HSS 4241 Cobalt Multle Hole 50 Sizes Step Drill Bit Set Tools Aluminum Case

Size1: Features: Material: HSS / High Speed Steel 4241 Hexa-Flatted Shank: fits into power tools chuck securely and eliminates sl. Surface Treatment: Titanium coated. Claic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainle steel and many other types of sheet metal. Easy Drilling: Two-fluted design provides faster, smoother cutting;Provided with small preure and the sets can cut through wood, sheet metal, steel and other surfaces. Ideal For DIY: Tiny Home and General Building / Engineering Using(Without the use of center punch, easy to break, a step drill specifications apply.) Package Included : 1 x HSS Step Drill Bit Size 2: 5Pcs With Aluminum Case/Opp bag: Descrtion: Material: High Speed Steel 4241 (Suitable for workpieces with hardne below 25 degrees) Cutting material: Thin iron plate, aluminum material, insulating board, PVC board wood ( the recommended thickne is within 5mm) Features: 5 piece step drill bits set replaces 50 individual drill bits which saves you a lot of trouble and space,Two-flute design gives you faster, smoother cutting. Large bit has 3-sided shank and small bits have hex shank to prevent sl in drill chuck 1. This is a new type of HSS 4241 steel large step taper drill cobalt coated to reduce friction and run cooler 2. Cobalt steel with titanium coating ensures the bits have exceptional durability and will stay sharp for many years. 3. It is very suitable for cutting holes in various materials, including carbon steel, bra, wood, plastic, etc. 4.The bits come supplied in an organized aluminum case for easy storage and transport. 5This set is a must-have for HVAC profeionals and DIY enthusiasts. 6.Aluminum Box Package Size: 15cm * 10.5cm * 4.2cm (L * W * H) Weight: 450g Package includes: 1 x Aluminum Box / 1 x Opp Bag ------------------------------------------------------------------------------------------- Notice: 1. For the operation of hand drill (above 550W), the thickne is 1-2mm, and the hole diameter is greater than 14mm, a bench drill is required. (It is recommended to drill the workpiece with a stainle steel hardne below 25 degrees) 2. During drilling operation, water is injected while drilling to cool down, which effectively prolongs the service life of the drill. (Recommended speed 250~400) Please confirm the purchased products for payment, and the products shped are subject to the selected pictures! If you have any questions after s, please contact us at any time.

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Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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