HYLONG HSS Step Drill Bit 4-12/20/32 mm High Speed Steel Titanium Coated HSS Step Cone Drill Bits Set Hex Shank Metric for DIY Wood, Metal, Stainless Steel, Sheet Metal-Gold

• ➤【Efficient operation】Spiral step drill bit has good chip removal effect and hard material, fast cutting speed, strong practicability
• ➤【HSS & Titanium Coated】HSS step drill bitMade of super strong HSS steel and coated with Titanium, Titanium coating ensures easy cutting steel, Aluminum sheet, Brass, Copper, plastic, wood etc
• ➤【Application】HSS step drill bit suitable for sheet metal, sink, car repair, etc. Widely used to cut holes in a variety of material like plate, aluminum, insulation board, PVC board, the thickness of wood within 5mm. Spiral step drill bit can be used with electric hand drill or center punch.Use together, work easier
• ➤【More convenient storage】The spiral step drill bit set is equipped with a storage bag made of wear-resistant 600D Oxford cloth. It uses magnets to make buttons, even if it is stored with one hand, there is no problem. Do you really not buy such a special step drill set
• ➤【Precision design】The drill tip adopts a 135°bifurcated tip design, which not only increases the cutting speed, but also prevents the spiral step drill bit from slipping during operation. With the sharp increase in the size of the next step, the cutting becomes faster, effectively saving your time and energy

HSS Step Drill Bit Features --Titanium alloy coating reduces friction and they are more durable than uncoated drill bits.HSS(High speed steel) has a longer service life --A variety of diameter sizes of drilling, reaming, chamfering, deburring and drilling，A Step Drill Bit can meet your different needs --Unique step structure, one drill can open various sizes of aperture, a ladder drill to a box bit -- Step Cone Drill Bit application: automotive sheet metal, repair and modification, bridge doors and windows, home appliances --HSS Step Drill Bit can be used for the following equipment: hand-held drilling machine, drilling machine milling machine, machining center --Titanium coating ensures excellent durability and sharpness, which reduces friction and reduces operating temperature --Step Cone Drill Bit using the classic high speed steel structure, it has longer service life, ensures easy cutting of stainless steel plate, aluminum plate, copper, plastic and wood plate, as well as many other types of sheet metal, and can automatically deburring when drilling to keep the drill bit a little clean Speciation Material: Titanium Coated High Speed Steel Usage: Aplly in gun-drilling,bench drill Size: 4-12 mm (Diameter 4, 5, 6, 7, 8, 9, 10, 11, 12mm) 4-20 mm (Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20mm) 4-32 mm (Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm) Package: 3Pcs spiral step drill bits,600D Oxford storage bag Attention: