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[Features]
·Radius (R) accuracy of ±5 µm (compared to the manufacturer measurements) enables high precision deep cavity milling
·By adopting 4-flute shape, it is possible to process at high feed setting compared to 2-flute
·Can be regrinded. Please refer to the page dedicated to "regrinding service" for usage procedures, range of services, prices, etc.
Part Number
Configured Part Number is shown.

| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Outer Diameter (D) (φ) | R Size (mm) | Work Material | Flute Length (ℓ) (mm) | Overall Length (L) (mm) | Shank Diameter (d) (mm) | Length Under Neck (ℓ1) (mm) | Processing Applications | R Precision (μm) | Additional Classification | #6 | Figure | Under Neck Diameter d1 (mm) | Actual Effective Length Depends on Work Inclination Angle 30' (mm) | Actual Effective Length Depends on Work Inclination Angle 1° (mm) | Actual Effective Length Depends on Work Inclination Angle 2° (mm) | Actual Effective Length Depends on Work Inclination Angle 3° (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 289.17 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 70 | 6 | 25 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 26.18 | 27.47 | 30.51 | Without Interference | |
MYR 323.74 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.3 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 70 | 6 | 25 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 26.18 | 27.47 | 30.51 | Without Interference | |
MYR 322.85 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 70 | 6 | 25 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 26.18 | 27.47 | 30.51 | Without Interference | |
MYR 322.85 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 70 | 6 | 25 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 26.18 | 27.47 | 30.51 | Without Interference | |
MYR 239.31 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 31.41 | 32.97 | 36.62 | Without Interference | |
MYR 239.31 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 31.41 | 32.97 | 36.62 | Without Interference | |
MYR 350.91 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.3 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 31.41 | 32.97 | 36.62 | Without Interference | |
MYR 267.74 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 31.41 | 32.97 | 36.62 | Without Interference | |
MYR 282.66 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 41.88 | 43.96 | Without Interference | Without Interference | |
MYR 291.98 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 41.88 | 43.96 | Without Interference | Without Interference | |
MYR 350.91 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.3 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 41.88 | 43.96 | Without Interference | Without Interference | |
MYR 239.31 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 41.88 | 43.96 | Without Interference | Without Interference | |
MYR 255.50 | 1 Piece(s) | Available | 4 Day(s) or more | 3 | 1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 4.5 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 2.9 | 41.88 | 43.96 | Without Interference | Without Interference | |
MYR 218.32 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 50 | 6 | 16 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 16.75 | 17.58 | 19.53 | Without Interference | |
MYR 255.40 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 50 | 6 | 16 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 16.75 | 17.58 | 19.53 | Without Interference | |
MYR 218.32 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 50 | 6 | 16 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 16.75 | 17.58 | 19.53 | Without Interference | |
MYR 261.02 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 50 | 6 | 16 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 16.75 | 17.58 | 19.53 | Without Interference | |
