TCT annular cutter with Universal shank DNTC-6 D.O.C. 100mm

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D.O.C. 100mm


◎ Universal shank for various magentic drills

◎ Select special-purpose carbide tips with multi-cut geometry for ply-cutting and lower friction damage of tips and improved performance of ships removal

◎ Applicable to hole cutting and process of annular groove on various magnetic drills and press

Annular Drill

1. Weldon shank, with more stable clamping for stable cutting and finish of holes.

2. Additional one hole on the shank of cutters ≤Φ40mm, fit arbors with 19.05 bore as well as quick-change system.

3. Applicable to hole cutting and process of annular groove on various magnetic drills and press, like Alfra, Hougen, Jancy, Euroboor, BDS, Ruko.

4. Made of high-performance high speed steel., e.g. M2, M2AL, M35, M42 etc. And can be used on various materials, like steel plate, Copper, aluminium, cast iron, stainless steel and plastic. 

5. The specifications from the Φ12mm to Φ65mm, depth of  cut from25mm, 35mm, 50mm, 75mm and 100mm.


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Q:How to use glass drills?
The bit rotates about the vertical shaft and moves in the axial direction. The soil is cut under the action of the torque and axial force of the bit, and is crushed and crushed by the compression and centrifugal force of the working blade, forming the earth flow toward the wall and ascending to the surface along the page. When the soil flow to the pit wall barrier at the time, due to the centrifugal force around the broken soil thrown into the pit, to complete the whole process of digging.
Q:What drills are used in stainless steel drilling?
Usually use the most commonly used high-speed steel twist drill, then the horizontal edge length, edge of the anterior horn of the dots can be repaired. On condition that the chip can be removed and removed, the cutting environment can be improved. At the same time, select smaller cutting parameters and adequate coolant.
Q:What's the difference between full mill and rolling twist drill?
The mill is the whole cutting molding drill, rolling is half full grinding material pressure after a long drill, the above material is less than half, so the hardness will be affected, anyway, the rolling twist drill is not good! Without the use of, respectively, rolling and full grinding, just look at the groove can be, there are obvious texture grinding marks are all grinding, and, conversely, messy, irregular rolling.
Q:What drill can be used to break through high strength stainless steel plates?
Diamond bit, absolutely good, it depends on you do not have to use up
Q:1 inches of steel plate, what drill can drill through?
1 cm steel plate? 5 cm steel plate, I have drilled, with ordinary drill, you own improper operation, steel plate to be fixed, must not move, do not force too much, the speed is not too high!
Q:What is the maximum diameter of the drill bit 1500W heavy hammer?
Electric tools, electric hammer is a kind of electric drill, mainly used for drilling in concrete, brick and stone on the floor. Professional on the wall, concrete, stone top drilling, and multifunctional electric hammer, adjusted to the proper position with appropriate drill can replace the ordinary electric drill, electric use. The hammer is in drill on the basis of increased by a motor driven piston crankshaft, in a cylinder of reciprocating air, which is in the air pressure in the cylinder cycle changes, changes in air pressure to drive the hammer hit the top of the cylinder reciprocating drill, if we use a hammer percussion drill. Named hammer!
Q:The threaded hole M5 general drill big bottom
General drilling screw threads diameter can be directly check the manual or by the following formula:Brittle materials (cast iron, bronze): bore diameter D=d (thread outside diameter) -1.1P (pitch)Plastic material (steel, copper, etc.): drilling hole diameter D=d (L thread diameter) -P (pitch)
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
The key is to fight through the bowl bowl bit, because of high hardness, ordinary drill is not moving, you can drill glass to the hardware store to buy 3mm, the diamond, the price of two or three yuan 1. The electric drill does not need high-power, ordinary 6mm flashlight can drill, remember to add water when drilling, or the drill will be accelerated because of overheating wear.
Q:What drill heads are used to drill holes in diamond heads?
General screw drill or tungsten steel, tungsten steel twist drill.
Q:What steel blade drill bit, hardness above 70
1, steel blade with steel drill bit.2, steel alloy steel is a kind of complicated, containing tungsten, molybdenum, chromium, vanadium carbide forming elements. The total amount of alloy elements is about 10 to 25%. It can maintain high hardness at high temperature (about 500 DEG C) in high speed machining, and HRC can be higher than 60. This is its main characteristic - red hardness, which can be used to make cutting tools. The Rockwell hardness of tungsten series and molybdenum high speed steel can reach over 63 after proper heat treatment. Because the steel is too hard, so can not bend, a love fold, it is difficult to punch.

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