is made of excellent HSS material with titanium coated surface, strong, sharp, wear-resistant and efficient.
Size: 4-12 mm, 4-20 mm, 4-32 mm.
Colour: black.
Quantity: 3
Step drill bits for a wide range of diameters, each step with a diameter scale for precise drilling. Can be used for chamfering common industrial metals, plastics and various soft materials such as aluminum, fiberglass, plastic, PVC board, wood, etc.
Reminder:
Please keep this product out of reach of children to avoid unnecessary injury.