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.
Material applicability
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 | 1.0 mm | 1.3 | 45 | 4 | Uncoated |
| CDA-015S | 1.5 mm | 1.9 | 45 | 4 | Uncoated |
| CDA-020S | 2.0 mm | 2.6 | 45 | 6 | Uncoated |
| CDA-025S | 2.5 mm | 3.2 | 60 | 8 | Uncoated |
| CDA-030S | 3.0 mm | 3.9 | 60 | 8 | Uncoated |
| CDA-040S | 4.0 mm | 5.8 | 70 | 10 | Uncoated |
| CDA-050S | 5.0 mm | 7.1 | 75 | 12 | Uncoated |
| CDAA010S | 1.0 mm | 1.3 | 45 | 4 | OK Premium |
| CDAA015S | 1.5 mm | 1.9 | 45 | 4 | OK Premium |
| CDAA020S | 2.0 mm | 2.6 | 45 | 6 | OK Premium |
| CDAA025S | 2.5 mm | 3.2 | 60 | 8 | OK Premium |
| CDAA030S | 3.0 mm | 3.9 | 60 | 8 | OK Premium |
| CDAA040S | 4.0 mm | 5.8 | 70 | 10 | OK Premium |
| CDAA050S | 5.0 mm | 7.1 | 75 | 12 | OK Premium |
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