In the work of electric drills, when we need to carry out drilling construction, we often encounter the situation that the depth of drilling is uncertain. If the depth of drilling is deep, it may cause damage to the material and structure, and if the drilling is submerged, we have to carry out secondary drilling. It is often a great waste of time to stop drilling and work efficiency. This design uses red, yellow and blue to dye the drill bit. Each color can be changed to 2cm,3cm, etc. according to actual requirements. When drilling during construction, we can judge how deep it is by looking at the deep color of the drill bit, which increases the work efficiency and ensures the accuracy of the construction.

Year
2016

Designer
Peng Wang, Yunyao Gu, Qi Qiu, Wenjie Zhou, Yang Chen