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Avoids the interference of tools in deep engraving and achieves the high efficiency machining by high feed
Part Number
Configured Part Number is shown.

| Part Number |
|---|
| TSC-MCR-LS-HFEM4S4 |
| TSC-MCR-LS-HFEM4S6 |
| TSC-MCR-LS-HFEM4S8 |
| TSC-MCR-LS-HFEM4S10 |
| TSC-MCR-LS-HFEM4S12 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Outer Diameter (D) (φ) | R Size (mm) | Flute Length (ℓ) (mm) | Overall Length (L) (mm) | Shank Diameter (d) (mm) | Length Under Neck (ℓ1) (mm) | Figure | Shoulder Radius R1 (mm) | Base Radius R2 (mm) | Approximate R-Value (mm) | Under Neck Diameter d1 (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 377.37 | 1 Piece(s) | Available | 2 Day(s) or more | 4 | 0.813 | 8 | 80 | 6 | 35 | 1 | 0.5 | 4 | 0.813 | 3.8 | |
MYR 415.03 | 1 Piece(s) | Available | 2 Day(s) or more | 6 | 1.219 | 10 | 120 | 6 | 70 | 1 | 0.5 | 9 | 1.219 | 5.7 | |
MYR 639.80 | 1 Piece(s) | Available | 2 Day(s) or more | 8 | 1.625 | 16 | 135 | 8 | 85 | 2 | 1 | 12 | 1.625 | 7.6 | |
MYR 982.11 | 1 Piece(s) | Available | 2 Day(s) or more | 10 | 2.031 | 20 | 150 | 10 | 100 | 2 | 1.5 | 15 | 2.031 | 9.5 | |
MYR 1,475.92 | 1 Piece(s) | Available | 2 Day(s) or more | 12 | 2.438 | 24 | 160 | 12 | 108 | 2 | 1.5 | 18 | 2.438 | 11.5 |
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Model Number
TSC-MCR-LS-HFEM4S (4 Flutes)
| Outer Diameter D |
Shoulder Radius R1 |
Base Radius R2 |
Approximate R-Value | Flute Length ℓ |
Under Neck Diameter d1 |
Length Under Neck ℓ1 |
Overall Length L |
Shank Diameter d |
Figure |
| 4 | 0.5 | 4 | 0.813 | 8 | 3.8 | 35 | 80 | 6 | 1 |
| 6 | 0.5 | 9 | 1.219 | 10 | 5.7 | 70 | 120 | 6 | 1 |
| 8 | 1 | 12 | 1.625 | 16 | 7.6 | 85 | 135 | 8 | 2 |
| 10 | 1.5 | 15 | 2.031 | 20 | 9.5 | 100 | 150 | 10 | 2 |
| 12 | 1.5 | 18 | 2.438 | 24 | 11.5 | 108 | 160 | 12 | 2 |
For Cutting Conditions, Refer to >>Click here.

● The shoulder R and base R composite radius eliminate the medium finishing process by (1), enabling high-speed feeding due to thin chippings when bottom-surface machining, and by (2), minimizing the cusp height (leftover) when machining lines at the same height.
● The long neck models not only avoid tool interference, but can also achieve increased efficiency when machining deep grooves.
● The TS coating consisting of a nitride-based composite film with a fully crystalline structure means that it yields a high oxidation resistance temperature and high hardness. Ideal for high speed machining and dry machining of anything from raw carbon steel materials to heat-treated / high hardness steel.
[ ! ]This product has a special groove shape with a performance that may not be reproducible without the use of Misumi's dedicated re-grinding. 
| Work Material | General Steel / Heat-Treated Steel / High-Hardness Steel ~ HRC55 / High-Hardness Steel ~ HRC60 / High-Hardness Steel – HRC65 / Stainless Steel / Cast Iron | Number of Flutes(sheet) | 4 | Model | High-Feed Radius |
|---|---|---|---|---|---|
| Processing Applications | Flat Surface / Side Surface / Curved Surface / Inclined Cutting | Coating | For High Hardness (Silicone-Based) | Torsion Angle (θ) | Powerful Helix (45° to 60°) |
| Additional Classification | Stocked Product |
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