HSS-E annular cutter with universal shank DNHC-2

HSS-E annular cutter with universal shank DNHC-2 System 1

HSS-E annular cutter with universal shank DNHC-2

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 10 pc

Supply Capability:: 5000 pc/month

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DNHC-2

D.O.C. 25mm
Unit：mm
◎Universal shank for various magentic drills
◎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 magnetic drills and press.

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Type	Size
DNHC-20120	12*50
DNHC-20130	13*50
DNHC-20140	14*50
DNHC-20150	15*50
……‍‍	……
DAHK-20580	58*50
DAHK-20590	59*50
DAHK-20600	60*50
DAHK-20650‍‍‍‍‍‍	65*50‍

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Q:What are the brands of homemade twist drills?: You drill stainless steel, you can try the square King's kind of fully polished red box. Iron, ordinary steel plate with yellow box. Relatively speaking, the price will be good. If you're rich, buy an old job or go to work. In addition, foreign brands in addition to M42 material is indeed not domestic, the other are domestic manufacturers processing. It has many big clients in foreign trade. Of course, you can also choose some small manufacturers of products, good luck can also buy the same quality products. Twist drill is so, set angle is greater than the material. Because I used the system to bake yellow, the square king used to drill stainless steel drilled 30 holes, so recommend it. His whole grind should work better, and the price is much more expensive than that of huang.

Q:How big a drill bit does the M6 screw hole need?: M6 drilling, according to 0.85*6---0.9*6, this is a bit to see what interval selection, but also the rest of the material, and to what degree of precision, such as the country with the more stringent requirements you should check the mechanical manual hole base shaft tolerances, and the material is also related to comparison large, such as electric drill is to use wood to choose a smaller bit.

Q:Bit grinding, hair and technical requirements: A standard twist drill is a very common drill tool. The utility model has the advantages of simple structure and convenient sharpening, but it is not an easy task to sharpen the grinding method and the skill well.Factories also have such a situation, the work of more than ten years of workers, grinding well, twist drill also quite a lot. What is the reason for this? The key is methods and techniques. If the method is mastered, the problem will be solved.

Q:How do the new pros and cons drill the drill bit without the key?: There are two ways to unload and unload manually:Methods: hand unloading drill drill handle on the ground, pine along the direction of the drill bit to find a hard thing with the hammer hit, the release, remember that it is right to bear left loose, otherwise it will be more and more tightly card.The method of using a card or key to pry it open:(1) card: the electric drill is lifted and the clasp is removed to remove the drill bit;(2) bevel key: remove the bit by pressing the key with an anti clockwise ring, then the drill ring can be taken out.

Q:What drills do we use to drill jade?: Use of modern ultrasonic drilling machine, the principle of high frequency vibration generated by the ultrasonic wave, the small needle drill under high speed moving, driven by abrasive drilling. Due to the small drill needle does not rotate, just move up and down reciprocating frequency. Therefore, the quality of drilling is very high and the holes are evenly distributed up and down.

Q:What bit is better for drilling 304 stainless steel?: Drilling 304 stainless steel with an ordinary high-speed steel drill can be done, but note the requirementThe sharpening angle of the drill must not be less than 110 degreesThe angle of the drill should be symmetricalDon't be too sharp edge cutting is not easy.

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:Can an electric drill bit a wall?: Hammer: single wall drilling tool. Compared with the percussive drill, it is much higher than the impact drill;

Q:By drilling with a bit, why is the hole drilled straight 2 larger than the diameter of the drill?: The drilling depth - to determine the guiding edge and drilling parameters of the drill: shallow ordinary drill, a set of parameters, if more than 10 long deep hole diameter ratio, cooling the drill bit will choose to guide blade, and soon after the first slow step feed, with 2 sets of parameters, the other through hole, then reduce the parameters in the proposal through;

Q:14 what big expansion wire does the drill use?: Sleeve type, is ordinary, cheap price, M10 D12, M12 D14, M16 D20, the biggest drawback is to put the bolt can be placed in fixed equipment, if equipment base fixed hole heavy equipment, then put the bolts in any case not put in equipment.

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