12mm-200mm Carbide Tip TCT Drill Bit Hole Saw Stainless Steel Metal Alloy Cutter

12mm-200mm Carbide Tip TCT Drill Bit Hole Saw Stainless Steel Metal Alloy Cutter. Thank you for viewing our products. Specification: 12 mm-200mm Drilling depth:? 25MM Material: carbide Use: Can be used for stainless steel, thick cast iron, thick steel plate, aluminum alloy, all kinds of non-standard metal and other materials open hole, smooth cutting, perfect cutting effect For 70mm and below, collets with shanks of 10mm or more are available. For sizes 70mm and above, collets with shanks of 13mm or more are available. Smooth tool feeding, workpiece pressing, speed should not be too fast 2.

Open the hole and add water Pay attention to the above two points, the service life of the hole opener will be increased exponentially. Check the integrity of the hole drill before use; 2. Clamp the three sides of the corresponding shank when installing the hole drill into the electric drill; 3. Keep the hole drill vertical to the workpiece when drilling; 4.

Start drilling with a small feeding force and use a medium feeding force after positioning; 5. When drilling, the speed should not be too low to avoid the cutting edge from jamming and causing chipping; 6. When drilling through the workpiece, the force should not be too high to avoid violent impact between the cutting edge and the workpiece; 7.

After drilling through the workpiece, the hole drill should be kept rotating to exit the workpiece; 8. When drilling continuously, use cutting fluid to cool the cutting edge.

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