Mitsubishi SCMT09T304-FM VP15TF Carbide Insert | Genuine MMC
Mitsubishi SCMT09T304 NX2525 Cermet Insert | Genuine MMC Japan
Mitsubishi SCMW09T308 UC5115 Carbide Insert | Genuine Cast Iron Specialist
Mitsubishi SCMT120408-MM VP15TF Carbide Insert | Genuine MMC
Mitsubishi SCMT120408 US735 Carbide Insert | Genuine MMC Japan
Mitsubishi SCMT120408 UE6110 Carbide Insert | Genuine MMC Japan
Mitsubishi SCMT120408 UE6020 Carbide Insert | Genuine MMC Japan
Mitsubishi SCMT120408 UC5115 Carbide Insert | Genuine MMC Japan
Mitsubishi SCMT120404 US735 Carbide Insert | MMC Japan Genuine
Mitsubishi SCMT120404 UE6020 Carbide Insert | MMC Japan Genuine
Mitsubishi SCMT120404 UC5115 Carbide Insert | Genuine MMC Japan
Mitsubishi SCMT120404 NX2525 Cermet Insert | MMC Japan Genuine
Mitsubishi SCMT09T308-FM VP15TF Carbide Insert | Genuine MMC
Mitsubishi SCMT09T308 VP15TF Carbide Insert | Genuine MMC Japan
Mitsubishi SCMT09T308 US735 Carbide Insert | Genuine MMC Japan
Mitsubishi SCMT09T308 UE6110 Carbide Insert | Genuine MMC Japan
Mitsubishi SCMT09T308 NX2525 Cermet Insert | Genuine MMC Japan
Mitsubishi SCMT09T304-MM VP15TF Carbide Insert | Genuine MMC
Mitsubishi SCMT09T304 VP15TF Carbide Insert | Genuine MMC Japan
Mitsubishi SPCG53Z NX2525 | High-Finish Cermet Milling Insert
Mitsubishi SPMW090308 NX2525 | Mirror Finish Cermet Insert
Mitsubishi SPMW090304 UTI20T | Carbide Milling Insert for Steel
Mitsubishi SPMW090304 NX2525 | High-Gloss Cermet Milling Insert
Mitsubishi SPMW090304 HTI10 | Carbide Milling Insert for Aluminum
SPMN120308 F7030 (10pcs)
Mitsubishi SPMN120308 VP15TF | PVD Coated Carbide Insert
Mitsubishi SPMN120308 UTI20T | General Purpose Carbide Insert
About Mitsubishi SC 90° Square Turning Inserts
Mitsubishi Materials (三菱マテリアル) 90° square positive turning inserts offer a perfect 90° approach angle — the geometry of choice for facing, square shoulder turning, and profiling square corners. The dominant family is SCMT (90° square, with hole, positive 7° clearance) with 17 SKUs across 2 IC sizes. Mitsubishi's line also includes SCMW (90° square, flat top, for cast iron) and a few SPMW/SPMN precision milling inserts (mis-categorized here by the auto-filter). Every insert on this page is genuine OEM Mitsubishi product manufactured at Mitsubishi's Kyushu Japan facilities. CNCHome-Beyond is an authorized Mitsubishi distributor; orders placed before 3 PM China time ship same-day from our Hangzhou warehouse with DHL/UPS/FedEx express delivery in 3-7 business days.
Why 90° Square Inserts (vs Rhombic/Triangle)?
| Property | 90° Square (SCMT) | 80° Rhombic (CCMT) | 55° Rhombic (DCMT) | 60° Triangle (TCMT) | Winner for 90° |
|---|---|---|---|---|---|
| Approach angle | 90° (perfect square) | 80° (obtuse) | 55° (acute) | 60° (sharp) | 90° for square shoulder + facing |
| Cutting edges per insert | 4 (square) | 2 (positive) / 8 (negative CNMG) | 2 | 3 (60° tri) | 90° positive: 4 edges |
| Edge strength | High (square corners) | High | Lower (acute) | Low (3 corners) | 90° for medium-heavy cuts |
| Radial force (Fr) | Highest (perpendicular cut) | Medium | Low | Medium | 90° for facing, low for slender |
| Axial force (Fa) | Lowest (90° perpendicular) | Medium | High | Medium | 90° for low-spindle-power machines |
| Surface finish | Good (4-corner edge) | Better (sharp 80°) | Best (sharp 55°) | Good | 55° for finish; 90° for roughing |
| Shoulder milling | Best (perfect 90°) | OK (80° leaves small chamfer) | Poor (acute) | Poor (60°) | 90° for square shoulder milling |
| Best for | Facing, square shoulders | General turning, profiling | Profiling, slender shafts | Light profiling | 90° for facing + 90° shoulders |
When to choose 90° square (SCMT) over 80° (CCMT) or 55° (DCMT): Use 90° square when the operation requires perfect 90° shoulders (square shoulder milling, square shoulder turning) or pure facing with the cutting edge perpendicular to the workpiece axis. The 90° geometry has the lowest axial force (good for low-spindle-power machines) but the highest radial force (not good for slender shafts). For general-purpose turning where the shoulder angle doesn't matter, use 80° CCMT. For profiling slender shafts, use 55° DCMT.
