Shipping 10pcs/Set 1 Hole Saw Drill Bit Sets Alloy Carbide Cobalt Steel Cutter Stainless Plate Iron Metal

Check the integrity of the hole drill before use.When the drill is loaded into the electric drill, the three surfaces of the corresponding handle should be clamped.When drilling, keep the verticality of the hole drill and the workpiece.Use a small feed force when starting to drill, and feed at a constant speed after positioning.When drilling, the rotation speed is not easy to be too low, so as to avoid the cutting edge stuck and broken.When drilling the workpiece in the center, the force should not be too large to avoid collision between the alloy and the workpiece.When the center drill is drilled through the workpiece, the hole saw should be kept rotating and withdrawn.When drilling continuously, it should be cooled with cutting fluid coolant.Material: Carbide Scope of application: stainless steel, cast iron, steel plate, aluminum alloy.Industrial grade alloy hole saw.During transportation, the box will inevitably be damaged. Does not affect the use of the product.If you mind this question, please do not buy, thank you!6PC package specifications: 16mm\18mm\20mm\22mm\25mm\35mmAluminum box packaging specifications: length 23CM*width 14CM*height 5CM6PC package specifications: 22mm\30mm\35mm\45mm\50mm\65mmAluminum box packaging specifications: length 16CM*width 16CM*height 12CM10PC package specifications: 16mm\18mm\20mm\22mm\25mm\30mm\35mm\45mm\50mm\53mmAluminum box packing specification: length 20CM*width 16CM*height 12CMNo need for shaking or reducing friction, capable of withstanding heavy-load operations, making the cutting process smoother

• Check the integrity of the hole drill before use.
• When the drill is loaded into the electric drill, the three surfaces of the corresponding handle should be clamped.
• When drilling, keep the verticality of the hole drill and the workpiece.
• Use a small feed force when starting to drill, and feed at a constant speed after positioning.
• When drilling, the rotation speed is not easy to be too low, so as to avoid the cutting edge stuck and broken.
• It is convenient to carry. The drill bit is placed in a plastic box, which makes it easy to store and carry .