High performance HSS rail cutter DRAX-2 System 1

High performance HSS rail cutter DRAX-2

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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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DRAX-2&4

D.O.C. 25&50mm
◎ Made of super tough high speed steel , superiorly-designed geometry for excellent performance of hole cutting
◎ Supply Φ19.0mm and Φ19.05mm weldom shank
◎ Applicable to hole cutting on hard-cut railtracks with high strength

‍

Type	Size
DRAX-40180	18*50
DRAX-40190	19*50
DRAX-40200	20*50
……‍	……
DRAX-40340	34*50
‍DRAX-40350	35*50
DRAX-40360‍‍‍	36*50‍
‍‍‍‍‍‍DRAX-20135	13.5*20
DRAX-20180	18*25
DRAX-20190	19*25
DRAX-20200	20*25
……	……
DRAX-20340	34*25
DRAX-20350	35*25
DRAX-20360	36*25

‍

Q: How to change the drill bit of impact electric drill?: Remove the drill: the impact drill upside down on the ground (bit upward), left hand holding down the drill root plastic ring, right hand holding the drill bit upward, provided when rotating around a bit can be taken out.

Q: 1 inches of steel plate, what drill can drill through?: 1 cm thick steel plates can be drilled through plain twist drills. Twist drill is the most widely used tool in hole cutting tools. Its material is usually high speed tool steel or carbide.

Q: Relationship between bit diameter and rotation speed: Secondly, it is related to the grinding, feed size, material and so on. Such as: stainless steel drilling, the drill speed and feed volume should not be too large, the need for flexible use.

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 bits of percussion drills are made of?: Features: 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: What drill can be used to break through high strength stainless steel plates?: Diamond bit, absolutely good, it depends on you do not have to use up

Q: With what drilling steel: The general use of tungsten steel grinding head punch. The grinding head is a general name of a small belt grinding tool. It is applied to electric mills, suspension mills and hand drills. There are many types of ceramic grinding, rubber cement, diamond grinding head, grinding abrasive cloth etc..

Q: How can we change an ordinary drill bit into stainless steel?: I've never heard of it, but it seems to be a high-speed steel drill, and it's not expensive. Why do you charge for that?

Q: How can the 1 millimeter drill be worn?: Less grinding, orifice in three edge or pentagon, look carefully, really half a certain degree of difficulty, teachers see the grinding action, do not blindly grinding, students often have yet to settle on the edge by grinding the start on the wheel, too large angle drill in drilling look, all kinds of grinding defects of twist drill. The students have not mastered the sharpening skills and techniques, according to the methods and skills of practice summed up in simple formulas form explanation and demonstration, students tend to understand, the other main blade drill was destroyed, is less grinding in better control of miss the point, size, angle of the diagram. Look calmly. And after sharpening the edge of the blade.

Q: What is the cause of the drilling mud bit?: Engineering Technology: small displacement drilling, can not effectively cleaning the bottom and at the same time, the return speed of drill cuttings in the well, long residence time, adhered to the wall to form a thick mud cake, especially in the upper part of drilling speed is more serious; in soft rock strata, the drilling pressure is too large, or drilling stratum with the drill bit is formed on the surface of direct contact, causing bit balling; long open hole drill is not halfway through the cycle, from the mud cake wall scraping or cuttings are bit balling.

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