MYR 256.31 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 70 | 6 | 20 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 20.94 | 21.98 | 24.41 | Without Interference | |
MYR 347.01 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 70 | 6 | 20 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 20.94 | 21.98 | 24.41 | Without Interference | |
MYR 238.57 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 70 | 6 | 20 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 20.94 | 21.98 | 24.41 | Without Interference | |
MYR 323.66 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 70 | 6 | 20 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 20.94 | 21.98 | 24.41 | Without Interference | |
MYR 256.31 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 31.41 | 32.97 | 36.62 | Without Interference | |
MYR 279.77 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 31.41 | 32.97 | 36.62 | Without Interference | |
MYR 238.57 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 31.41 | 32.97 | 36.62 | Without Interference | |
MYR 243.28 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 31.41 | 32.97 | 36.62 | Without Interference | |
MYR 457.01 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 41.88 | 43.96 | Without Interference | Without Interference | |
MYR 418.06 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 41.88 | 43.96 | Without Interference | Without Interference | |
MYR 348.47 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 41.88 | 43.96 | Without Interference | Without Interference | |
MYR 348.47 | 1 Piece(s) | Available | 4 Day(s) or more | 4 | 1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 6 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 3.8 | 41.88 | 43.96 | Without Interference | Without Interference | |
MYR 382.58 | 1 Piece(s) | Available | 4 Day(s) or more | 5 | 0.1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 7.5 | 70 | 6 | 25 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 4.8 | 26.18 | 27.47 | Without Interference | Without Interference | |
MYR 334.18 | 1 Piece(s) | Available | 4 Day(s) or more | 5 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 7.5 | 70 | 6 | 25 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 4.8 | 26.18 | 27.47 | Without Interference | Without Interference | |
MYR 409.05 | 1 Piece(s) | Available | 4 Day(s) or more | 5 | 0.3 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 7.5 | 70 | 6 | 25 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 4.8 | 26.18 | 27.47 | Without Interference | Without Interference | |
MYR 325.76 | 1 Piece(s) | Available | 4 Day(s) or more | 5 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 7.5 | 70 | 6 | 25 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 4.8 | 26.18 | 27.47 | Without Interference | Without Interference | |
MYR 272.89 | 1 Piece(s) | Available | 4 Day(s) or more | 5 | 1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 7.5 | 70 | 6 | 25 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 4.8 | 26.18 | 27.47 | Without Interference | Without Interference | |
MYR 368.55 | 1 Piece(s) | Available | 4 Day(s) or more | 5 | 0.1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 7.5 | 100 | 6 | 35 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 4.8 | 36.65 | Without Interference | Without Interference | Without Interference | |
MYR 480.67 | 1 Piece(s) | Available | 4 Day(s) or more | 5 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 7.5 | 100 | 6 | 35 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 4.8 | 36.65 | Without Interference | Without Interference | Without Interference | |
MYR 458.22 | 1 Piece(s) | Available | 4 Day(s) or more | 5 | 0.3 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 7.5 | 100 | 6 | 35 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 4.8 | 36.65 | Without Interference | Without Interference | Without Interference | |
MYR 387.50 | 1 Piece(s) | Available | 4 Day(s) or more | 5 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 7.5 | 100 | 6 | 35 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 4.8 | 36.65 | Without Interference | Without Interference | Without Interference | |
