Mitsubishi DCMT11T308 US735 Carbide Turning Insert for Stainless Steel (10pcs)
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DCMT11T308 US735
High-Strength CVD Carbide | Stainless Steel Workhorse | 0.8mm Radius
Engineered for High-Load Stainless Machining
US735 Grade (CVD Coating Technology): The US735 is Mitsubishi’s most reliable grade for stainless steel turning. It utilizes a thick TiCN + Al2O3 CVD coating that provides an effective thermal barrier against the heat-prone nature of stainless alloys. Its high fracture toughness allows it to handle interrupted cuts and rough surface scales without edge failure.
DCMT Geometry (Positive Chip Control): The 55-degree diamond shape with a 7-degree relief angle ensures low cutting resistance. This geometry is designed to "shear" the material, reducing the work-hardening effect on the workpiece—a critical factor when machining materials like 304 and 316 stainless.
0.8mm Radius (High Edge Strength): The "08" radius is the robust choice. It provides a larger contact area which dissipates heat more effectively and allows for higher feed rates than 0.4mm inserts, making it ideal for semi-finishing passes.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT11T308 | 9.525 mm | 3.97 mm | 0.80 mm |
| Imperial | DCMT32.52 | 3/8" | 5/32" | 0.0315" (1/32") |
Recommended Machining Parameters
*The 0.8mm radius allows for increased productivity and feed rates. Ensure stable setup for maximum tool life.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| 300 Series Stainless | 70 - 160 m/min | 0.10 - 0.30 mm/r | 0.50 - 2.50 mm |
| Duplex Stainless Steel | 40 - 100 m/min | 0.08 - 0.25 mm/r | 0.50 - 2.00 mm |
Compatible Tool Holders
Maximum productivity for external profiling and internal boring with 11-series holders:
Shop SDJCR 11 HoldersPro-Tip: US735 vs. NX2525
US735 (CVD Carbide): The impact and heat specialist. Choose this for Stainless Steels and high-load applications. It survives where other grades fail.
NX2525 (Cermet): Designed for mirror-finishes on Carbon Steels only. Never use Cermet on stainless steel, as the chemical affinity will lead to rapid cratering and edge failure.
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This Mitsubishi insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.