Description
Overview:
The BlueSpot Step Drill Set 4-32mm, 3 Piece (MPN 20504), is a durable, precision drilling kit for clean, accurately sized holes in a wide range of materials. Each bit is made from high-quality steel with a titanium coating to cut smoothly, reduce friction and heat, and extend service life. The set covers common hole sizes with 2mm step increments and includes: 1 x 5-step drill (4-12mm), 1 x 9-step drill (4-22mm), and 1 x 10-step drill (4-32mm). Use with standard corded or cordless drills and drill presses fitted with a 3‐jaw chuck. Supplied in a robust metal case, it is suitable for aluminium, brass, copper, plastics, mild steel sheet, and wood, making it useful for both site work and workshop tasks.
Key Features:
- Three-bit range covers 4-32mm with practical 2mm step increments for precise hole sizing
- Titanium-coated cutting edges minimise friction and heat for smoother drilling and longer life
- High-quality steel construction provides strength and wear resistance under regular use
- Produces round holes and can chamfer or deburr as you step up through sizes
- No pilot hole required in most sheet materials, saving time on layout and bit changes
- Suited to aluminium, brass, copper, plastics, mild steel sheet, and wood
- Works with standard 3‐jaw drill chucks on corded/cordless drills and drill presses
- Clearly defined step progression allows repeatable, accurate results across the set
- Robust metal storage case keeps the bits protected and organised on the move
- BlueSpot quality with part number 20504 for easy identification and reordering
Typical Applications:
Sheet metal work, control panels, brackets, trunking and conduit knockouts, automotive/bodywork hole sizing, HVAC ducting, electrical enclosures, plumbing clips and grommets, signage and number plates, caravan and trailer fittings, gutters and flashing, and general maintenance where clean, accurately sized holes are needed in thin materials.
Also known as:
Step bit set, step cone drill, tapered step drill, cone cutter, multi-step drill, incremental drill bit, hole enlarger bit, taper cone bit, titanium-coated step drill set, ladder drill bit.
Product Specifications
| L&S Part No. | B/S20504 |
|---|---|
| Manufacturer | Blue Spot |
| OEM No. | 20504 |
| Machine Type | Handheld Construction Tools |
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