Size:3/4/5/6/7mm(5pcs).This woodworking drill bit includes 5 sizes, different sizes can meet your different drilling needs.
This drill bit set for wood is made of a high-quality alloy as raw material. The process of oxynitride of the cutter head strengthens the drill hardness ultimate drill bits.
Full-grinding and anti-rust treatment, clean and sharp without burrs. The drill bit is more wear-resistant and more durable.
Small incision resistance feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily. , Glass Drill Bit.
Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, thin iron plates, mirrors, and glass. Remember to add water or coolant when drilling.
Shipping ✈ Please do note that shipping is insured and takes 3-25 business days worldwide. However, you may receive your items earlier. Tracking Numbers will be sent so you can track it every step of the way! Cool things are worth waiting for!