3pc HSS Step Drill Bit Set Cone Hole Cutter Taper Metric 4 - 12 / 20 / 32mm 1 / 4 Titanium Coated Metal Hex Core Drill Bits

This 3PCS HSS Step Drill Bit Set is designed for drilling different hole sizes with one bit. The step cone design allows smooth drilling, easy hole enlarging, and clean cutting on various materials.Made of high-speed steel with titanium coating, the drill bits offer good hardness, wear resistance, and reduced friction during drilling. The 1/4" hex shank provides a secure grip and is compatible with most electric drills and drivers.Features3PCS Step Drill Bit Set Includes 3 commonly used step drill bits for different drilling needs.HSS Steel Material Made of high-speed steel for good strength, durability, and cutting performance.Titanium Coated Surface Helps reduce friction and heat, improving wear resistance and service life.Step Cone Design One drill bit can drill multiple hole sizes, suitable for opening holes and enlarging existing holes.Hex Shank Design 1/4" hex shank fits most drills and quick-change chucks, providing stable clamping and reducing slipping.Wide Application Suitable for thin metal sheet, aluminum, brass, wood, plastic, PVC board, and other soft or thin materials.SpecificationsProduct Name: HSS Step Drill Bit Set Material: HSS Steel Surface Finish: Titanium Coated Shank Type: 1/4" Hex Shank Color: Gold Quantity: 3PCSOptional SKUSKU 1: 3PCS 3-12/4-12/4-20mm Includes: 1 × 3-12mm Step Drill Bit 1 × 4-12mm Step Drill Bit 1 × 4-20mm Step Drill BitSKU 2: 3PCS 4-12/4-20/4-32mm Includes: 1 × 4-12mm Step Drill Bit 1 × 4-20mm Step Drill Bit 1 × 4-32mm Step Drill BitSize Details3-12mm: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm 4-12mm: 4mm, 6mm, 8mm, 10mm, 12mm 4-20mm: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm 4-32mm: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mmApprox. Length4-12mm: Approx. 6.7cm / 2.64in 4-20mm: Approx. 7.4cm / 2.91in 4-32mm: Approx. 10.2cm / 4.02inPackage Includes1 Set × 3PCS Step Drill Bits or 1 Set × 3PCS Step Drill Bits with Storage Pouch Please refer to the selected SKU for the actual package.NotesPlease choose the correct SKU before placing the order.Suitable for thin sheet materials. For thick or hard metal, please use cutting oil and drill at low speed.Manual measurement may have slight errors.Due to different monitors and lighting, the actual product color may be slightly different from the picture.