CNC grinding: end mills, drills & special cutters
See how we use a CNC grinder to make carbide end mills, drills and special cutters.
Watch on YouTubeSolid Carbide · Internal Coolant
Carbide Coolant-Thru Drills3D · 5D · 8D · 12D · 15D · 20D · 25D
Direct-factory DIN 6537 standard-size solid carbide drills with internal coolant channels. German point geometry, Swiss Balzers PVD coating, Walter CNC grinding. Diameter range ø3–20mm. MOQ 1 piece, 1–15 day lead time.
01 / 05
German-Engineered Point Geometry
Internal Coolant Channels
Walter CNC Precision Grinding
Oerlikon Balzers BALINIT® Coating
ZOLLER Inspection
MOQ 1 Piece
DIN 6537 Standard Size Range
Select Depth Ratio
3×D Standard-Depth Coolant-Thru Drill
Standard depth — through-holes, high-feed production drilling
3xD carbide drillstandard depth coolant drillthrough-hole carbide drillhigh-feed drilling
Click any row to view the full SKU detail page with specifications, applications, and quote request.
| CUTTER DIA (D1) h7 | FLUTE LENGTH (L2) | SHANK DIA (D2) h6 | OVERALL LENGTH (L1) | Est. price | SKU PAGE | |
|---|---|---|---|---|---|---|
| mm | inch | mm | mm | mm | ||
| 3.00 | 0.1181 | 20.00 | 4.00 | 62.00 | $11.39 | Details |
| 4.00 | 0.1575 | 24.00 | 4.00 | 66.00 | $11.73 | Details |
| 5.00 | 0.1969 | 28.00 | 6.00 | 66.00 | $20.24 | Details |
| 6.00 | 0.2362 | 28.00 | 6.00 | 66.00 | $20.24 | Details |
| 7.00 | 0.2756 | 34.00 | 8.00 | 79.00 | $34.08 | Details |
| 8.00 | 0.3150 | 41.00 | 8.00 | 79.00 | $34.08 | Details |
| 9.00 | 0.3543 | 47.00 | 10.00 | 89.00 | $51.99 | Details |
| 10.00 | 0.3937 | 47.00 | 10.00 | 89.00 | $51.99 | Details |
| 11.00 | 0.4331 | 55.00 | 12.00 | 102.00 | $77.00 | Details |
| 12.00 | 0.4724 | 55.00 | 12.00 | 102.00 | $77.00 | Details |
| 13.00 | 0.5118 | 60.00 | 14.00 | 107.00 | $104.31 | Details |
| 14.00 | 0.5512 | 60.00 | 14.00 | 107.00 | $104.31 | Details |
| 15.00 | 0.5906 | 65.00 | 16.00 | 115.00 | $145.42 | Details |
| 16.00 | 0.6299 | 65.00 | 16.00 | 115.00 | $145.42 | Details |
| 17.00 | 0.6693 | 73.00 | 18.00 | 123.00 | $195.78 | Details |
| 18.00 | 0.7087 | 73.00 | 18.00 | 123.00 | $195.78 | Details |
| 19.00 | 0.7480 | 79.00 | 20.00 | 131.00 | $256.31 | Details |
| 20.00 | 0.7874 | 79.00 | 20.00 | 131.00 | $256.31 | Details |
Non-standard diameters and custom lengths available on request. All dimensions in mm unless noted.
Full Range
All Depth Ratios
Manufacturing & inspection
Inside Our Workshop
The grinding, measurement and edge-preparation equipment used in our workshop. Click a photograph to take a closer look.
FROM OUR WORKSHOP
Watch us grind and inspect our tools
Two videos filmed in our workshop: CNC tool grinding and dimensional inspection.
Measuring carbide end mills at 0.001 mm
Watch our ZOLLER inspection process for precision carbide end mills.
Watch on YouTubeProduction photographs
Drills, Up Close
Workshop photographs of drill batches, tool details and production work.
Need a Size Not Listed, or Custom Geometry?
We manufacture non-standard diameters (0.1mm increments), custom point angles, special coatings, and extended lengths. Prototypes in 5–10 days.
Send Us Your Requirements