4mm Hardened Triangle Shank Tungsten Carbide Drill Bits For Hardened Steel

Tungsten Carbide Hardened Steel Triangle Drill Glass Tile Drill Bit

1. Premium materials: This drill bit for wood is made of high quality alloy steel as raw material. The process of oxynitriding of the cutter head strengthen the drill hardness ultimate drill bits.
2. Professional technology: Full-grinding and anti-rust treatment, clean and sharp without burrs makes it more wear-resistant and more durable.
3. Advantages: drilling stably,fast speed,not breaking the border.Opening neat, smooth, no broken edges,no tremor phenomenon,chip easily.
4. Concrete Drill Bit Set: Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles,marble,thin iron plate,mirrors and glass.
5. Remember to add Water or coolant when drilling to get better efficiency and longer service life.

Specification

There are various types of drill bits. There are two types of drill bits: twist shank and straight shank. We are a professional drill manufacturer with guaranteed quality

Application

Precautions

1. When use to drill materials with high hardness, pay attention to add water and cool it.
2. When drill holes,ensure to adjust the drilling depth.
3. After use,wipe the surface stains of the bits to extend its service life.
4. After the installation is completed,it needs to be idled to confrim that there it's tightly held already.

Real Product

4mm tungsten carbide drill bits for hardened steel

tungsten carbide drill bits for hardened steel

Hardened triangle shank drill bit

4mm Hardened Triangle Shank Tungsten Carbide Drill Bits For Hardened Steel Images