MYR 369.77 | 1 Piece(s) | Available | 4 Day(s) or more | 5 | 1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 7.5 | 100 | 6 | 35 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 1 | 4.8 | 36.65 | Without Interference | Without Interference | Without Interference | |
MYR 376.28 | 1 Piece(s) | Available | 4 Day(s) or more | 6 | 0.1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 9 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 5.8 | Without Interference | Without Interference | Without Interference | Without Interference | |
MYR 272.89 | 1 Piece(s) | Available | 4 Day(s) or more | 6 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 9 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 5.8 | Without Interference | Without Interference | Without Interference | Without Interference | |
MYR 305.23 | 1 Piece(s) | Available | 4 Day(s) or more | 6 | 0.3 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 9 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 5.8 | Without Interference | Without Interference | Without Interference | Without Interference | |
MYR 272.89 | 1 Piece(s) | Available | 4 Day(s) or more | 6 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 9 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 5.8 | Without Interference | Without Interference | Without Interference | Without Interference | |
MYR 395.03 | 1 Piece(s) | Available | 4 Day(s) or more | 6 | 1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 9 | 70 | 6 | 30 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 5.8 | Without Interference | Without Interference | Without Interference | Without Interference | |
MYR 565.99 | 1 Piece(s) | Available | 4 Day(s) or more | 6 | 0.1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 9 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 5.8 | Without Interference | Without Interference | Without Interference | Without Interference | |
MYR 432.45 | 1 Piece(s) | Available | 4 Day(s) or more | 6 | 0.2 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 9 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 5.8 | Without Interference | Without Interference | Without Interference | Without Interference | |
MYR 455.75 | 1 Piece(s) | Available | 4 Day(s) or more | 6 | 0.3 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 9 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 5.8 | Without Interference | Without Interference | Without Interference | Without Interference | |
MYR 516.59 | 1 Piece(s) | Available | 4 Day(s) or more | 6 | 0.5 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 9 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 5.8 | Without Interference | Without Interference | Without Interference | Without Interference | |
MYR 455.75 | 1 Piece(s) | Available | 4 Day(s) or more | 6 | 1 | General Steel[◎] / Heat-Treated Steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum Alloy[○] / Copper Alloy[○] | 9 | 100 | 6 | 40 | Flat Surface / Side Surface / Curved Surface / Groove / Inclined Cutting | ±0.005 | Stocked Product | - | 2 | 5.8 | Without Interference | Without Interference | Without Interference | Without Interference |
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Model Number
TSC-CR-PEM4LB (Stocked Product)
| Outer Diameter D |
Length Under Neck ℓ1 |
Radius R |
Flute Length ℓ |
Under Neck Diameter d1 |
Overall Length L |
Shank Diameter d |
Actual Effective Length Depends on Work Inclination Angle | Figure | |||
| 30' | 1° | 2° | 3° | ||||||||
| 1 |
3
|
0.05 0.1 0.2 0.3
|
1.5
|
0.95
|
50
|
4
|
3.14
|
3.30
|
3.66
|
4.12
|
1 |
|
4
|
4.19
|
4.40
|
4.88
|
5.49
|
|||||||
|
5
|
5.24
|
5.49
|
6.10
|
6.87
|
|||||||
|
6
|
6.28
|
6.59
|
7.32
|
8.24
|
|||||||
|
8
|
8.38
|
8.79
|
9.76
|
10.98
|
|||||||
|
10
|
10.47
|
10.99
|
12.21
|
13.73
|
|||||||
|
12
|
12.57
|
13.19
|
14.65
|
16.48
|
|||||||
| 1.2 |
5
|
0.1 0.2 0.3
