HSS-E annular cutter with Weldon shank DAHSK-2

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D.O.C.  25mm

Weldon shank , with more stable clamping for stable cutting and finish of holes
Additional one hole on the shank of cutters≤40mm , fit arbors with 19.05 bore as well as quick-change system
Made of super tough high speed steel with mulit-cut geometry for ply-cutting and lower feiction to reach better performance of endurance and removal of chips
Applicable to hole cutting and process of annular groove on various magneric drills and press , like Alfra , Hougen , Jancy , Euroboor , BDS , Ruko


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Q:Can twist drills drill through wall tiles?
If the bathroom has posted a good ceramic tile, and brick or cement is uncertain under the wall, first with triangular or cross drill drill drill tile in ordinary pistol, and then use the hammer drill or drill drill cement wall. Although you can achieve the function of impact drill hammer drill, but no more labor-saving electric hammer drill.
Q:How do we drill a tile with a thickness of 5mm glazed, without a glass bit, only the impact bit? What's up? The brick is attached to the wall!
If the tiles under not hollow cement, Tim is very full, can not grasp, if you should buy a special tile bit, namely triangular bits, it does not produce tremor phenomenon, easy positioning, cut resistance, opening soon, there are the ordinary chuck used on an electric drill to need to pay attention to slow speed in particular, is just beginning to open and slow speed when wearing. When in use, add coolant (not too much, but keep adding water). Drilling can be done on hard materials such as glass, stone and tile. 3MM-16MM have, but don't drill edge or side (away from 2 cm above tile seam), or to use the glass or diamond drill hole, is used to watch the speed slower (800-1000 revolutions per minute or so), continue to water cooling (don't need too much, but continue to add water) non dry drilling! High temperature friction, causing serious wear and tear, affecting the use effect!
Q:The difference between left and right drills used to drill holes
The use of left-hand drill, mostly because the machine tool design can not meet the needs of the right-hand bit, as some spindle can not meet the right-hand thread, you must use the left-hand thread. The specific situation is not practical, it is difficult to say too clear.
Q:Impact drill and electric hammer drill is what is the difference?
Both hammer percussion drill and drill function, it can be used when the hammer drill, and when. There are two kinds of drills. Impact bit can be divided into: straight handle impact bit, taper handle (oblique handle), impact drill and six angle handle impact bit. The utility model is used for loading and clamping the impact electric drill, drilling the concrete foundation, the wall, the brick wall and the granite, so as to install expansion bolts, plastic expansion pipes and other fasteners in the hole.
Q:Bit grinding, hair and technical requirements?
Factory general grinding drill bit is to drill, drill into the general R type, N type, in fact, a total of four grinding twist drill can drill point: X type, R type, S type, N type, in fact, the little bit into these kinds of significance, we all know the drill bit what is not worth the money, make money on it is the efficiency of above treatment can only guarantee the basic meaning of the drill grinding drill bit, and to want to drill efficiency, to the point of efforts to drill bit is related to efficiency.
Q:304 stainless steel material generally what kind of drill material processing?
304 stainless steel materials are generally processed by high-speed steel drill bit, carbide steel drill bit.
Q:1 inches of steel plate, what drill can drill through?
Mainly used in drilling machines, lathes, flashlights and other mechanical equipment for the processing of different diameter aperture. Generally speaking, twist drills are straight shank and taper shank twist drills. Straight shank drill: suitable for drilling diameter psi below 13.0mm small diameter, taper shank twist drill for aperture and torque big hole.
Q:Construction drills, woodworking drills, high-speed steel drills, shapes and uses, what's the difference?
A construction bit, a carpenter's drill, has the same diameter as a shank and is longer than a bit of a high-speed steel.High speed steel drill stem generally 3.175mm diameter, see need, more than 6.5mm rarely.The drill bits in 3 are of different materials
Q:Cobalt containing special stainless steel drill bit, 4mm angle, do not move?
No matter what drill, the head must be sharpened! The small drill can be struck because the front edge is well sharpened! And 8.5 of the drill bit can not drill through, because the drilling side of the two cutting edges did not grind out (front angle is lower than the back angle, resulting in non cutting! To grind to the rear corner, lower than the front corner!!!!!!!!. When the drill bit blade grinding, drilling 4mm angle, is very fast, also don't add coolant! (head color change, drill when there is a cry, two sides do not chip out, all the drill bit did not wear well), grinding drill bit is a learning, learning is not difficult. Learn to grind the drill bit and drill around with the 10mm to see the edges.
Q:What drill is best?
The general drill is HSS high-speed steel, and if a good point is high-speed cobalt containing steel, black should be treated by blackening! Black Brown should be TIALN coated!! This drill is usually not custom-made, at most, take the standard drill bit to make a TIALN coating!!

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