Mũi khoan hình lục giác chữ thập bằng hợp kim cacbua chuyên dụng khoan lỗ 3 / 4 / 5 / 6mm cho gạch men / kính

Cross Hexagonal Ceramic Tile Drill For Glass Ceramic Concrete Carbide Hole Opener Brick Alloy Triangle Drill 3/4/5/6mm Feature: 1、UNIQUE CROSS ANGLE DESIGN：Small incision resistance,feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily. 2、WIDE USAGE：Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, thin iron plate, mirrors and glass. Remember to add Water or coolant when drilling. 3、DIFFERENT SIZES：Suitable for your different needs.It Can be installed in the general electric hand drill, bench drill. The machine drill clamp range is 10mm and above. 4、Widened spiral chip chuteWhen working at high speed, increase the discharge of waste toprevent blocking the hole. 5、Anti skid hexagonal handle 6.35mm. Specification: Materials: Cemented Carbide Product Size: 3/4/5/6 Package include:  1 pcs Drill