5pcs Step Drill Bit Set Hss Cobalt Multle Hole 50 Sizes Cobalt Titanium

5pcs Step Drill Bit Set H Cobalt Multle Hole 50 Sizes Cobalt Titanium Conical Carbide Drill Perforator Hole Cutter Tool

5Pcs With Aluminum Case/Plastic 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) Package includes: 5Pcs Step Drill Bit Set 1 x Aluminum Box / 1 x Plastic bag

About shping
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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