🔧 JiGiU Bi Metal 19 76mm Mandrels Aluminum: Cutting-Edge Tool for Precision Machining Review

【19-In-1 Hole Saw Set,Hss Hole Saw Kit Drill Hole For Metal】 The Hole Drill Bit Is Made Of High-Speed Steel. Compared With The Products On The Market, Our Steel Plate Can Be Drilled. It Is Suitable For Most Bench Drills ,Cordless Drill , Hammer Drill And Drilling Machines. It Is Suitable For Home Decoration, Automobile Maintenance, And Industry. 【11pcs Saw Blades And Accessories Carrying Case 】JiGiU Bi-Metal Hole Saw Kit Includes 11 Hole Saws: 3/4"(19mm), 7/8"(22mm), 1”(25mm), 1-1/8"(29mm), 1-3/8"(35mm), 1-1/2"(38mm), 1-3/4"(44mm), 2"(51mm), 2-1/4" (57mm), 2-1/2" (64mm), 3" (76mm). Other Accessories Incl. 2x Mandrels, 1x Mandrel Adapter, 2x Drill Bits, 2x Hex Keys And 1x 300mm Extension. 【High Precision & Fast Cutting】Improved M42 sharp teeth can achieve faster drilling and higher cutting performance. The edges after cutting are cleaner and more even, higher accuracy. The chip removal groove added on the side of the hole saw side can remove chips quickly. 【HSS BI-Metal, Durable Construction】The JiGiU saw blades are made of bimetallic material, the cutting part is made of high hardness (69~81HRC) with a thickness of 2mm, maximum cutting depth of 40mm. It has the advantages of wear resistance, better toughness and long usage life. 【Wide Application & Convenient Storage】 The JiGiU hole saws are durable and reliable to use on work pieces, suitable for hole cutting on soft metal, wood, acrylic, PVC board, plastic, plasterboard and thin sheet steel. All parts in a practical storage box, very convenient to store and carry. 【Irregular sawtooth design】The irregular sawtooth design can increase the width of the saw object position during the rotation of the hole saw, which is conducive to the expansion and contraction of the hacksaw during rotation, and reduces the pressure on the hole saw. Thereby reducing friction. (Please note that when using on metal, please add coolant).