Mitsubishi MTTR436001 UTI20T Threading Insert | MMC Japan
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MTTR436001 UTI20T
Mitsubishi Materials | Precision Threading & Grooving Insert
The Mitsubishi MTTR436001 UTI20T is a specialized threading insert designed for high-stability performance on CNC lathes. The MTTR geometry is a triangle-based precision profile, often utilized for external threading where edge strength is paramount. Unlike coated inserts, the UTI20T uncoated carbide grade provides an incredibly sharp cutting edge, making it the professional choice for threading non-ferrous metals, cast iron, and general steel applications where coating delamination is a concern.
Technical Specifications
| ISO Designation | MTTR436001 |
|---|---|
| ANSI Designation | MTTR 43 60 01 |
| Carbide Grade | UTI20T (Uncoated Carbide) |
| Hand of Tool | Right Hand (R) |
| Primary Application | Steel, Stainless Steel, Cast Iron |
UTI20T Material Composition
The UTI20T grade is a versatile P20-P30 / K20 grade uncoated carbide. It is engineered for general-purpose machining across a wide range of materials. Because it lacks a thick PVD/CVD layer, the cutting edge remains extremely sharp, reducing cutting resistance and preventing work hardening in sensitive materials like austenitic stainless steel.
MTTR Geometry Features
The 43-size threading insert offers a robust substrate that absorbs vibrations during heavy-duty threading. Its precision-ground profile ensures high thread surface finish quality and dimensional accuracy, making it ideal for indexable threading where tight tolerances are required.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) (m/min) | Feed ($f$) (mm/rev) |
|---|---|---|
| Mild Steel (Low Carbon) | 80 - 150 | Pitch Dependent |
| Stainless Steel (304/316) | 60 - 120 | Pitch Dependent |
| Cast Iron (Gray/Ductile) | 70 - 140 | Pitch Dependent |
MTTL / MTTR TOOL HOLDER COMPATIBILITY
This insert is designed for Mitsubishi MTTR tool holders. Ensure the holder matches the 43 size designation for a secure fit.
View Compatible MTTR Holders →Metric vs. Inch Cross-Reference
| Feature | Metric Designation | Inch Designation (ANSI) |
|---|---|---|
| Insert Size | MTTR 43 | MTTR 43 (3/8" Shank Fitment) |
| Designation System | ISO Standard | ANSI Standard |