Description: JINGLING 2Pcs Diamond Hole Saw Core Drill Bits 12mm 15/32" inch for Marble Stone Granite Tile New Professional diamond marble hole saw core drill, made of high quality diamond with precision drilling speed and long life use Description: Product Name: Sintered Diamond Drill Bit Material: Metal, diamond Outer Diameter: 12mm (15/32" inch) Color: Gold Tone Quantity: 2 Pcs Application: Mainly used for drilling Marble, Granite ,Concrete and other hard material. Ideal for drilling the faucet mounting holes in stone countertops, plumbing lines in showers, and vanities We don't recommend drilling holes in smooth ceramics and glass, because it is difficult to complete the drilling operation, and the edge of the hole will chipping Method of Use: Use Wet or Dry To prolong its using life, must use with water for cooling and lubrication. Gold paints on the body of this bit to avoid getting rusty. Feature drilling stably, fast speed, not breaking the border. The hole saw can be used with bench drill, hand electric drill. When you using hand electric drill, start slowly, 45 degree angle, go vertical after you make an initial mark. How to use a hand drill to drill holes in the stone/tile?Step 1. The bit on the stone/tile 45 degree, open a half-moon notch on itStep 2. Slowly up the bit to 60 degrees, and then gently drillStep 3. Reached 90 degrees, continue to drillStep 4. Drill through the stone/tile finally, the technique requires a "wobble" of the drill rather that steady pressure straight onThe other considerations are depth, if you go more than the 1” or so the bit allows you will need to stop drilling and take a cold chisel to remove center section of limestoneWe will send out your order within 1-2 days after payment has been received and cleared.
Price: 12.99 USD
Location: FOSHAN, GuangDong
End Time: 2025-01-22T15:32:04.000Z
Shipping Cost: 0 USD
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Item Specifics
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money Back
Model: Diamond hole saw 12mm
Country/Region of Manufacture: China
Material: Steel
Type: Drill Bit
Color: Gold
Package Quantity: 2
Item Length: 80 mm(3-5/32")
Number of Items in Set: 2
Brand: JINGLING
Suitable For: Drill, Rotary Tool
Application: Drilling
Item Diameter: 12 mm(15/32")
