HSS-E annular cutter with Weldon shank DAHSK-2

HSS-E annular cutter with Weldon shank DAHSK-2 System 1

HSS-E annular cutter with Weldon shank DAHSK-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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DNHX(K)-2

D.O.C. 25mm
Unit：mm
◎ 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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Type	Size
DAHK-20120	12*25
DAHK-20130	13*25
……	……
DAHK-20650	65*25‍

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Q: 1.5mm iron plate, what drill can drill holes? You can drill?: In the drilling of drill plate is difficult, not be drilled into the drill bit in the polygon, use is very important, especially the hole of 8 mm above the best bit into a multi angle cutting edge row hole drilling is relatively good.

Q: Types of impact drills: There are two types of drill hole two groove round handle (usually produced abroad and anti hammer production abroad is used), four hole square shank (general domestic production of electric hammer used) and five bit six bit long pit, angle etc.. Hope to be of help to you.

Q: How to remove the electric clock bit: Press the outer sheath of the bit first, then pull out the bit.

Q: How to recognize the quality of twist drills?: General twist drill, a variety of points. It seems to be divided into two major groups. One is pumping out the twist, one is full mill. Now there is a knife bar slotted on top with knife particles. Called fast drilling, this is the high-speed processing of relatively large holes, pumping out the twist drill hardness is not so good, slightly better edge. As long as the mother material is good, the grinding accuracy is high. Now many are using this, relatively speaking, the price is much more expensive.

Q: How big bits are used for expansion bolts?: Know the expansion bolt diameter, can find out the tube diameter; the borehole diameter is slightly greater than the diameter of expansion pipe can be used, and expansion pipe of the same diameter aperture is slightly larger than the drill out tube diameter.

Q: Impact drill and electric hammer drill is what is the difference: Impact drill and electric hammer drill bit is different: the impact drill used, need to tighten the special key. Is the electric hammer drill for electric hammer, electric hammer drill with locking clip assembly, simple, without any tools.

Q: What drills are used in tapping 304 stainless steel?: Now on the market is generally a bit alloy steel material whole bit, although the materials are the same, but due to the processing technology, various brands of product quality disparity. Imported and domestic alloy drills are also very different. Imported alloy bit usually adopts VHM micro grain hard alloy (ISO K40), the type of ultrafine particles (0.6 m) in the application of high performance drill and ordinary milling machine, the hardness and toughness of the ideal together. Take high quality alloy bit surface coating, such as chromium aluminum nitride (AlCrN) coating, the coating layer of coating, the thickness of 4 m, the micro hardness is up to 3200HV, the friction coefficient of 0.35, thermal stability up to 1100 degrees celsius. After coating, the drill color is bluish gray. After coating, the alloy drill can process low alloy steel and high strength steel. High steel can reach 54HRC.

Q: What drill is best?: The drill bits are of high speed steel, of which 439365 are cobalt and cobalt is the best

Q: Construction drills, woodworking drills, high-speed steel drills, shapes and uses, what's the difference?: High speed steel drills, straight shank twist drills, taper shank drills. Equal shank drill. It doesn't make much difference. That is, the handle is different

Q: An expansion screw with a diameter of 20. How much impact bit do you need to use?: An expansion screw with a diameter of 20 requires an impact drill with a diameter of 26mm.

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