Features:
Ideal for using to cut holes in a variety of materials Including steel, brass, wood, plastic, etc.
Hex shanks prevent slippage when in chuck.
Made from high quality HSS steel, sturdy and durable.
With Titanium coated to reduce friction and heat.
They also convenient to enlarge existing holes.
Two straight groove design gives you faster, smoother cutting.

Specifications:
Material: HSS
Color: golden
Surface treatment: Titanium plated
Drill shank: 6mm / 1/4"
Sizes of the 3pcs Step Drill Bits:
5 Step: 4, 6, 8, 10, 12mm
10 Step: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12mm
9 Step: 4, 6, 8, 10, 12, 14, 16, 18, 20mm

Package includes:
1 x Set of 3pcs step drill

• Ideal for using to cut holes in a variety of materials Including steel, brass, wood, plastic, etc.
• Hex shanks prevent slippage when in chuck.
• Made from high quality HSS steel, sturdy and durable.
• They also convenient to enlarge existing holes.
• Two straight groove design gives you faster, smoother cutting.

Ideal for using to cut holes in a variety of materials Including steel, brass, wood, plastic, etc.XCSOURCE