TCT annular cutter with Weldon shank(Version P) DNTP-4

TCT annular cutter with Weldon shank(Version P) DNTP-4 System 1

TCT annular cutter with Weldon shank(Version P) DNTP-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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DNTP-4

D.O.C. 50mm
Unit：mm
◎ 31.75 weldon shank for clamping strength and finish . Suitable foe large cutter above Φ61mm
◎ Selected special-purpose carbide tips with multi-cut geometry for ply-cutting and lower friction . Reduced damage of tip and improved performance of ships removal
◎ 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
DNTP-40610	61*50
DNTP-40620	62*50
DNTP-40630	63*50
……‍	……
DNTP-41400	140*50
‍DNTP-41450	145*50
DNTP-41500‍	150*50‍

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Q: What steel blade drill bit, hardness above 60: It is recommended to use steel bit, two hundred to three hundred RPM (8mm below the hole, more than 8mm, and then reduce speed), pay attention to cooling, the amount of feed should not be too large. For reference only, I hope it will help you.

Q: Is there a standard for drilling errors due to machine tool shaking?: Is the drill drill a positive or negative deviation, or is it bigger or smaller?. Bit wear is not serious, the drilled hole is a positive deviation. If the drill is used for a long time, the ligament is worn badly and the drill is worn out too, and the hole drilled is a negative deviation

Q: What's the difference between a drill bit and a drill bit?: There are many differences. For example: different materials; drill design structure (tip, blade, groove, handle, etc.) different; processing methods, processes, etc..Turn left and turn right |

Q: Tap is M14-H2, drill with big bit: The tap is M14-H2 and can be punched with a drill with a diameter of 12.The threaded hole diameter can be determined by the formula:The nominal diameter of the screw - thread pitch = threaded hole diameter

Q: Why can't the tap be nitrided? Drill bits are available.: Many imported taps are coated now. In addition to TiN, there are TiCN, TiAlN.

Q: The maximum diameter of the hammer is fixed up? Can I open the hole? How does an electric drill screw in? How big is the drill bit?: Hammer of different sizes have different maximum diameter of the drill bit.

Q: What drill is used in stainless iron drilling?. What color?: The best is to make the stainless steel material of cobalt containing material with high speed steel drill, high-speed steel drill is cobalt containing silver, do not know the landlord of the silver white bit is not high speed steel containing cobalt, if not, you can buy only high speed steel cobaltiferous material drill (also called stainless steel special under the best bit), buy imported, not much of your money, the quality difference is too large domestic drill. Or if not, can change the drill bit Ti, Ti is abrasion resistant, ordinary life is 3 times more than the standard twist drill]

Q: 14 what big expansion wire does the drill use?: Different expansion bolts form different drill diameters, and the maximum outer diameter of the bolt can be measured.

Q: What is the geometric angle of the drill bit?: A TRUSCO bit is a tool used to drill through holes or blind holes in solid material and to expand existing holes. The TRUSCO bit acts on its head, and its cutting edge and the cross edge act as a tool. In order to make the taper surface of the cutting part not touching the workpiece, the value of the rear angle and back angle should be selected according to the material of the workpiece.

Q: Which material, gb1436 and 6542, has a good drill?: 6542 refers to the content of various elements in this material. For example, 6542 is W (tungsten) content of about 6%, Mo content of 5%, Cr content of about 4%, V content of about 2%.

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