|
1.8
|
1.15
|
50
|
4
|
5.24
|
5.49
|
6.10
|
6.87
|
1 |
|
10
|
10.47
|
10.99
|
12.21
|
13.73
|
|||||||
|
15
|
15.71
|
16.48
|
18.31
|
20.60
|
|||||||
| 1.5 |
6
|
0.1 0.5
|
2.3
|
1.45
|
50
|
4
|
6.28
|
6.59
|
7.32
|
8.24
|
1 |
|
12
|
12.57
|
13.19
|
14.65
|
16.48
|
|||||||
|
16
|
16.75
|
17.58
|
19.53
|
21.97
|
|||||||
|
6
|
0.2 0.3
|
6.28
|
6.59
|
7.32
|
8.24
|
||||||
|
8
|
8.38
|
8.79
|
9.76
|
10.98
|
|||||||
|
10
|
10.47
|
10.99
|
12.21
|
13.73
|
|||||||
|
12
|
12.57
|
13.19
|
14.65
|
16.48
|
|||||||
|
16
|
16.75
|
17.58
|
19.53
|
21.97
|
|||||||
| 2 |
8
|
0.1 0.3
|
3
|
1.95
|
50
|
4
|
8.38
|
8.79
|
9.76
|
10.98
|
1 |
|
12
|
12.57
|
13.19
|
14.65
|
16.48
|
|||||||
|
16
|
16.75
|
17.58
|
19.53
|
Without Interference
|
|||||||
|
20
|
70
|
20.94
|
21.98
|
24.41
|
Without Interference
|
||||||
|
24
|
25.13
|
26.38
|
Without Interference
|
Without Interference
|
|||||||
|
8
|
0.2 0.5
|
3
|
1.95
|
50
|
4
|
8.38
|
8.79
|
9.76
|
10.98
|
1 | |
|
10
|
10.47
|
10.99
|
12.21
|
13.73
|
|||||||
|
12
|
12.57
|
13.19
|
14.65
|
16.48
|
|||||||
|
14
|
14.66
|
15.39
|
17.09
|
19.22
|
|||||||
|
16
|
16.75
|
17.58
|
19.53
|
Without Interference
|
|||||||
|
20
|
70
|
20.94
|
21.98
|
24.41
|
Without Interference
|
||||||
|
24
|
25.13
|
26.38
|
Without Interference
|
Without Interference
|
|||||||
| 2.5 |
15
|
0.1 0.2 0.3 0.5
|
3.7
|
2.4
|
50
|
4
|
15.71
|
16.48
|
18.31
|
Without Interference
|
1 |
|
20
|
70
|
20.94
|
21.98
|
Without Interference
|
Without Interference
|
||||||
|
30
|
31.41
|
32.97
|
Without Interference
|
Without Interference
|
|||||||
| 3 |
16
|
0.1 0.2 0.3 0.5 1
|
4.5
|
2.9
|
70
|
6
|
16.75
|
17.58
|
19.53
|
21.97
|
1 |
|
20
|
20.94
|
21.98
|
24.41
|
27.46
|
|||||||
|
25
|
26.18
|
27.47
|
30.51
|
Without Interference
|
|||||||
|
30
|
31.41
|
32.97
|
36.62
|
Without Interference
|
|||||||
|
40
|
100
|
41.88
|
43.96
|
Without Interference
|
Without Interference
|
||||||
| 4 |
16
|
0.1 0.2 0.5 1
|
6
|
3.8
|
50
|
6
|
16.75
|
17.58
|
19.53
|
Without Interference
|
1 |
|
20
|
70
|
20.94
|
21.98
|
24.41
|
Without Interference
|
||||||
|
30
|
31.41
|
32.97
|
36.62
|
Without Interference
|
|||||||
|
40
|
100
|
41.88
|
43.96
|
Without Interference
|
Without Interference
|
||||||
| 5 |
25
|
0.1 0.2 0.3 0.5 1
|
7.5
|
4.8
|
70
|
6
|
26.18
|
27.47
|
Without Interference
|
Without Interference
|
1 |
|
35
|
100
|
36.65
|
Without Interference
|
Without Interference
|
Without Interference
|
||||||
| 6 |
30
|
0.1 0.2 0.3 0.5 1
|
9
|
5.8
|
70
|
6
|
Without Interference
|
Without Interference
|
Without Interference
|
Without Interference
|
2 |
|
40
|
100
|
Without Interference
|
Without Interference
|
Without Interference
|
Without Interference
|
||||||
Model Number
LN-TSC-CR-EM4S (Manufactured Product)
| Outer Diameter D |
Radius R |
Length Under Neck ℓ1 1 mm Increment Designation |
Flute Length ℓ |
Under Neck Diameter d1 |
Overall Length L |
Shank Diameter d |
Figure |
| 2 | 0.5 | 9 ~ 21 | 4 | 1.95 | 40 | 4 | 3 |
| 3 | 0.5 | 11 ~ 21 | 6 | 2.9 | 45 | 6 | 3 |
| 4 | 0.5 | 13 ~ 23 | 8 | 3.8 | 45 | 6 | 3 |
| 5 | 0.5 | 17 ~ 25 | 12 | 4.8 | 45 | 6 | 3 |
[ ! ]When ordering manufactured products, be sure to confirm the ordering examples as the points below differ when ordering a stocked product.
(1) "LN-" is prepended to the start of the model number. (2) "S" is appended to the end of the model number.(3) The order for specifying the "length under neck" and "radius" is the opposite from that of stocked products.
For Cutting Conditions, Refer to >>Click here.

● Radius (R) accuracy is of high quality at ±5 μm (compared to our other products), allowing for high-precision deep groove machining to be achieved.
● It adopts a 4-flute shape to allow higher feed configurations compared to machining with 2-flute models. 
| Number of Flutes(sheet) | 4 | Model | Long Neck Radius | Coating | For High Hardness (Silicone-Based) |
|---|---|---|---|---|---|
| Torsion Angle (θ) | Standard Helix (30 to 40°) |

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