TCT annular cutter with thread shank DNTL-4

TCT annular cutter with thread shank DNTL-4 System 1

TCT annular cutter with thread shank DNTL-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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DNTL-4

D.O.C. 50mm
Unit：mm
◎ M18*6/P1.5 thread shank , Suitable on Fein magnetic drills
◎ 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

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Type	Size
DNTL-40120	12*50
DNTL-40130	13*50
DNTL-40140	14*50
……‍	……
DNTL-40480	48*50
‍DNTL-40490	49*50
DNTL-40500‍	50*50‍

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Q:Cobalt containing special stainless steel drill bit, 4mm angle, do not move?: No matter what drill, the head must be sharpened! The small drill can be struck because the front edge is well sharpened! And 8.5 of the drill bit can not drill through, because the drilling side of the two cutting edges did not grind out (front angle is lower than the back angle, resulting in non cutting! To grind to the rear corner, lower than the front corner!!!!!!!!. When the drill bit blade grinding, drilling 4mm angle, is very fast, also don't add coolant! (head color change, drill when there is a cry, two sides do not chip out, all the drill bit did not wear well), grinding drill bit is a learning, learning is not difficult. Learn to grind the drill bit and drill around with the 10mm to see the edges.

Q:How do I turn on the electric bit?: Hit the drill and press it down and pull it out. With keys or with a hammer drill.

Q:What size of drill should we use to drill 10 holes?: Use Phi 10 bit. Use drill chuck quality is good (without obvious shaking) electric drill hole, no margin problem.

Q:Which material, gb1436 and 6542, has a good drill?: 6542 is a high speed tool steel.Most of the drilling holes for high-speed processing, so the majority of small drill bit is 6542, this is the must choose.Most drilling holes are low speed processing, and the manufacturing cost is considered, so most of them do not use 6542.GB1436 "straight shank twist drill", this is a standard, is a straight shank twist drill specifications, size, not material.

Q:What do you use for drilling walls?: The hammer can drill the wall. An electric drill is out of the question. Electric drill, electric hammer, impact drill is used to punch the hammer, generally used to drill holes in the concrete and other hard objects, the drill bit is alloy steel, in drilling at the same time, the function of a hammer. An electric drill is used to drill holes in a more malleable object; the drill bit is usually steel. Both hammer percussion drill and drill function, it can be used when the hammer drill, and when. There are two kinds of drills.

Q:Tap 10 taps, what size drills do we use?: Brief introduction of tap:As a tool for machining internal thread taps, according to the shape can be divided into straight edge and screw tap tap, in accordance with the use of the environment can be divided into hand taps and machine taps, made in accordance with the specifications, and can be divided into metric, British tap, according to the origin can be divided into domestic and imported tap tap. Tap is the most important tool for operators to process thread.

Q:M6 threads need to drill much bottom?: M6 need to drill 4.8mm hole thread. Calculation method:Generally, the diameter of the Gong bolt multiplied by 0.86 is the diameter of the hole to be drilled.M6 thread refers to the nominal diameter of 6mm coarse teeth, ordinary thread.

Q:8mm iron expansion bolts with few drilling drill mm?: It's a gross mistake to say 8 mm punching. As with a hammer smashed bolt can not. Strictly speaking, 12 mm bit should be used, but if the expansion bolt is not standard, you need to drill 10 millimeters, then twist the hole, it is best to use caliper to measure the diameter of the bolt and then decide

Q:What's the difference between a twist drill and an impact drill?: Percussive drills work by rotating and impacting. A single shock is very slight, but a shock frequency of more than 40000 minutes per minute can produce continuous force. Used of natural stones or concrete. When the impact drill works, the drill chuck is provided with an adjusting knob, which can be adjusted in two ways: an ordinary hand drill and an impact drill. But the impact of drilling is the use of internal gear to achieve mutual beat of impact, but the impact is far less than the hammer. It is not suitable for drilling reinforced concrete.

Q:Construction drills, woodworking drills, high-speed steel drills, shapes and uses, what's the difference?: There are two types of woodworking drills. One is a carpenter's twist drill. The other is a flat drill. Woodworking twist drill is generally called woodworking drill, the head is 3 with spines, the middle of the long, needle. The sides are slightly shorter with a cutting edge. The blade has an opening. The flat head of a carpenter's drill is flat. A small hole in the center. The top is needle shaped. Without blade, (actually, the blade is at the ends of the flat head, in contrast to the opening of the shape) There are two kinds of handles, plain and six angles.

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