HSS annular cutter(High performance version) DAHK-2
- Ref Price:
-
- 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
| 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 |
- Q: What are the differences between the center drill and the twist drill in its structure and use?
- A twist drill is a tool for cutting round holes in a workpiece by rotating it in a relatively fixed axis. It is named because of its shape of spiral groove. The spiral groove has 2 grooves, 3 grooves or more grooves, but the 2 groove is the most common. The twist drill can be held in manual, electric, hand-held drilling tools, or drilling machines, milling machines, lathes and even machining centers. Drill materials are generally high speed tool steel or carbide.
- Q: How do I take out an electric drill bit?
- This kind of electric drill in your picture makes the end of the drill (zigzag) and the electric drill connect to the direction of the electric drill, then you can take it out
- Q: What measures can be taken to prevent the bit from breaking?
- Especially in the hole is drilled, the drill tip has been exposed to the bottom surface, the feed speed must be slowed down, feed pressure must be reduced. In addition, if the drill is not fast, do not force to continue to use, so that the most likely to break the drill bit.
- Q: CNC machine tools I use 6.5 bit drilling out is 6.7, what method can be solved?
- Also, bit clamping and grinding will also affect the drilling size to varying degrees.Remedy is:1, the size of the hole strict requirements of the workpiece, you can drill after the hinge.2, the hole size requirements are not too strict, with 6.5 or 6.6 drill directly drilling. In mass production, the first workpiece must be measured and checked.
- Q: How do you drill a sharpening bit?
- 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 formula one or two to consolidate stability, this bit can be gentlyContact grinding wheel, a small amount of grinding, grinding, to observe the uniformity of the spark, to adjust the size of the pressure, and pay attention to the cooling of the drill. When the cooling start again after grinding, to set the position of the one or two formula,This is often difficult to master in the beginning, often involuntarily change the correctness of its position.Formula four: "the next swing tail don't tilt." This action is also very important during the sharpening of the drill, and the students often change the "up and down" into "up and down" in the process of grinding so that the other main blade of the drill is destroyed. withThe tail of the drill can not be raised above the horizontal center line of the grinding wheel, otherwise it will cause the edge to be dull and can not be cut.
- Q: By drilling with a bit, why is the hole drilled straight 2 larger than the diameter of the drill?
- Drill bit, drill out of the hole than the drill diameter, because drilling cuttings will increase the extrusion aperture; at the same time, for the convenience of a chip it is necessary to improve bit will increase; if the concentricity is not good, it will increase more.
- Q: M6 screws should drill big holes
- 1.M6 need to drill 4.8mm hole thread. Calculation method:2. generally speaking, the diameter of the Gong bolt multiplied by 0.86 is the diameter of the hole to be drilled.3.M6 thread refers to the nominal diameter of 6mm coarse tooth common thread.
- Q: What's the angle of a standard twist drill?
- How much is the standard twist drill angle - 118 degrees, drawing (the threaded hole is a blind hole at 120 degrees) according to the draw.
- Q: What is the drill bit of the percussion drill, please?!
- Percussive drills work by rotating and impacting. Percussive drills work by rotating and impacting. A single shock is very slight, but a shock frequency of more than 40000 minutes per minute can produce continuous force.
- 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.
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HSS annular cutter(High performance version) DAHK-2
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 5000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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