TCT hole saw(Thick metal) HTTS-B D.O.C. 1

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HTTS-B

D.O.C. 1”

◎ Made of high quality solide carbide tips , reduce the damage of tips , increase the endurance

◎ Assembled with high quality center drill and spring

◎ Maxium cutting depth of 15mm on solid plate with pistol drill , and 25mm on solid plate with magnetic drills

◎ Shank diameter 10mm for hole saw Φ16mm~34mm , and Shank diameter 13mm for hole saw Φ35mm~100mm.

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Q:How to change the drill bit of impact electric drill?: Install the drill bit: or the handstand impact drill, the left hand down to the plastic ring, the right hand with the drill, rotating around the insertion

Q:Why can an electric drill pinch the drill so tightly?: There are three teeth drill chuck for clamping with dispersed telescopic drill root thickness (spin disc saw on the spin silk) when rotating clockwise when the wire with the screw like his teeth out and returned to loosen the clamp drill bit

Q:How to allocate the electric hammer drill: There may be a problem that the pearl inside the chuck. The drill down, pressure head black chuck, a few more to return a bit range.

Q:What is a square hole drill and can be machined square hole?: You can drill through the square hole, but not once.

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 not hammer drill iron: Positive function: can make use of a wider range of electric hammer drill, the form is mainly realized through switch or adjust the brush position, usually big tools will be used to adjust the brush position (rotating brush) to achieve the benefits of doing so is easy to operate, effectively inhibit the spark to protect the commutator, prolongs the service life of the motor6, hammer drill double function: both the impact hammer, electric drill and penetration.

Q:What drills should be used to drill holes with diameter 5mm and depth 65mm? Urgent! Thank you!: You don't know what material you need to drill, what is the material, or how hard it is,Ordinary material on the ordinary line, and if the material hardness, then you have to use M35 cobalt or alloy drill.

Q:How can we change an ordinary drill bit into stainless steel?: Ordinary drill can also drill stainless steel, but the performance is a little bit worse, the use of cutting speed is slower, plus special cutting fluid or vegetable oil for cooling lubrication.

Q:M2.5 hit the bottom teeth with much bit: Then, the chip 2.5-0.45=2.05 is used to tap bottom drill bit drilling. If it is an extrusion tap, the formula is 2.5-0.45/2=2.275's drill.

Q:What method should we pay attention to when drilling small holes and long holes in plain drills?: When drilling a deep hole or a long hole, the workpiece must be fixed. Drill the hole with the center first, then drill with the bit so that the drill will not drill the hole when it is drilled.

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