Feature

●Increase the cutting speed through automatic centering to prevent walking
●Made of high quality HSS steel is ideal for cutting holes in various materials, including steel, brass, wood, plastic, etc.
●3 pieces of Hss drill bit set, high-quality tool suitable for various scale operations Titanium coating can reduce debris and heat
●After heat treatment and highly polished. Round holes are perfectly drilled in steel, brass, plastic, wood, etc.
●3 Side handle design, to prevent the chuck from slipping when the two grooves are designed to cut each step faster, smoother and cleaner, and clearly mark the depth diameter of the step length


Description

Remove debris faster and discharge particles easily
100% quality
Made of high quality HSS steel
It is ideal for cutting holes in various materials, including steel, brass, wood, plastic, etc.
3 sets of Hss drill bits, suitable for high-quality tools of all sizes
Titanium coating reduces sundries and heat
After heat treatment and highly polished. Round holes are perfectly drilled in steel, brass, plastic, wood, etc.
3 Side handle design to prevent slipping when the chuck
Two groove design can cut each step faster, smoother and cleaner, and clearly mark the depth diameter of the step

length:
4-12mm length: about 6.7 cm / 2.64 inches
4-20mm length: about 7.4 cm / 2.91 inches
4-32mm length: about 10.2 cm / 4.02 inches

The tool dimensions are as follows:
4-32mm: (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm) 15 steps
10 steps
4-20mm: (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 9 steps
4-12mm: (4mm, 6mm, 8mm, 10mm, 12mm) 5 steps

Package Included:
3 *Step drill
1*bag
Or
1 * 4-32mm step drill