TCT annular cutter with universal shank DNTC-3

TCT annular cutter with universal shank DNTC-3 System 1

TCT annular cutter with universal shank DNTC-3

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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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DNTC-3

D.O.C. 35mm
Unit：mm
◎Universal shank for various magentic drills
◎Select special-purpose carbide tips with multi-cut geometry for ply-cutting and lower friction damage of tips and improved performance of ships removal
◎Applicable to hole cutting and process of annular groove on various magnetic drills and press

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Type	Size
DNTC-30120	12*35
DNTC-30130	13*35
DNTC-30140	14*35
……‍	……
DNTC-30580	58*35
DNTC-30590	59*35
DNTC-30600‍‍‍	60*35‍

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Q: Do we need drill bit for cast steel drilling?: Drill wood. Drilling holes on wooden materials, combined with the use of woodworking bit, woodworking bit sales volume, the hardness of the tool is not high, the tool material is generally high speed steel. There is a small sharp point at the center of the drill bit, and the angles on both sides are relatively large, even without angle. For a good fixed position. In fact, drilling with metal drills can also drill wood. Because wood is easy to heat, brittle is not easy to come out, so we must slow down, often exit, remove brittle debris.

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: What's the diameter of the PT3/8 internal thread drill?: Dia 14.3-14.4.PT is the old standard, and it is also written as BSPT. Now the new standard is Rc, the same.

Q: Do you have any special drill for aluminum alloy?: Aluminum alloy, copper, stainless steel, the hardness of these materials are not high, aluminum alloy, copper soft, frequent drilling process, easy to cut, and there will be a lot of burr. The best choice for some Aluminum Alloy drill bits for different materials when drilling drill main cutting edge angle will be different, the best selection of aluminum cutting angle of 120-135 degrees, the feed is not too high, due to the low, if the best friend can understand the material selection of M42, M35 or 6542, not bad bit a few drill does not move. The bit is divided into a rolling bit and a full grinding drill, and the whole grinding drill is 30% more expensive than the rolling mill, but the effect is much better than that of the rolling mill.

Q: What does the cutting depth of the drill mean 3D?: That is, the diameter ratio of the drill, such as 3D, and the diameter of the drill is 20MM, the effective drilling depth is 60MM

Q: How big are the 8 bits that have worked up?: 8mm's expansion tube uses a drill with a diameter of 8mm. If it is 8mm's expansion screw, use a drill with a diameter of 12mm.

Q: How do you tell which materials are used in the test?: The drill shall be selected according to the material properties of the material to be machined. For example, stainless steel uses cobalt cobalt drills. Use tungsten cobalt alloy bit when producing high heat when the bit is cutting

Q: Why not hammer drill iron: Electric hammer drill (electric hammer drill), is the "two function drill" and "hammer" handheld electric tool, "rotary cutting drill", with the impact of the impact mechanism of driving impact drill bit, drill driven in rotation at the same time, there is a direction perpendicular to the rotation of the rotary drill the reciprocating motion of the hammer. For concrete, brick, tile, marble and other materials drilling. "Hammer" to drive the impact force of drill rod, used for concrete, bricks and other materials on the slotting, holes or broken concrete etc..

Q: 1.5 of the stainless steel plate to drill 1.2 holes, the drill has broken a lot of roots, what kind of material with a bit better? How much speed, how much feed?: First of all, drilling stainless steel must use high-performance drills, such as high cobalt, high vanadium or alumina bit material.

Q: What's the angle of a standard twist drill?: How much is the standard twist drill angle - 118 degrees, drawing (the threaded hole is a blind hole at 120 degrees) according to the draw.

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