HSS SALE annular cutter(High performance version) DAHK-4

HSS SALE annular cutter(High performance version) DAHK-4 System 1

HSS SALE annular cutter(High performance version) DAHK-4

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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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HSS annular cutter(High performance version) DAHK-2

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DAHK-4

D.O.C. 50mm
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-40120	12*50
DAHK-40130	13*50
……	……
DAHK-40400	40*50‍

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Q:How to allocate the electric hammer drill: Electric hammer drill, is the "two function drill" and "hammer" handheld electric tool, "rotary cutting drill", with the impact of the impact mechanism of driving impact drill bit, drill driven in rotation at the same time, there is a direction perpendicular to the rotation of the rotary drill reciprocating hammer exercise. For concrete, brick, tile, marble and other materials drilling. "Hammer" to drive the impact force of drill rod, used for concrete, bricks and other materials on the slotting, holes or broken concrete etc..

Q:What is a square hole drill and can be machined square hole?: The three vertices of an equilateral triangle as the center, edge radius at the apex on the side arc, get leelo triangle. As it is easy to prove that the triangle leelo properties, its width is equal to the structural length of the equilateral triangle. The length of the triangle leelo width within the square rotates, each corner of the path traversed basically is a square.

Q:Carbide drills and high speed steel drills, which are suitable for working stainless steel?: High cutting force and high cutting temperatureThis kind of material has high strength, large tangential stress and large plastic deformation during cutting, so it has great cutting force. In addition, the material has a poor thermal conductivity, which results in the increase of cutting temperature, and the high temperature often concentrates in the long and narrow area near the cutting edge of the tool, thus speeding up the tool wear.

Q:What drills do we use to drill jade?: Process for drilling holes on the jade carving is the use of drilling needle method, with a needle, rotated on the jade carving, jade sand "," to grind a shallow pit on the surface, then the pit, until the jade material wear. The drilling period "jade sand" has been in the pit with rotating rubbing hole wall, so the upper hole than the lower part to bear "jade sand" friction, so that by this method to hit the hole, the hole is small in shape.

Q:How to use glass drills?: The drill bit is clamped on the ordinary hand drill, and the finger is used to select the lower speed of the switch. If you want to drill holes will not collapse, then drill a part from the side, and then turn over the surface drilled through.

Q:Relationship between bit diameter and rotation speed: If the bit is drilled at a low velocity, the drilling efficiency will be low due to the low line speed, and the drill bit will be easily broken due to the small size and the small strength of the drill bit. But because the bit in drilling, large diameter, high speed, line speed will be very high, the bit will be very easy to damage on sticky steel drill.

Q:At present, the strongest oil drill bit, the deepest can drill how many meters?: Oil well drilling machine is mainly used for exploration and exploitation of underground oil and gas resources. It is composed of derricks, winches, rotary tables, big hooks, overhead cranes, taps, drill pipes, drills and so on. The drilling depth is 2-15000 meters.

Q:What is the geometric angle of the drill bit?: The commonly used bit, roughly divided into rolling twist drill, full grinding drill, is divided into straight shank drills, taper shank drill and 1/2 drill, double auger, single head, short drill center drill, six angle shank drill, electric hammer drill, impact drill, the material can be divided into 4241# and 4341#. 9341#, M35, M42, 6542#, and alloy etc..

Q:Can HSS drill bits be drilled into stainless steel?: Yes, but it's best to have cobalt high-speed steel bit, but it's better to use a carbide drill. High efficiency and cost performance. We can make stainless steel special drill.

Q:M2.5 hit the bottom teeth with much bit: M2.5 is the diameter, you want to use this diameter to subtract the distance of the tooth, that is, the diameter of the drill. In the metric system, the distance of M2.5 is 0.45.

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