Carbide Center Drills
Solid-carbide drill for machining steel, stainless steel, cast iron and non-ferrous metals, for centre-drilling and spotting. Available uncoated or OK Premium coated, Ø1–5 mm in 0.5 mm diameter increments (14 catalogue items). Ships in 2 coating options.
Engineered for performance
Solid-Carbide Substrate, Uncoated or OK Premium
Ships in 2 coating options — uncoated or OK Premium coated — across all 14 catalogue sizes.
Centre-Drilling & Spotting Geometry
The catalogue's own "centre drill" designation — a short, rigid point for starting a hole location before a full-length drill follows, not a through-hole production drill.
Steel, Stainless, Cast-Iron & Non-Ferrous Coverage
Rated for ISO P (steel), M (stainless steel), K (cast iron) and N (non-ferrous metal) material groups.
Ø1–5 mm, 45–75 mm Overall Length
Diameters run Ø1–5 mm in 0.5 mm increments, with overall lengths from 45 to 75 mm across 14 sizes.
Sizes & part numbers
CDAA-S-1 🔍 Click to zoom 
CDAA-S-2 🔍 Click to zoom No sizes match those filters.
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| ORDER NO. | Ø | FLUTE L | OAL | SHANK | COATING |
|---|---|---|---|---|---|
| CDA-010S | 1 mm | 1.3 | 45 | 4 | Uncoated |
| CDA-015S | 1.5 mm | 1.9 | 45 | 4 | Uncoated |
| CDA-020S | 2 mm | 2.6 | 45 | 6 | Uncoated |
| CDA-025S | 2.5 mm | 3.2 | 60 | 8 | Uncoated |
| CDA-030S | 3 mm | 3.9 | 60 | 8 | Uncoated |
| CDA-040S | 4 mm | 5.8 | 70 | 10 | Uncoated |
| CDA-050S | 5 mm | 7.1 | 75 | 12 | Uncoated |
| CDAA010S | 1 mm | 1.3 | 45 | 4 | OK Premium |
| CDAA015S | 1.5 mm | 1.9 | 45 | 4 | OK Premium |
| CDAA020S | 2 mm | 2.6 | 45 | 6 | OK Premium |
| CDAA025S | 2.5 mm | 3.2 | 60 | 8 | OK Premium |
| CDAA030S | 3 mm | 3.9 | 60 | 8 | OK Premium |
| CDAA040S | 4 mm | 5.8 | 70 | 10 | OK Premium |
| CDAA050S | 5 mm | 7.1 | 75 | 12 | OK Premium |
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