💎 SI FANG Diamond Drilling Extraction Tool Review

▲【High Quality】Diamond coating enhances the drilling speed, which makes the bit more sharp; These hole saws feature thicker walls to minimize loss and improve durability. ▲【Feature】10 Percent Longer (deeper) Than Most Product . You Can Drill Through Thicker Materials With Our Tools With Hard And Sharp Material To Cut Faster Than Previous Hole Saws. Drilling Stably, Fast Speed, Not Breaking The Border, To Prolong Its Using Life. ▲【Precautions】Use water to cool the drill bit to avoid burns to the cutter head. The effect of not adding water is worse than the effect of adding water. The operation should be stable when drilling, do not bend and shake to advance. ▲【General Usage】Used for drilling holes in materials such as marble, concrete, ceramics, granite, etc. with fast drilling speed, no edge collapse, long service life, round aperture. ▲【Dimension】Material: Metal, Diamond,Hole Saw Size:100mm,Applicable Rotate Speed: 800-1000 rpm,Color: Gold.