Mitsubishi Grade Family Reference (7 Grades for SC 90° Square)
| Grade | Coating / Material | Workpiece | Recommended Speed | Best For |
|---|---|---|---|---|
| US735 | CVD (TiCN + thick Al2O3) | Stainless (M15-M35), steel heavy | 100-180 m/min | Stainless + steel heavy roughing workhorse |
| NX2525 | CVD 2nd-gen + cermet | Steel (P10-P30) + cermet | 100-200 m/min | Steel + cermet mirror finish (NX = Next-gen) |
| VP15TF | PVD (Al-rich TiAlN, "Miracle Coat") | Universal (P10-P30, M10-M25, S05-S20) | 100-220 m/min | Universal workhorse, stainless + high-temp alloys |
| UE6020 | CVD (universal P-grade, lighter) | Steel (P10-P25) | 120-200 m/min | Steel finishing, low cutting force |
| UE6110 | CVD (universal P-grade, tougher) | Steel (P15-P35) | 100-180 m/min | Steel general purpose (workhorse) |
| UC5115 | CVD (K-grade) | Cast iron (K10-K25) | 150-300 m/min | Cast iron universal (especially SCMW) |
| HTI10 / UTI20T | Uncoated cermet-grade / universal | Aluminum / non-ferrous | 300-1000 m/min | Aluminum + non-ferrous roughing (SPMW) |
| F7030 | PVD (aluminum-specific, sharp edge) | Aluminum (N10-N25) | 300-1000 m/min | Aluminum milling (SPMN) |
For more details on Mitsubishi's grade naming convention (US/NX/VP/UE/UC/HTI/UTI/F7 series), see our Mitsubishi CC/CP 80° Diamond collection which has a complete grade decoder section.
Mitsubishi 90° Square Geometry at a Glance
| Series | IC Size | Type | Operation | Best For |
|---|---|---|---|---|
| SCMT | 09T3 (9.525mm) / 1204 (12.7mm) | 90° square, with hole, positive 7° | Facing, square shoulder turning, profiling | Mainstream 90° positive turning — 17 SKUs |
| SCMW | 09T3 / 1204 | 90° square, with hole, flat top (no chip-breaker) | Cast iron roughing, regrindable | Cast iron workhorse (specialty) |
| SPMW / SPMN | 0903 (9.525mm) / 1203 (12.7mm) | 90° square milling with/without hole | Face milling, shoulder milling | Precision square shoulder milling (mis-categorized) |
Need to compare with other brand 90° square insert geometries? See our complete Insert Grade Cross-Reference Tool and SKU Cross-Reference for direct equivalents between Mitsubishi, Sandvik (SCMT), Kennametal (SPMT/KCSM), Iscar (SCMT), Walter (SPMT), Tungaloy, Kyocera, KORLOY, and ZCC·CT.
Mitsubishi Chip-Breaker Reference (3 Variants for 90° Square)
90° square inserts use a simpler chip-breaker naming convention than rhombic geometries:
| Chip-Breaker | Application | Best With Series |
|---|---|---|
| FM (finishing medium) | Light finishing, low cutting force | SCMT-FM (workhorse finishing) |
| MM (medium-medium) | General purpose, balanced chip control | SCMT-MM (general workhorse) |
| Standard (no suffix) | Flat top, heavy roughing, edge-prepped | SCMT standard (most common) |
How to Choose a Mitsubishi 90° Square Insert
Step 1: Match the geometry to the operation. For facing, square shoulder turning, or 90° shoulder milling, choose SCMT (90° square with hole). For cast iron heavy roughing with regrinding, choose SCMW (90° square flat top). For face milling with square shoulders, choose SPMW / SPMN.
Step 2: Match the grade to the workpiece material. Steel → UE6110 (workhorse) or NX2525 (cermet mirror finish). Stainless → US735 (CVD) or VP15TF (PVD Miracle Coat). Cast iron → UC5115 (CVD, especially for SCMW flat top). Aluminum → HTI10 or UTI20T (uncoated, sharp edge). High-temp alloys (Inconel, titanium) → VP15TF (PVD Al-rich).
Step 3: Match the chip-breaker to feed and depth of cut. Precision finishing (0.05-0.15 mm/rev) → FM. General purpose (0.10-0.20 mm/rev) → MM or standard. Heavy roughing (0.20-0.40 mm/rev) → standard flat top.
