HSS annular cutter(Practical version) DBHX(K)-2 D.O.C. 25mm

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D.O.C.  25mm


◎ Made of national-standard high speed steel with multi-cut geometry for ply-cutting to reach better 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

Annular Drill

1. Weldon shank, with more stable clamping for stable cutting and finish of holes.

2. Additional one hole on the shank of cutters ≤Φ40mm, fit arbors with 19.05 bore as well as quick-change system.

3. Applicable to hole cutting and process of annular groove on various magnetic drills and press, like Alfra, Hougen, Jancy, Euroboor, BDS, Ruko.

4. Made of high-performance high speed steel., e.g. M2, M2AL, M35, M42 etc. And can be used on various materials, like steel plate, Copper, aluminium, cast iron, stainless steel and plastic. 

5. The specifications from the Φ12mm to Φ65mm, depth of  cut from25mm, 35mm, 50mm, 75mm and 100mm.


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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:The installation method of the electric hammer drill?
Installed before the first drill, electric hammer drill chuck down below the eye in the end, the drill chuck and eye separation (and when necessary to drill chuck on the eye piece to mention) will be inserted in the end bit to the eyes, and then release the chuck let it return. After installed, the lift hammer bit hard top on the wall or ground test drilling, if a clear sense of the impact that the drill bit installed in place. Otherwise you'll have to reinstall it.
Q:What is countersunk drill, flat head drill?
Countersunk drill: it is a well formed drill bit that is basically used for machining countersunk headsA drill bit used to hide six square screws
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:How big are the 8 bits that have worked up?
If 8mm's expansion pipe uses a drill with a diameter of 8mm, if it is a 8mm expansion screw, use a drill with a diameter of 12mm.
Q:Drill bit specifications
The drill bit is also called the engineering thin-wall drill bit.There are many models, usually from 18mm to 350mm. The length is 370. Four hundred and fifty
Q:Angle action and characteristics of standard twist drill
The main deviation angle is RM, and the main angle is the angle between the tangent of the main cutting edge and the feed direction of the m. The base surface of the twist drill is the plane at which the main cutting edge is selected, including the axis of the drill bit. The bit is not the main cutting edge through the axis line, so each point on the cutting edge of different base, the main angle points are also different. When the angle of grinding, the main angle can be determined. The main deflection angle and the vertex angle are two different concepts.
Q:How many diamond grinding wheels should be used for an alloy bit?
I don't know what machine you're grinding on. Generally 120 items are enough. My clients are 120
Q:Carbide drills and high speed steel drills, which are suitable for working stainless steel?
Serious work hardeningAustenitic stainless steel and some high alloy stainless steel is austenite, high work hardening tendency when cutting, usually plain carbon steel several times, the tool in hardening region cutting, shortening tool life.
Q:What are the tools, drills, and any of the machine tools made of?
High speed steel means containing more tungsten, chromium and aluminum alloy elements such as the tower of metalwork of steel, commonly known as steel or stainless steel.The machine is characterized by simple manufacture; high hardness (63 ~ 66HRC), wear resistance and heat resistance (about 600 - 660 C); have sufficient strength and toughness; have good craft; can bear greater impact; tool manufacturing complex shape, such as special lathe tool, milling cutter and drill, broach and gear cutter; but notIt can be used in high speed cutting. Grades and properties of commonly used high speed steel.The hardness of high speed steel after quenching is HRC63 ~ 67, and the red hard temperature is 550 ~ 600 DEG C, and the allowable cutting speed is 25 ~ 30m/min.The bending strength and impact toughness of high speed steel is high, can be cast, forging, welding, heat treatment and machining, has good grinding performance, the grinding quality is high, so it is used to manufacture complex shape of tools, such as drill, reamer, milling cutter, and also used for low speed machining tool and forming turning tool.Commonly used high-speed steel grades are W18Cr4V and W6Mo5Cr4V2 two.

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