Step Drill Bit 3-12/4-12/4-20/4-32 Hss Titanium Cone Cutting Tools Woodworking Metal Drilling Hole Drill Bit
Price range: 185.00৳ through 239.00৳
- 3-12mm (1pcs)
- 4-12mm (1pcs)
- 4-20mm (1pcs)
- 4-32mm (1pcs)
- Set-1 ( 3-12mm)_1p , 4-12mm_1p, 4-20mm_1p )
- Set-2 (4-12mm_1p, 4-20mm_1p, 4-32mm_1p )
Description
Specifiction:
- Hss Titanium Step Drill Bit
- Model: Titanium Coated HSS Stepped Drill Set
- Mechanism: Stepped Cone Drill with Titanium Nitride (TiN) Coating
- Material: High-Speed Steel (HSS 4241)
- Finish: Golden Titanium Coating (Anti-Rust & Heat-Resistant)
- Sizes: 3-12mm, 4-12mm, 4-20mm, 4-32mm, Set-1 ( 3-12mm, 4-12mm, 4-20mm ), Set-2 (4-12mm, 4-20mm, 4-32mm )
- Step Details: 3-12 (3,4,5,6,7,8,9,10,11,12), 4-12mm (9 steps: 4,5,6,7,8,9,10,11,12mm), 4-20mm (9 steps: 4,6,8,10,12,14,16,18,20mm), 4-32mm (15 steps: 4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm)_Total: 40+ Sizes
- Shank: 1/4″ Hex Shank (Impact-Ready)
- Max Thickness: 5mm (Steel), 8mm (Aluminum/Wood/Plastic)
- Usage: Metal Sheets, Wood, PVC, Aluminum, Copper, Acrylic, MDF
- Durability: Heavy Duty, Long-Lasting (5X Sharper than Uncoated)
- Step Cone Cutting Tools Woodworking Metal Drilling Hole Drill Bit
Features:
- Titanium Nitride Coating – Reduces friction & heat, 5X longer life
- 3-Piece Stepped Design – Covers 40+ hole sizes (3mm to 32mm)
- High-Speed Steel (HSS) – Durable for metal, plastic, wood, aluminum
- Self-Starting Tip – No pilot hole needed
- Laser-Etched Markings – Clear size labels on every step
- 1/4″ Hex Shank – Fits impact drivers & quick-change chucks
- Storage Case Included – Portable & organized
- Stepped Drill Bit Set – the ultimate 3-piece titanium-coated HSS solution for clean, burr-free holes in metal, plastic, aluminum, and wood. Whether you’re a DIY enthusiast or a professional tradesperson in Bangladesh, this stepped drill bit set eliminates the need for multiple drill bits by offering 50+ hole sizes in one compact kit.
- This stepped drill bit set features premium High-Speed Steel (HSS) cores with a golden titanium nitride (TiN) coating that reduces friction, heat, and wear – ensuring your bits stay sharp up to 5X longer than standard uncoated bits. The self-starting tip design means no center punch or pilot hole is required, preventing bit walking and ensuring perfect hole placement every time.
- Each stepped drill bit set includes three versatile sizes: 4-12mm (9 steps) – ideal for small electronics and thin sheet metal, 4-20mm (9 steps) – perfect for plumbing, HVAC, and automotive work, 4-32mm (15 steps) – heavy-duty for thick plates and large conduit holes
- Laser-etched size markings on every step ensure you’ll never guess the diameter again. The 1/4″ hex shank locks securely into impact drivers and quick-change chucks, making this stepped drill bit set compatible with all major drill brands (Bosch, Makita, Dewalt, etc.).
- From enlarging existing holes to creating clean cuts in PVC, acrylic, stainless steel, or MDF – this stepped drill bit set does it all without tearing or chipping. The included durable plastic case keeps your bits organized and protected on the job site.
- Why choose this stepped drill bit set?
- No more buying 20+ individual bits
- Cleaner holes than twist drills
- Works on curved and flat surfaces
- Trusted by mechanics, electricians, and woodworkers across Bangladesh
What is the price of Step Drill Bit 3-12/4-12/4-20/4-32 HSS Titanium Cone Cutting Tools Woodworking Metal Drilling Hole Drill Bit in Bangladesh?
The latest price of HSS Titanium Step Drill Bit 332mm in Bangladesh starts from [product_price id=”332″] to [product_price id=”29435″] taka for 1 Pcs Drill Bit with selective size. You can buy this product at a better and cheaper price from our website and also you can visit our warehouse between work hours 10am to 8pm.
Buy Step Drill Bit 3-12/4-12/4-20/4-32 HSS Titanium Cone Cutting Tools Woodworking Metal Drilling Hole Drill Bit in Bangladesh from online at [dunia_link].
In Bangladesh, you can get original HSS Titanium Step Drill Bit 332mm From [dunia_link] . We have few collection of latest [selected_category] to purchase. Order [parent_category] Online at our website Or Visit our warehouse to get your product at lowest price.
FAQ:
- What materials can this stepped drill bit set cut through?
Mild steel (up to 5mm), stainless steel (up to 3mm), aluminum, copper, brass, PVC, acrylic, wood, MDF, and fiberglass. - Do I need a pilot hole with this stepped drill bit set?
No! The split-point tip is self-centering and starts on contact – no center punch required. - Will this stepped drill bit set fit my impact driver?
Yes – the 1/4″ hex shank is impact-rated and fits all standard quick-change chucks and impact drivers. - How many hole sizes does this stepped drill bit set cover?
A total of 50+ sizes across three bits: 4-12mm: 4,5,6,7,8,9,10,11,12mm 4-20mm: 4,6,8,10,12,14,16,18,20mm 4-32mm: 4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm - Can I use this stepped drill bit set on stainless steel?
Yes, but limit thickness to 2-3mm and use cutting oil/lubricant for best results and longer bit life. - Is the titanium coating just for color?
No – the TiN coating reduces heat and friction, increasing bit life by up to 5X compared to uncoated HSS. - Does this stepped drill bit set come with a warranty?
No – Because of imports from other countries we can’t provide any replacement warranty. - Can I enlarge an existing hole with this stepped drill bit set?
Absolutely! Just align the correct step over the hole and drill – no need for hole saws. - How do I maintain this stepped drill bit set?
Clean after use, apply light machine oil, and store in the provided case. Avoid excessive speed on hard metals. - Is this stepped drill bit set available with COD in Chittagong, Sylhet, or Khulna?
Yes – Cash on Delivery available across all 64 districts of Bangladesh.
Additional information
| Dimensions | N/A |
|---|---|
| Drill Bit Size & Qty | 3-12mm (1pcs), 4-12mm (1pcs), 4-20mm (1pcs), 4-32mm (1pcs), Set-1 (1pcs), Set-2 (1pcs) |






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