Step 4: Match the insert to the tool holder / cutter body. SCMT fits industry-standard PSBNR/L, PSKNR/L, PSSNR/L tool holders (positive 90° square). For facing with a facing holder, use PSBNR/L with the insert mounted upside-down. CNCHome-Beyond carries compatible aftermarket holders at 30-50% below OEM — see our turning tool holder guide and Insert Holder Selector.
Compatible Tool Holders & Cutter Bodies
Mitsubishi 90° square inserts fit the following CNCHome-Beyond tool holder families (all ISO 5610 standard, drop-in compatible with Mitsubishi OEM holders):
- Double-Clamp External Holders (DCLNR/L, PCLNR/L) — for general 80° and 90° turning
- Multi-Lock External Holders (MCLNR/L, MWLNR/L) — for quick-change 90° facing
- Lever-Lock (P-Type) External Holders — for high-mix production
- Screw-Clamp Boring Bars (S...DCLNR/L) — for internal turning
Need help matching square inserts to holders or face mill bodies? Use our Insert Holder Selector Tool for a guided 3-step match, or contact us for a custom face mill body quote.
Cross-Brand Equivalents to Mitsubishi 90° Square
Mitsubishi 90° square insert geometries are dimensionally interchangeable with other major brands. Direct equivalents:
| Mitsubishi | Sandvik | Kennametal | Iscar | Walter |
|---|---|---|---|---|
| SCMT 120408-MV VP15TF | SCMT 120408-PM GC4325 | SPMT 120408-HM KC7315 | SCMT 120408-PM IC8150 | SPMT 120408 WPP10 |
| SCMT 09T308-MV US735 | SCMT 09T308-PM GC4325 | SPMT 09T308-HM KC7315 | SCMT 09T308-PM IC8150 | SPMT 09T308 WPP10 |
| SCMW 120408 UC5115 | SCMW 120408-KM GC3040 | SPMW 120408 KCK20 | SCMW 120408 IC5005 | SPMW 120408 WPP10S |
| SPMW 090304 NX2525 | SPMW 090304-PM GC4325 | SDMT 090304 KC7315 | SPMW 090304 IC9080 | SPMW 090304 WPP10 |
Looking for a Sandvik or Kennametal equivalent at lower cost? See Sandvik master catalog or KORLOY positive turning for direct alternatives. Use our Insert Grade Cross-Reference Tool for grade-to-grade equivalents across 17+ brands.
Featured Bestsellers (16 SKUs across all 3 families)
Browse a representative selection from our 27-SKU catalog below, organized by geometry and grade. All featured inserts are in stock and ship same-day from Hangzhou. Click any part number to view detailed specs, grade composition, and recommended cutting parameters.
SCMT Series — 90° Square with Hole (Featured: 12 SKUs)
The SCMT is Mitsubishi's mainstream 90° square turning insert. Two IC sizes (09T3 and 1204) cover small to medium turning workpieces. The 7° positive clearance reduces cutting force. The 90° approach angle produces a perfect square shoulder.
- SCMT09T304 VP15TF - 9.5mm IC, no CB, PVD Miracle Coat universal (workhorse, small)
- SCMT09T308 VP15TF - 9.5mm IC, no CB, PVD (most popular small)
- SCMT09T304 US735 - 9.5mm IC, no CB, CVD stainless heavy (small)
- SCMT09T308 US735 - 9.5mm IC, no CB, CVD stainless heavy (most popular small)
- SCMT09T308 UE6110 - 9.5mm IC, no CB, CVD steel workhorse (small)
- SCMT09T308 NX2525 - 9.5mm IC, no CB, cermet mirror finish (small)
- SCMT09T304-FM VP15TF - 9.5mm IC, FM finish, PVD universal (small precision)
- SCMT09T304-MM VP15TF - 9.5mm IC, MM medium, PVD universal (small general)
- SCMT09T308-FM VP15TF - 9.5mm IC, FM, PVD universal (small precision)
- SCMT120408 US735 - 12.7mm IC, no CB, CVD stainless heavy (most popular medium)
- SCMT120408 UE6110 - 12.7mm IC, no CB, CVD steel workhorse (medium)
- SCMT120408 UE6020 - 12.7mm IC, no CB, CVD steel finishing (medium)
SCMW Series — 90° Square Flat Top for Cast Iron (Featured: 2 SKUs)
The SCMW has a flat top with no chip-breaker (MO design), making it the strongest 90° square geometry for cast iron roughing. The flat top can be reground on the periphery for maximum economy.
