14 pieces/set 3-70mm diamond coated hole saw drill bit cutting for glass marble tiles

General Description

This hole saw drill bit set includes 14 pieces in various diameters ranging from 3 mm to 70 mm, designed for efficiently drilling materials such as glass, marble tiles, and plastic sheets.

Made from an advanced natural diamond material, these drill bits offer a smooth and durable construction, ideal for precise openings without chipping.

Technical Specifications

Available diameters: 3 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 18 mm, 20 mm, 30 mm, 40 mm, 50 mm, 60 mm, 70 mm. Recommended rotation speed: 800-1000 rpm

Installation

The drill bits must be installed on a professional drill, electric drill, or power drill.

Use

These drill bits are ideal for: Opening holes in glass Drilling marble tiles Working on plastic sheets and wood It is recommended to add water for cooling during operation to prolong the life of the drill bits and prevent excessive wear.

Other information

For best results, avoid applying excessive pressure to the sides and curves when drilling.

Ensure you have sufficient openings for cooling and lubrication. It is advisable to wear protective equipment when using.

The product may be sent as an old or new type, at random.