HSS-E annular cutter with fein thread shank DNHL-4

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10 pc
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5000 pc/month

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Product Description:


D.O.C.  50mm
M18*6/P1.5 thread shank , Suitable on Fein magnetic drills
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


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Q:What size drills and taps are required for drilling M10's internal threads?
Tap with M10*1 tap (not considered the accuracy of thread); if it is M10*0.75, use Phi 9.2 bit; tap with M10*0.75 tap (not considered the accuracy of the thread level).
Q:What drill does 42CrMo use to drill better?
Carbon structural steel 42CrMo, with ordinary high-speed steel drill bits can be larger, with 60 holes, first with a drill hole, then the reamer drill bottom hole expanding.
Q:Tap with 5 taps. How many drills are drilled?
Calculation formula:The workpiece is a brittle material (cast iron, bronze, etc.): the bore diameter is D=d- (1.04 to 1.08) tThe workpiece is made of plastic material (steel, copper, etc.): bore diameter is D=d-tD: nominal diameter of thread, t: pitch, unit: mm
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:To do the M4 screw hole, what size holes must be drilled first?
According to my experience in the industry, since you are an aluminum piece, you should use kerosene or kerosene and cutting fluid when you tap. This will make the tapping more smooth and protect the tap and thread. In addition, the general aluminum pieces should be steel wire screw, otherwise, the teeth are easily broken.
Q:The difference between left and right drills used to drill holes
The use of left-hand drill, mostly because the machine tool design can not meet the needs of the right-hand bit, as some spindle can not meet the right-hand thread, you must use the left-hand thread. The specific situation is not practical, it is difficult to say too clear.
Q:What's the material composition of the electric hammer drill?
Hard alloy with high hardness, strength and toughness, good wear resistance, heat resistance, corrosion resistance and a series of excellent performance, especially high hardness and wear resistance of it, even at a temperature of 500 DEG C also remained unchanged, at 1000 degrees C still have high hardness.
Q:I want to buy an electric drill with requirement is about 3MM bit penetration with ordinary bowl to eat what to buy an electric drill to much power and strength
The key is to fight through the bowl bowl bit, because of high hardness, ordinary drill is not moving, you can drill glass to the hardware store to buy 3mm, the diamond, the price of two or three yuan 1. The electric drill does not need high-power, ordinary 6mm flashlight can drill, remember to add water when drilling, or the drill will be accelerated because of overheating wear.
Q:How about the speed of the drill bit and the feed of the cutter in the machining center?
1, if I first drill with D13 bit (S600, F80, Q5), and the rest of all milling cutter hole2, casting and steel parts almost turn, the speed can be faster. After 28 of the hole points, use 28 bit S300, F50, Q3. directly3, 35r6 direct spiral down, layer below 0.5-0.8, S1500, F2000-3000
Q:The difference between steel teeth and inserted cone bit
The inserted three bit bit is a new kind of wear-resistant material with high strength and high toughness alloy tooth and steel tooth bit surface. It can increase the drilling speed of the bit while maintaining the high mechanical drilling speed of the steel tooth bit. Different specifications of cone bit, three cone bit, Jianghan rock bit, drilling wells with cone drill, oil cone bit, mine rock bit, geological rock bit, gas wells cone bit, PDC bit, diamond bit, imported composite drill, 5 wing PDC drill bit, 4 wing PDC drill bit, 8 blade PDC bit.

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