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Feature

High-quality materialsIt is made of high quality YG6X alloy as raw material. The process of oxynitriding of the cutter head strengthen the drill hardness.
Surface electrophoretic paint process: Full-grinding and anti-rust treatment, clean and sharp without burrs.T he drill bit is more wear-resistant and more durable .Fully automated polishing: Polished CNC is fully automated, each one is unified.
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.
Wide Application: Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, china, mirrors and glass. Remember to add Water or coolant when drilling.
8 different sizes:8 pieces fine grade high durable drill bits that is 3mm ,4mm 5mm, 6 mm,7mm, 8 mm,10 mm, 12 mm fit your different needs . Can be installed in the general electric hand drill, bench drill, . The machine drill clamp range is 10mm and above.

Description

8 Piece Concrete Drill Bit Set, Mgtgbao Upgraded Carbide Masonry Drill Bit set for Concrete/Ceramic Tile/Brick/Wall/Plastic/Wood/Glass.(3-12mm)

Mgtgbao Drill Bit Usage :
Cross cutter head design can Suitable for drilling hole easily penetrate various material (concrete, ceramic tile, brick, wall, wood, plastic, soft metal, masonry and drilling fastener holes in bathroom tiles, or wall mirrors,etc) and reduces breakout.

New upgrade, dry-working alloy drill:
The traditional drill bit needs to add water to work, but this drill bit can directly feed the drill without adding water. ( When drilling, use water for cooling. The drill bit will last longer )

New electrophoretic paint process:
The drill bit adopt a new electrophoretic paint process, abandoning the traditional spray process, processing anti-rust treatment, and make the drill bit more durable.

Specification:
Material: YG6X hard alloy
Color: black drill bit
Handle:1/4" Hex shank
Process:electrophoretic paint

8PCS Dill Bit Dimension:
3mm(Dia) x 73mm(L)
4mm (Dia)x 74mm(L)
5mm(Dia) x 75mm(L)
6mm (Dia)x 76mm(L)
7mm(Dia) x 77mm(L)
8mm (Dia)x 78mm(L)
10mm(Dia) x 82mm(L)
12mm(Dia) x 95mm(L)

Packing Includes:
8x Concrete Drill Bit

Important Note:
Do not use impact mode of drills or hammers when use the Multi-material Drill Bit.
The drilling speed of the Multi-material Drill Bit should be slow, especially in the beginning of drilling.
Please try to keep the drill vertical and add WATER or COOLANT for lubrication when drilling.

Warranty:
When you have any problem about the drill bit, please contact Mgtgbao customer service team in first time, we will help you solve it in 12 hours.