Portable HSS Spiral Grooved Reaming Drill for Wood Drilling Hole Electrician

Description:

Unique stepped structure, one drill bit can open a variety of sizes and apertures, and one stepped drill hits a box of drill bits.
No need to use center punch, which is not easy to break compared with ordinary twist drills.
It becomes possible to remove burrs, chamfers, expand elliptical holes, and twist drills.
Water cooling while working, can effectively extend the life of the drill bit, the recommended drilling speed is 250-400 rpm.
A single bit can be used to punch holes of various sizes.

Specification:

Length:6-25mm

Material:High Speed Steel

Size Chart:

25x83mm/0.98x3.27inch

Package Includes:

1 Piece Step Cone Drill Bits

Note:

1. Please allow slightly error due to manual measurement.
2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
3. Wish you a wonderful online shopping!