[MATERIAL]- Diamond coated high speed steel(HSS) is made by spiral technology, has both toughness and hardness, is not easy to break. The drill bit is sharp, and is easy for chip removal.
[APPLICATION]- Suitable for drilling small holes on glass, metal, sea shells, jade, pearls, marbles, stones, drywalls and son on. Due to the different hardness of the material, the effect is also different.
[NOTICE]- When drilling, it is necessary to add cutting fluid in time to lubricate and cool down, which can get a better drilling hole wall, extends the service life and drilling accuracy.
Shank Diameter: 1.0mm / 0.04 inch
Drill bit Diameter: 1.0mm / 0.04 inch
1. Cannot be used for drilling wood. Diamond drill bit will generate a lot of heat during high-speed rotation, and the heat will burn the wood.
2. Low-speed drilling is very easy to break the drill bit or causes the diamond particles to fall off.
3. To prevent the drill from slipping, keep the exposed part of the drill bit as short as possible to enhance the strength of the drill
Colour: silver
Material: diamond
Package Contents:
20 x Diamond Twist Drill Bits
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
