30Pcs 0.4mm Diamond Coated Hole Saw Drill Solid Bits For Jewelry Gems Glass Tile Ceramic Marble Granite
The diamond coated hole saw suitable for use in drill hole on jewelry, gems, glass, marble, tile or granite.
Head Diameter : 0.4mm
The surface of head is covered with coarse diamond particles, so if you measure a different position of drill bit with a caliper, there will be a 0.1-0.2MM error
Usually the actual diameter of the drill is larger than the diameter of the advertisement 0.1MM, because the head diamond is worn during drill hole, the diameter of the bit will be change smaller by 0.1MM
Total length : 42mm (1-21/32")
Drilling depth: 2.5 mm depth
Shank diameter: 2.35mm (3/32")
Quantity: 30 Pcs
Material: Metal, diamond
Drilling speed: Drill a Hole In Seconds
Use with water as a lubricant
1. Please add water for coolant and drill slowly
2. start drill at 45 Degree to surface and align to 90 Degree as hole forms
3. Never use drills while machine is in hammer action.
4. Holes Require No Futher Work As Cutting Is Clean
We Can List Any Size (Head Diameter from 0.4mm - 3mm)& Amount Of This Product
Regular Air postage from China to Worldwide is FREE and takes 10-35 days delivery to your home
We will send out your order within 1-2 days after payment has been received and cleared. Please let us know if you are looking for other accessories or hardware. Should you have any queries, please contact me directly.