HSS rail cutter DRHX-2 D.O.C. 25&50mm System 1

HSS rail cutter DRHX-2 D.O.C. 25&50mm

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 50 pc

Supply Capability:: 5000 pc/month

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‍‍DRHX-2&4 ‍‍

‍‍D.O.C. 25&50mm‍‍

‍‍◎ Made of super tough high speed steel , superiorly-designed geometry for better endurance

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‍‍◎ Supply Φ19.0mm and Φ19.05mm weldom shank

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‍‍◎ Applicable to hole cutting on railtrack , like PD3‍‍‍

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Type	Size
DRHX-40180	18*50
DRHX-40190	19*50
DRHX-40200	20*50
‍DRHX-40210	21*50
……	……
DRHX-40330	33*50
DRHX-40340	34*50
DRHX-40350‍‍‍‍	35*50
DRHX-40360‍	36*50
DRHX-20135	13.5*20
‍DRHX-20180	18*20
DRHX-20190	19*20
‍DRHX-20200	20*20
……	……
DRHX-20340‍‍‍‍	34*20
‍DRHX-20350	35*20
DRHX-20360‍‍‍	36*20‍

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Q: The difference between steel teeth and inserted cone bit: When drilling rig, drive turntable, Kelly, drill pipe and the drill bit rotation, through the drill ground instrument to observe the work of underground drill, after a comprehensive judgment, if you think the drill has been worn, it should immediately stop drilling to replace the roller bit, a bit of oil, insert bit, steel tooth drill, drill wells. PDC bit, diamond drill etc.

Q: Why is the drill angle 118 degrees?: HSS high speed steel drill bit: vertex angle is generally 118 degrees, sometimes greater than 130 degrees, HM carbide drill bit: vertex angle is generally 140 degrees; straight groove drilling is often 130 degrees, three edge drill is generally 150 degrees.

Q: What drill holes are used to break the screw?: The metal, its principle is to discharge at the moment, a sharp change of arc temperature and with pressure, so that the metal material of the point immediately melted, gasification, splashed liquid and explosive, condensed into solid particles is the working fluid. At this time, the metal surface is etched into a pit, so EDM can be easily processed on any metal workpiece, so it is convenient and quick.

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: At present, domestic electric drill clamping diameter to 10mm. The power in the 300W-750W range, but also with positive and reverse stepless speed, to your requirements for the use of 300W single direction can speed drill start steady good control, the price is slightly high. When punching to clamp is glass hole, mounted on an electric drill, follow light pressure in vertical direction, and the water cooling in the drill point. Main point: the workpiece must be fixed to the vertical force, the drill hole can not be aware of, suddenly shaking or will cause cracking of porcelain. For bulk opening, the best selection of drill. Optional hand drill type: J1Z-6A 230W 6mm J1Z-10A 300W the clamping diameter; and the clamping diameter above 10mm; J1Z-FF02-6A 230W reversible variable speed clamping diameter 6mm; JIZ-FF-10A reversible variable speed 300W and above the clamping diameter of 10mm. Add water tools can be an empty beverage bottle, a small hole in the bottle cap, after irrigation, gently pinch the bottle body, the water will be shot to the drilling hole, it is best to operate two people in order to ensure safe and smooth.

Q: What are the weight specifications of the drill pile when the bridge pile foundation is constructed?: Impact drilling in two main forms, one for earth or soft rock using tubular hammer, one for hard rock is solid hammer, the general hammer is about 4-5t, if you want to increase, you can hammer on the steel bar plus counterweight.

Q: How do I take out an electric drill bit?: Drill method for removing electric drill:The electric drill upside down on the ground (bit upward), left hand holding down the drill root plastic, the right hand holding the drill bit upward, provided when rotating around a bit can be taken out.

Q: What is countersunk drill, flat head drill?: The traditional processing method is to use the normal size and low hole drill out in shallow hole with a suitable flat drill out above or to the appropriate size hole cutter width! Now progress to this two processing into a processing!.

Q: Deep hole refers to the diameter of drill bits more than times, called deep hole: Gun drill: only one cutting part, which was first used to process barrels. During drilling, the cutting fluid enters from the middle of the drill pipe and is injected into the cutting area through a small hole in the head of the drill bit and then removed from the V groove of the drill bit with the chip. The gun drill is suitable for deep holes with a bore diameter of 2~20 mm and a ratio of Kong Shen to aperture greater than 100. BTA deep hole drilling: the cutting fluid is fed from the gap between the drill pipe and the hole wall, and the cuttings are expelled from the inner hole of the drill pipe by the pressure of the cutting fluid. BTA deep hole drilling is suitable for drilling more than 6 mm hole diameter, hole depth and aperture ratio of less than 100 of the deep hole, and its production efficiency is more than 3 times higher than the gun drilling. The jet drilling: a multi edge deep hole drilling, inside and outside two layer drill pipe, most cutting fluid from inside and outside the drill pipe into the cutting area gap, and then together with the inner tube into the chip; the crescent hole and a small portion of the cutting fluid through the inner tube into the tail end of the inner tube jet formation, effect, low pressure area, help suction chip. The jet drilling does not require a strict cutting fluid seal. It is suitable for drilling deep holes with a diameter of more than 18 mm, Kong Shen and a bore ratio of less than 100.

Q: I want to be in the stainless steel frame and fixed drill a few screws, with what bit and screw: It is the best to drill stainless steel with carbide drills, and if you do not have a carbide drill, you can drill with an ordinary bit;

Q: How do you drill a drill?: 6, after grinding, the drill rotation, simulation, drilling, cutting the status of inspection, to see if there is no wrong place, if there is further grinding;7, grinding the cross edge, that is, symmetrical sharpening drill bit after the blade;The 8 big bits can be sharpened by grinding on the side of the grinding wheel;9, steel bad twist drill, the vertex angle can be properly worn. .

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