Price is for a SET OF 3 DRILL BITS. Please select quantity above.
Set Includes: 4-12mm · 4-20mm · 4-32mm
Material: High Quality HSS Steel · Coating: Titanium
Flute Design: Two Flute — Faster, Smoother, Cleaner Cuts
Application: Steel · Brass · Wood · Plastic · Aluminium
Compatible: Pistol Drill · Bench Drill
Australian Stock · Fast Dispatch · OZ Wonderful
⚠️ IMPORTANT USAGE WARNING ⚠️
FOR BEST RESULTS — USE CORRECT SPEED & LUBRICATION
🔧 PROPER USAGE TIPS 🔧
• Use cutting oil or lubricant for steel and metal applications
• Start at the smallest step and gradually increase
• Use appropriate drill speed for each material
• Avoid excessive pressure — let the drill do the work
Product: HSS Step Drill 3-Piece Set — Titanium Coated · Two Flute Design
Set Includes: 4-12mm · 4-20mm · 4-32mm
Material: High Quality HSS (High-Speed Steel)
Coating: Titanium — Increased durability and wear resistance
Flute Design: Two Flute — Faster, smoother, cleaner cuts
Step Labelling: Each step clearly labelled with diameter
Compatible: Pistol Drill · Bench Drill
Materials: Steel · Brass · Wood · Plastic · Aluminium
Australian Stock: Yes — fast dispatch from local warehouse
HSS Step Drill 3-Piece Set — Titanium Coated
4-12mm · 4-20mm · 4-32mm · Two Flute Design · Multi-Material
⚠️ FOR BEST RESULTS — Use correct speed and lubrication. Complete 3-piece set covers all common hole sizes from 4mm to 32mm.
✅ Approved Applications — What This Set Is FOR
🚫 FORBIDDEN APPLICATIONS — DO NOT USE ON
❌ HARDENED STEEL — Not designed for hardened or heat-treated steel. Will cause premature wear and breakage.
❌ STAINLESS STEEL (THICK) — Thick stainless steel requires specialist drill bits and low speeds with heavy lubrication.
❌ CONCRETE OR MASONRY — Not designed for masonry, brick, concrete, or stone. Will damage the drill bit.
❌ GLASS OR CERAMIC — Not designed for glass, ceramic, or tile. Use specialist diamond-tipped bits.
⚠️ IMPORTANT — PROPER USAGE REQUIRED ⚠️
• Use cutting fluid/lubricant when drilling metal to extend tool life
• Start with the smallest step and gradually increase to size
• Do not force the drill — let the cutting edges do the work
• Clean the drill bits after use to remove debris and prevent rust
Product Description — HSS Step Drill 3-Piece Set
The HSS Step Drill 3-Piece Set includes three high-quality step drills — 4-12mm, 4-20mm, and 4-32mm — crafted from high-quality HSS steel with a titanium coating for increased durability and wear resistance. The two flute design provides faster, smoother, and cleaner cuts, making it ideal for a variety of materials.
Each step is clearly labelled with the diameter, allowing for precise hole sizing without changing drill bits. This complete set covers the full range from 4mm to 32mm — the ultimate solution for any drilling application.
These step drills are compatible with pistol drills and bench drills, making them a versatile addition to any tool collection. Perfect for drilling steel, brass, wood, plastic, aluminium, and more.
📏 Set Includes: 4-12mm (67mm) · 4-20mm (74mm) · 4-32mm (102mm) · HSS steel · Titanium coating · Two flute design · Clear step marking.
📦 What's In The Set — Detailed Specifications
| Model | Drill Range | Total Length | Best For |
| SD-4-12 | 4-12mm | 67mm (2.64") | Small holes · DIY · Light workshop |
| SD-4-20 | 4-20mm | 74mm (2.91") | Medium holes · Workshop · Maintenance |
| SD-4-32 | 4-32mm | 102mm (4.02") | Large holes · Industrial · Fabrication |
🔧 Key Features & Benefits
📏 Technical Specifications — Complete Set
| Product Name | HSS Step Drill 3-Piece Set |
| Set Includes | 4-12mm · 4-20mm · 4-32mm |
| Material | High Quality HSS Steel |
| Coating | Titanium — Increased Durability |
| Flute Design | Two Flute — Faster, Smoother, Cleaner |
| Step Labelling | Clear diameter markings on each step |
| Compatible With | Pistol Drill · Bench Drill |
| Suitable Materials | Steel · Brass · Wood · Plastic · Aluminium |
🔧 Step Drill vs Standard Drill Bit — Why Choose Step Drill?
One Bit, Multiple Sizes: Step drills eliminate the need for multiple drill bits. Each bit covers a full range of sizes — saving time and money.
Cleaner Holes: The stepped design reduces chatter and produces smoother, cleaner holes with minimal burrs. Perfect for sheet metal and thin materials.
Precision Sizing: Each step is clearly marked with the exact diameter. No need for callipers or measuring — just drill to the marked step.
Complete Workshop Solution: With all three sizes (4-12mm, 4-20mm, 4-32mm), you have every common hole size covered in one convenient set.
🔩 Titanium Coating — Enhanced Performance
🔧 REAL USER FEEDBACK 🔧
✅ CORRECT USE — Professional Workshop: Workshop using this 3-piece set for all drilling needs. 4-12mm for small work, 4-20mm for general use, and 4-32mm for large holes. Complete coverage.
✅ CORRECT USE — Electrical & Plumbing: Electrician using for panel work and conduit holes. All sizes covered in one convenient set.
"Great value set. All three sizes cover everything I need for my workshop. Titanium coating really extends the life. Highly recommended." — Verified buyer
✅ Compatible Equipment — What This Set Fits
❓ Frequently Asked Questions
Shipping & Support — Australian Stock
🔧 HSS Step Drill 3-Piece Set — 4-12 / 20 / 32mm
Titanium Coated · Two Flute Design · Multi-Material
⚠️ Use correct speed & lubrication for best results
💡 Bulk Orders Welcome! Contact us for volume pricing on multi-set purchases.
⚠️ REMINDER: Complete 3-piece step drill set. Use cutting oil for metal applications. Australian stock — fast dispatch.