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
Stainless Steel Handrail Square Lines
Stainless Steel Handrail Square Lines,Fence Square Glass Clip,Square Handrail Glass Clip,Guard Rail Handrail Glass Clip
Ningbo Unikim Metal Products Co., Limited , https://www.unikimrailing.com