Masonry Drill Bit Set,4 Count SawtoothEccentric Drill Bit Set,Industrial Strength Carbide DrillBit Tip,Suitable for allTiles,Ceramics,Glass,Marble,Concrete,Stainless Steel.

Product Name：Four-edge serrated hole opener

Material: Diamond + Carbide steel-YG6A

Diameter: 4 Inch-5 Inch (100MM-125MM)

Shank diameter: 6.35MM 

Bit diameter: 6-8-10-12MM

Applicable models: Hand drill

Quantity: 4 Pieces

Application range:

1. Dry hit: full tile, marble, granite, quartz stone, concrete block wall, wood, plastic

2.Wet hitting: stainless steel, iron plate, aluminum alloy, copper, glass

Features:

1. High-temperature tungsten carbide steel forging, super-strong alloy cutter head, high hardness and wear-resistant long service life

2. Double R groove, hexagonal handle diameter, can be highly coordinated with the clamping does not shake, not easy to throw out, safe and reliable

3. Enlarged spiral groove design, multiple chip removal grooves, can quickly dry hit, not burn the drill bit

4. Serrated curved diamond cutter head, with misalignment groove, wet and dry use, easy to locate the hole, strong impact resistance, sharpness and durability

Remarks:

1. Below 10V lithium batteries are not recommended, the force is too weak to hit into the

2. Marble / glass tile / stainless steel drilling need to add water to cool down, otherwise easy to burn the drill bit

3. Wall drilling must be replaced when encountering rebar, which will cause the edge to crack