Rowiz 5PCS 30/32/35/38/40mm HSS Hole Saws Set for Thin Metal,Cut Hole Saw for Stainless Steel and Metal Pipes and Iron Plate and Steel Plate and Carbide, Metal Hole saw Kit with Mandrel and Pilot Bit

• Material: M35 HSS
• Product description:Center positioning,precise opening,high efficiency of opening
• Size: 30mm/32mm/35mm/38mm/40mm
• Applicable equipment:hand drill,bench drill
• Uses:can be used for stainless steel,iron plate,steel plate,aluminum alloy,various metal pipes

Specifications: Material:High Speed Steel Precautions: 1.The cutting material must be fixed, can not be moved, and the opening at a right angle of 90 degrees. 2.At the beginning of drilling, you should slowly contact the drilled material，do not hit the workpiece, and use a low number of rotations (the larger the hole opener, the lower the number of rotations). 3.Please don't push too much force when tighten or loosen the screw, so as not to screw the screw slippery. 4.Coolant can be added when using, attention should be paid to slowing down the follow-up speed when drilling quickly. In the course of operation, if there are anomalies or unsatisfactory chip removal, stop working and pour out the chips before working. Any Problem, Please Contact Us No Hesitate Included packages: 5 pcs wrench & High Speed Steel Drill Bit