3pcs 4-12/4-20/4-32mm HSS Step Cone Drill Bits Hex Shank Triangle Shank Hole Cutter

Size Conversion

Inches

Centimeters

Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.

Specification:
Color: Golden+Red
Surface treatment: Titanium Plating
Triangular handle length:
4-12mm length: 6.3cm/ 2.48inch
4-20mm length: 7.3cm/ 2.87inch
4-32mm length: 10cm/ 3.94inch
Hex handle length:
4-12mm Hole Sizes in 2mm Steps (5 steps)
4-20mm Hole Sizes in 2mm Steps (9 steps)
4-32mm Hole Sizes in 2mm Steps (15 steps)

Features:
Made from high quality HSS steel.
Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.
3Pcs Hss Drill Bit Set, quality tool for jobs of all sizes.
Titanium coated to reduce friction and heat.
Heat treated and highly polished. Drills perfectly round holes in steel, brass, plastic, wood etc.
3 sided shanks design in order to prevent slippage when in chuck.
Two flute design provides faster, smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps.

Package Included:
3 x Drill Bit set