- SCMW09T308 UC5115 - 9.5mm IC, flat top, CVD cast iron workhorse
- SCMT120408 UC5115 - 12.7mm IC, UC5115, CVD cast iron (medium workhorse)
SPMW / SPMN Series — 90° Square Milling (Featured: 2 SKUs)
These precision square milling inserts (mis-categorized in the SC 90° collection by the auto-filter) are designed for face mills and shoulder mills. The flat top with honed edge provides stable high-feed milling.
- SPMW090304 NX2525 - 9.5mm IC, NX2525 cermet mirror finish (face mill)
- SPMN120308 F7030 - 12.7mm IC, F7030 PVD aluminum-specific (face mill aluminum)
Frequently Asked Questions
What is the difference between 90° square (SCMT) and 80° rhombic (CCMT) Mitsubishi inserts?
Both are positive turning inserts with the same 7° clearance angle, but with different point angles: 90° (SCMT) has a perfect 90° point that produces perfect square shoulders and the lowest axial force (good for low-spindle-power machines). 80° (CCMT) has an obtuse 80° point that's more versatile for general turning and profiling. The 90° geometry has 4 cutting edges per insert vs 2 for the 80° positive rhombic. Use 90° for facing, square shoulder turning, and 90° shoulder milling; use 80° for general purpose turning where the shoulder angle doesn't matter.
What is the difference between SCMT and SCMW Mitsubishi inserts?
Both are 90° square positive turning inserts with the same 7° clearance. SCMT has a precision chip-breaker groove on one side (and a flat land on the other) for general purpose turning. SCMW has a flat top on both sides (no chip-breaker groove) — "W" = "wiper flat" indicating maximum edge strength for the heaviest roughing on cast iron. Both have 4 cutting edges per insert. Use SCMT for 90% of operations; use SCMW for the heaviest cast iron roughing where chip-breaker corners might chip.
What is the equivalent of Mitsubishi SCMT 120408 US735 in other brands?
Mitsubishi SCMT 120408 US735 is the industry-standard 90° square positive turning insert (12.7mm IC, 0.8mm nose, 7° positive clearance, US735 CVD stainless heavy grade). Direct equivalents: Sandvik SCMT 120408-PM GC4325, Kennametal SPMT 120408-HM KC7315, Iscar SCMT 120408-PM IC8150, Walter SPMT 120408 WPP10, Kyocera SCMT 120408HQ PR1535. All are dimensionally interchangeable on the same 90° square turning tool holder. For grade cross-reference, see our Insert Grade Cross-Reference Tool.
What is the difference between FM, MM, and standard chip-breakers in SCMT?
All three are valid chip-breaker options for SCMT 90° square inserts. FM (Finishing Medium) has a small chip-breaker for low cutting force at light feed (0.05-0.15 mm/rev). MM (Medium Medium) has a deeper chip-breaker for general purpose at medium feed (0.10-0.25 mm/rev). Standard (no chip-breaker suffix) has a flat top with edge preparation, suitable for heavy roughing at high feed (0.20-0.40 mm/rev). Use FM for precision finishing; use MM for general purpose; use standard for heavy roughing.
What is the SPMW / SPMN family and why are they in the SC 90° collection?
SPMW (Square Positive Milling, with hole) and SPMN (Square Positive Milling, no hole) are precision square milling inserts designed for face mills and shoulder mills. The "P" indicates Positive rake and "M" indicates Milling. They are dimensionally the same 90° square shape as SCMT/SCMW turning inserts but optimized for milling cutters. The SPMW/SPMN appear in the SC 90° collection because the auto-filter matches by shape rather than by application. If you need these for milling, see our Mitsubishi Milling collection instead.
What is the minimum order quantity for Mitsubishi 90° square turning inserts?
Sample orders start at 1 piece for grade validation. Standard production orders are 10-50 pieces per item. Bulk pricing tiers: 2-9 pieces 6% off, 10+ pieces 12% off (auto-applied at checkout). For custom IC sizes, chip-breakers, or grades not in our standard catalog, MOQ is 200 pieces with 6-8 week lead time from Mitsubishi Japan. See our warranty and return policy for details on grade validation samples.
Related Mitsubishi Collections
Order Mitsubishi 90° Square Turning Inserts or Request a Quote
Need an IC size, grade, or chip-breaker not in our standard catalog? Send us a part number, grade spec, and quantity — we will return a formal quote within 24 hours. Custom Mitsubishi geometries available on 6-8 week lead time from Japan.
CNCHome-Beyond — Authorized Mitsubishi Distributor. Genuine OEM product from Mitsubishi Materials Corporation, full lot traceability, same-day dispatch from Hangzhou for orders placed before 3 PM China time.
Want to know more about Mitsubishi 90° vs 80° vs 55° selection, SCMT vs SCMW, or square insert face milling? Read our CNC tooling knowledge base or check the complete cross-reference tool for grade-to-grade equivalents.