SET OF 5 COBALT STEP BUTTERS - 5FCAMAZ-F6

Step drill bits with 1/4-inch and 3/8-inch shank, SAE -

COBALT drill bit with aluminum box for Drilling on Steel, Brass, Wood

USE - 2 groove design allows you to cut faster and easier.

The TRI-FLAT shank will not slip in the chuck.

Automatically eliminates burrs when drilling.

HIGH QUALITY MATERIAL - Made of high quality HSS high speed steel, the surface of the drill bit is plated

of gold titanium nitride to reduce friction and heat and increase durability and lifespan.

Large drill bits have a three-sided shank and small drill bits have a hexagonal shank to prevent

chuck slip

HSS LIFETIME - High speed steel. Through heat treatment and temperature control.

WIDE APPLICATION - Ideal for home DIY and general construction/use supervision

of engineering. Ideal for drilling holes in a variety of materials, such as cutting steel, brass,

wood, plastic, etc.

The set includes:

Step drills with range of:
– 4-12 mm – 4, 5, 6, 7, 8, 9, 10, 11 and 12 mm
– 4-20 mm – 4, 6, 8, 10, 12, 14, 16, 18 and 20
– 4-33 mm – 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 and 33 mm

Countersink drills:
– 3, 6 and 8 mm