Affilatura CNC: frese, punte e utensili speciali
Guarda come produciamo frese, punte e utensili speciali in metallo duro con una rettificatrice CNC.
Guarda su YouTubeDIN 6537 Standard Sizes · Coolant-Thru Drill Depth Ratio
These are German DIN 6537 standard-size coolant-through carbide drills. The 8D ratio tackles deep-hole applications where chip evacuation and heat build-up are the primary failure modes. Internal coolant channels maintain cutting temperature and flush chips continuously, enabling consistent hole quality in steel, stainless, and ductile iron at depths where standard drills fail.
For buyers checking Gühring 8D drill price, this page gives a factory-direct DIN 6537 size table, visible reference prices, pilot-hole guidance, coolant requirements, and RFQ data for evaluating a cost-effective alternative.
Deep holes in steel · Ductile iron components · Stainless manifolds · Oil and coolant galleries
Use a pilot hole, enter at low RPM/feed, then switch to full speed after the drill is supported. Avoid dwell in the hole.
Recommended. Pilot diameter should match the drill tolerance closely and guide at least 1.5-2D.
Internal coolant at 30-50 bar with clean filtration is strongly recommended for chip evacuation.
8D DIN 6537 SKU Range
Deep hole — steel, stainless, ductile iron, oil galleries
| DIAMETRO TAGLIO (D1) h7 | LUNGHEZZA SCANALATURA (L2) | DIAMETRO CODOLO (D2) h6 | LUNGHEZZA TOTALE (L1) | Price | PAGINA SKU | |
|---|---|---|---|---|---|---|
| 3,00 | 0.1181 | 30,00 | 4,00 | 70,00 | 10,30 € | Dettagli |
| 4,00 | 0.1575 | 42,00 | 4,00 | 83,00 | 12,88 € | Dettagli |
| 5,00 | 0.1969 | 50,00 | 6,00 | 90,00 | 20,99 € | Dettagli |
| 6,00 | 0.2362 | 57,00 | 6,00 | 97,00 | 23,14 € | Dettagli |
| 7,00 | 0.2756 | 76,00 | 8,00 | 116,00 | 39,73 € | Dettagli |
| 8,00 | 0.3150 | 76,00 | 8,00 | 116,00 | 39,73 € | Dettagli |
| 9,00 | 0.3543 | 87,00 | 10,00 | 131,00 | 60,23 € | Dettagli |
| 10,00 | 0.3937 | 95,00 | 10,00 | 139,00 | 64,35 € | Dettagli |
| 11,00 | 0.4331 | 106,00 | 12,00 | 163,00 | 100,57 € | Dettagli |
| 12,00 | 0.4724 | 114,00 | 12,00 | 163,00 | 100,57 € | Dettagli |
| 13,00 | 0.5118 | 133,00 | 14,00 | 182,00 | 151,44 € | Dettagli |
| 14,00 | 0.5512 | 133,00 | 14,00 | 182,00 | 151,44 € | Dettagli |
| 15,00 | 0.5906 | 152,00 | 16,00 | 204,00 | 220,17 € | Dettagli |
| 16,00 | 0.6299 | 152,00 | 16,00 | 204,00 | 220,17 € | Dettagli |
| 17,00 | 0.6693 | 171,00 | 18,00 | 223,00 | 302,96 € | Dettagli |
| 18,00 | 0.7087 | 171,00 | 18,00 | 223,00 | 302,96 € | Dettagli |
| 19,00 | 0.7480 | 190,00 | 20,00 | 244,00 | 407,47 € | Dettagli |
| 20,00 | 0.7874 | 190,00 | 20,00 | 244,00 | 407,47 € | Dettagli |
Process Notes
Use a pilot hole, enter at low RPM/feed, then switch to full speed after the drill is supported. Avoid dwell in the hole.
Recommended. Pilot diameter should match the drill tolerance closely and guide at least 1.5-2D.
Internal coolant at 30-50 bar with clean filtration is strongly recommended for chip evacuation.
Include machine model, toolholder, coolant pressure, material hardness, hole depth, and whether the hole is blind or through.
RFQ Checklist
DAL NOSTRO REPARTO
Due video girati nel nostro reparto: affilatura CNC e controllo dimensionale.
Guarda come produciamo frese, punte e utensili speciali in metallo duro con una rettificatrice CNC.
Guarda su YouTubeIl controllo delle frese di precisione in metallo duro con il sistema ZOLLER.
Guarda su YouTube