• HSS SALE annular cutter(High performance version) DAHK-4 System 1
  • HSS SALE annular cutter(High performance version) DAHK-4 System 2
  • HSS SALE annular cutter(High performance version) DAHK-4 System 3
HSS SALE annular cutter(High performance version) DAHK-4

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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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

Type
Size
DAHK-4012012*50
DAHK-4013013*50
…………
DAHK-4040040*50


Q: What drill is used for machining holes with a diameter of 3mm?
For the steel parts which require fine matching, it is recommended to drill holes with a twist hole smaller than 3mm and then drill with a 3mm bit to ensure the accuracy of the hole. As for plastic, cardboard or copper material, the aperture will be retracted. The drill bits which are slightly larger than the diameter of 0.10mm are generally used. If the machining requirements are strict, it is better to drill rough first. For example: first drill with 2.5mm bit, and then use 3mm bit reaming, so that you can guarantee the accuracy of aperture.
Q: What's the difference between white, black, and yellow twist drills?
The yellowish brown drill, called cobalt cobalt drill in the industry, is the unspoken rule of the drill. Cobalt containing drills were originally white, produced by grinding, and when they were atomized at the later stage, they were made of yellow brown (commonly called amber), which is the best in circulation. M35 (Co 5%)
Q: Tap 10 taps, what size drills do we use?
In general, with nominal diameter equal to the diameter of the bottom hole pitch reduction. 10-1.5=8.5, that's 8.5. However, if the quarterly demand is high, follow the formula below:D1=d-5H/8 H=0.866p:D1-- drilling diameterD - thread diameterH - theoretical height of threaded teethP - pitch
Q: Tap is M14-H2, drill with big bit
In practice, the thread material is different, the bottom diameter is different: Iron and steel parts are different, coarse and fine teeth are not the same, the habit of hand tapping and drilling tapping are not the same. Standard pitch M14 thread is 2, so the threaded hole diameter of 12, to select 12.20 pieces of steel, there are two kinds of specifications of fine teeth: a pitch of 1.50 or 1, the corresponding threaded hole diameter is 12.60 and 13.10.
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: How long the hand-held electric hammer drill
Hammer is portable!Electric hammer drill know there are 1.2 meters, the longest not seen don't know
Q: The difference between left and right drills used to drill holes
There are very few places to use left-hand drills:1, the modular machine tool porous drilling gearbox design, due to local restrictions can not change the direction of the wheel, only left-handed drill.2, when the attack left hand thread need to drill hole, plane moment is easily broken by alternating reverse gear, left-hand drill.3, drilling thin-walled parts will appear spiral line, can be left hand bit repair.4, some of the spindle is subject to restrictions, can not use the right-hand bit.
Q: How to distinguish between electric hammer drill bit used
Use the hammer drill is hard alloy, like welding, while the impact drill bit is high speed steel, is one of the.
Q: Carbide drills and high speed steel drills, which are suitable for working stainless steel?
Carbide drills are suitable for high speed steel
Q: How can the gun drill be unloaded?
You have to decide what is the drill or hammer. The drill is to use special wrench with teeth, no special wrench, can this tooth clamping cone drill, with a metal rod inserted in the cone under Kong Zhong, one hand holding forceps, a metal stick, twist, it fell. Hammer, seize the clamp bit press back at the same time, on the other hand, pull forward, will be able to take off.

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