3pc HSS Step Drill Bit Set Cone Hole Cutter Taper Metric 4 - 12 / 20 / 32mm 1 / 4 'Titanium Coated Metal Hex Core Drill Bits
3pc HSS Step Drill Bit Set Cone Hole Cutter Taper Metric 4 - 12 / 20 / 32mm 1 / 4 'Titanium Coated Metal Hex Core Drill Bits
3-Piece HSS Step Drill Bit Set for Precision Drilling This 3pc HSS step drill bit set is designed for accurate drilling in metal, featuring a tapered cone hole cutter for smooth, consistent results across various hole sizes.
Titanium Coated for Enhanced Durability Coated with titanium finish, these drill bits offer improved wear resistance and heat dissipation, ensuring longer lifespan and better performance during metalworking tasks.
Wide Range of Tapered Hole Sizes The set includes three bits with 4–12mm, 4–20mm, and 4–32mm taper hole capabilities, ideal for creating precise conical holes in metal with a single tool.
High-Speed Steel Construction for Tough Materials Made from high-speed steel , these drill bits maintain sharpness and strength when drilling through hard metals, delivering reliable performance in demanding applications.
1/4 Hex Shank for Secure Fit Equipped with a 1/4 hex core, these bits ensure a secure and stable fit in most standard drill drivers, reducing slippage and improving torque transfer.
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.
Features
3PCS 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.
Specifications
Product Name: HSS Step Drill Bit Set
Material: HSS Steel
Surface Finish: Titanium Coated
Shank Type: 1/4" Hex Shank
Color: Gold
Quantity: 3PCS
Optional SKU
SKU 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 Bit
SKU 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 Bit
Size Details
3-12mm: 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, 32mm
Approx. Length
4-12mm: Approx. 6.7cm / 2.64in
4-20mm: Approx. 7.4cm / 2.91in
4-32mm: Approx. 10.2cm / 4.02in
Package Includes
1 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.
Notes
Please 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.
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