SDKT-SM
High-feed insert for stainless steels and superalloys, with SM chipbreaker and positive cutting edge.
ISO P
ISO M
ISO K
ISO S
High feed
Roughing
★ IT5130 · IT7140 · IT7240
Technical data sheet PDFCutting data, sizes and grades
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Description
Specifications
| Code | IC | S | D1 | RE | APMX |
|---|---|---|---|---|---|
| SDKT09T312ZDER-SM | 9.525 | 3.97 | 4.16 | 1.2 | 1.2 |
| SDKT120520ZDER-SM | 12.788 | 5 | 4.45 | 2 | 1.4 |
Dimensions in mm. IC = inscribed circle, S = thickness, D1 = hole, BS = wiper flat, RE = corner radius, AN = clearance angle, APMX = maximum depth of cut.
Technical data
| Operation | Milling – High feed |
| Shape | Square |
| ISO material | P (steels), M (stainless steels), K (cast irons), S (superalloys and titanium) |
| Features | Positive version for difficult materials: stainless steels, titanium and superalloys in high-feed milling and ramping. |
| Compatible cutters | Indexable cutters with SDKT-SM seat: send us your cutter code and we will check compatibility. |
Available INNOT grades
| Grade | ISO | Coating | Composition | Application |
|---|---|---|---|---|
| IT5130 ★ | P · M | PVD | AlTiN | High-efficiency milling of steels and stainless steels below 30 HRC. Specially formulated substrate that reduces the risk of chipping, with a latest-generation nano coating. |
| IT7140 ★ | M · S | PVD | AlCrN | Milling of stainless steels, titanium alloys and superalloys. Substrate with special micro-elements: excellent toughness and high-temperature performance. |
| IT7240 ★ | M · S | PVD | AlCrN | Milling of difficult materials: stainless steels, superalloys and titanium. High hot hardness, high toughness and resistance to fatigue fracture. |
| IT5120 | P · M · K | PVD | TiAlN + CrAlN + TiSiN | Universal grade for steels, stainless steels and cast irons, also ideal on materials of 35–50 HRC. Excellent wear resistance and toughness, high hot hardness. |
★ Recommended grade. Other grades are available on request.
Cutting data and tips for use
Guide values on mild steel with IT5120/IT5130: Vc 180 m/min (140–220), ap 1.2 mm (SDKT09) / 1.4 mm (SDKT12), fz 0.8 (0.6–1.5) / 1.2 (0.8–2.0) mm/tooth. When ramping the maximum angle ranges from 3° (Ø25) to 0.4° (Ø125).















