Hex Shank Twist Drill Bits Fully Ground with Rainbow Color
Product description
Proking high-quality fried dough twist drill is the best drill in China!
The high-quality HSS material with TiN coating extends the life of the drill bit and improves the cutting efficiency.
High cutting speed, high efficiency and long service life
Better design and accurate manufacturing ensure the stability and stability in the processing process.
Compared with impact drills, electric hammers require minimal pressure to drill into hard materials, such as stone and concrete; Especially relatively hard concrete. The electric drill only has a rotation mode, which is especially suitable for drilling holes on materials requiring very little force, such as cork, metal, brick, ceramic tile, etc. The percussion drill works by rotation and impact. A single impact is very slight, but the impact frequency of 40000 times per minute can produce continuous force.
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