Ningbo Alite Lighting Technology Co.,Ltd , https://www.alite-tmwt.com The product of our factory, the packaging splint for packaging, is made of red pine, 14mm thick, with a number of φ38mm round holes. It was originally drilled on a rock wall drill with an ordinary φ38mm drill bit, and the effect was very poor. Cracks, burrs, etc. appear, and the appearance is very rough. Now use a special drill bit (see picture), which is used
Wood board drill