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Hole opening Diamond coated drill bits Hole Saw 6mm-60mm Useful High quality
Features:
*100% brand new and high quality
*Hollow glass drill bit is composed of high quality diamond material, which has the advantages of fast and uniform cutting speed, smooth cutting surface and no wrinkle.
* Very suitable for making clean and accurate holes
*Widely used in different occasions:
Drill glass, ceramic bottle, block jar, fiberglass ceramic tile, slate marble, granite pumice.
*Size and quantity:
8mm,10mm ,12mm ,14mm ,16mm ,18mm, 20mm ,22mm ,25mm ,26mm, 28mm, 30mm, 40mm, 50mm ,60mm each 1pcs 13Pcs 6mm
Tips:
A. Can be used with standard electric drill.
B. Do not use it in concrete or in places where the depth exceeds 1/2".
C. Start drilling diagonally, make a round trace, and then straighten the drill bit.
D. Always use water for lubrication, otherwise the diamond hollow drill will burn.
E. Reducing the drilling speed, lowering the drilling weight and increasing the use of water lubrication will greatly extend the service life of the drill bit.
Package Contents:
28*diamond coated drill bits
Note:
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.
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