HSS annular cutter(High performance version) DAHK-2

HSS annular cutter(High performance version) DAHK-2 System 1

HSS annular cutter(High performance version) DAHK-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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DAHK-2

D.O.C. 25mm
Unit：mm
◎ Made of high quality & super tough high speed steel with multi-cut geometry for ply-cutting and lower friction to reach better endurance and less breakage . Applicable to hole cutting on hard-cut materials
◎ TiN or TiAlN coating are available upon request
◎ 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-20140	14*25
DAHK-20150	15*25
……‍‍	……
DAHK-20370	37*25
‍DAHK-20380	38*25
DAHK-20390	39*25
DAHK-20400‍‍	40*25‍

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Q: Can twist drills drill through wall tiles?: A drill bit (Drills) is a tool used to drill through holes or blind holes in solid material and to expand existing holes. The commonly used drills are mainly twist drills, flat drills, center drills, deep hole drills and casing drills. Reaming drill and countersink drill is not in solid material drilling, but it is also customary to put them in a bit.

Q: How to change the drill bit of impact electric drill?: Install the drill bit: or the handstand impact drill, the left hand down to the plastic ring, the right hand with the drill, rotating around the insertion

Q: What is a water bit?: Diamond engineering thin-wall drill bit adopts advanced sintering process with high performance price ratio. Drilling speed, high efficiency. It is recommended to use fixed drilling rig or hand drilling rig. Widely used in building, water, electricity, gas, heating, air conditioning, pipe installation hole hit the wall. Drilling, cutting and coring of expressway, airport runway, bridge and tunnel. Drilling of non-metallic hard and brittle materials such as stone, ceramics, etc..

Q: What measures can be taken to prevent the bit from breaking?: I. to drill through, reduce the pressure. Slow down. Two. Drill the bit into a group

Q: M6 threads need to drill much bottom?: M6 is generally 4.8 of the bottom, but I do find it hard to die when the attack!! So basically use 5 or 5.2!

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!!

Q: How about the speed of the drill bit and the feed of the cutter in the machining center?: 1:S= (1000 x cutting standard value) / (3.14 * tool diameter)The cutting tool standard value is supplied by the cutter supplierF according to cutting tool standard value. Measurement of feed per turn. I usually give D13 1300 RPM feed 250,2: faster than the above3:R6 knife milling 45# steel can give 800-1200 rpm F to 200-400. According to the depth to addition and subtraction.In fact, according to the formula to calculate, the feasibility is not high, you are not programmed to bring the tool standard every time, or, according to experience, it is better

Q: What size drills and taps are required for drilling M10's internal threads?: M10*1.5 (not considering tap tap for precision thread); if M10*1.25, with Phi 8.7 bit; M10*1.25 (without considering precision tap tap thread); if it is M10*1, with 9 bit;

Q: Grinding the drill bit, how can grinding, and the method of quick crash is what ah?: By the back edge grinding behind. This is the slow grinding of the entire flank from the edge of the bit. It is easy to dissipate heat and grind. Based on the stability of the consolidation of one or two of the formula, the drill can be gently contact for a relatively small amount of grinding wheel, grinding, grinding to observe the uniformity of the spark, to adjust the size of the pressure, and bit cooling. When the cooling start again after grinding, to continue to set the formula to the one or two position, it is often in the beginning is not easy to grasp, often can't help to correct change their positions.