Marble Drill Bits Ceramic Hole Saw Tipped Granite pumice 20pcs Set | Инструменты

Marble Drill Bits Ceramic Hole Saw Tipped Granite pumice 20pcs Set | Инструменты

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.

*Choose from 20 common sizes (4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 32mm, 35mm, 38mm, 40mm, 50mm) to meet the requirements.

* 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.

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:

20*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.