Q:What method should we pay attention to when drilling small holes and long holes in plain drills?

When the bit is drilling the deep hole, the peak angle of the drill must be flattened so that it can drain the cuttings. In addition, when drilling, it is necessary to raise the drill bit and clean the drill bits in time, so as to prevent the bit from being squeezed by the chip, so that the drill bit is broken. Don't add too much coolant when drilling deep holes.

Q:How do I take out an electric drill bit?

Drill method for removing electric drill:The electric drill upside down on the ground (bit upward), left hand holding down the drill root plastic, the right hand holding the drill bit upward, provided when rotating around a bit can be taken out.

Q:What drill holes are used in stainless steel basins?

The cutting fluid is concentrated with emulsion. Stainless steel is not a high hardness, is a stronger toughness, while processing with some cooling oil drilling.

Q:I want to buy an electric drill with requirement is about 3MM bit penetration with ordinary bowl to eat what to buy an electric drill to much power and strength

Upstairs said good, the key in the drill bit. But the speed of the electric drill must be high, the line speed is fifty or sixty meters per second. The drill shall be ground into the negative rear angle, and no water can be added. No water can be added halfway. You can't stop over.

Q:Why not hammer drill iron

Electric hammer drill (electric hammer drill), is the "two function drill" and "hammer" handheld electric tool, "rotary cutting drill", with the impact of the impact mechanism of driving impact drill bit, drill driven in rotation at the same time, there is a direction perpendicular to the rotation of the rotary drill the reciprocating motion of the hammer. For concrete, brick, tile, marble and other materials drilling. "Hammer" to drive the impact force of drill rod, used for concrete, bricks and other materials on the slotting, holes or broken concrete etc..

Q:How can we change an ordinary drill bit into stainless steel?

Ordinary drill can also drill stainless steel, but the performance is a little bit worse, the use of cutting speed is slower, plus special cutting fluid or vegetable oil for cooling lubrication.

Q:What kind of drill bits are used in glass drilling?

Drill glass has special drill bits, steel sand drills.Use a twist drill to drill glass. The glass is easily broken and cracked. If you must use a twist shape, buy a milling cutter. It is not easy to use a milling cutter to drill holes in glass.If you buy high-speed steel twist drill is really qualified high-speed steel material, you can drill through the glass, if high-speed steel is not possible, you may consider carbide steel.Small steel sand drill bit will be about 3 yuan, cheaper, it is better to buy this thing.Of course, the diamond is also OK, just so expensive.

Q:What do you use for drilling walls?

You want to drill the wall can be used with drill impact drill bit iron. If you don't like the iron hammer can buy the drill bit, the difference between the head with Ukraine ladle head. The head with a shaped yellow color of that. You must push the drill to drill in and you too. Big words can not clamp any drill, below 8 may, if you drill is imported can hold 10mm. Do not go to buy a hammer that bit because it does not fit your electric drill.If you drill is also can be installed if the electric hammer drill, drill the domestic only below 8, imports 10.

Q:How big is the smallest bit?

The smallest bit: the diameter range of the blade 0.5-1.0mm.

Q:What's the difference between a twist drill and an impact drill?

Percussive drills work by rotating and impacting. A single shock is very slight, but a shock frequency of more than 40000 minutes per minute can produce continuous force. Used of natural stones or concrete. When the impact drill works, the drill chuck is provided with an adjusting knob, which can be adjusted in two ways: an ordinary hand drill and an impact drill. But the impact of drilling is the use of internal gear to achieve mutual beat of impact, but the impact is far less than the hammer. It is not suitable for drilling reinforced concrete.