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Carbide 2-Flute Corner Radius Medium End Mill 30° B257X

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Volume Discount

7 LEADERS

•Model: Regular Type
•Number Of Flutes (sheet): 2
•Helix Angle (Θ): Standard Helix (30 to 40°)
•R Precision (µm): 0～-20
•Material: UMG

Part Number

Configured Part Number is shown.

Part Numbers

: 30; 45; 60

Part Number
B257X-3-R0.1
B257X-3-R0.2
B257X-3-R0.3
B257X-3-R0.5
B257X-4-R0.1
B257X-4-R0.2
B257X-4-R0.3
B257X-4-R0.5
B257X-4-R1
B257X-6-R0.2
B257X-6-R0.3
B257X-6-R0.5
B257X-6-R1
B257X-6-R1.5
B257X-6-R2
B257X-8-R0.2
B257X-8-R0.3
B257X-8-R0.5
B257X-8-R1
B257X-8-R1.5
B257X-8-R2
B257X-8-R3
B257X-10-R0.2
B257X-10-R0.3
B257X-10-R0.5
B257X-10-R1
B257X-10-R1.5
B257X-10-R2
B257X-10-R3
B257X-12-R0.2
B257X-12-R0.3
B257X-12-R0.5
B257X-12-R1
B257X-12-R1.5
B257X-12-R2
B257X-12-R3
B257X-16-R0.5
B257X-16-R1
B257X-16-R1.5
B257X-16-R2
B257X-16-R3
B257X-16-R4
B257X-20-R0.5
B257X-20-R1
B257X-20-R1.5
B257X-20-R2
B257X-20-R3
B257X-20-R4

Minimum order quantity	Volume Discount	Days to Ship	Blade diameter (D) (φ)	R Size (mm)	Blade length (ℓ) (mm)	Overall Length (L) (mm)	Shank diameter (d) (mm)
1 Piece(s)	Available	10 Days or more	3	0.1	10	50	3
1 Piece(s)	Available	10 Days or more	3	0.2	10	50	3
1 Piece(s)	Available	10 Days or more	3	0.3	10	50	3
1 Piece(s)	Available	10 Days or more	3	0.5	10	50	3
1 Piece(s)	Available	10 Days or more	4	0.1	15	60	4
1 Piece(s)	Available	10 Days or more	4	0.2	15	60	4
1 Piece(s)	Available	10 Days or more	4	0.3	15	60	4
1 Piece(s)	Available	10 Days or more	4	0.5	15	60	4
1 Piece(s)	Available	10 Days or more	4	1	15	60	4
1 Piece(s)	Available	10 Days or more	6	0.2	20	80	6
1 Piece(s)	Available	10 Days or more	6	0.3	20	80	6
1 Piece(s)	Available	10 Days or more	6	0.5	20	80	6
1 Piece(s)	Available	10 Days or more	6	1	20	80	6
1 Piece(s)	Available	10 Days or more	6	1.5	20	80	6
1 Piece(s)	Available	10 Days or more	6	2	20	80	6
1 Piece(s)	Available	10 Days or more	8	0.2	25	100	8
1 Piece(s)	Available	10 Days or more	8	0.3	25	100	8
1 Piece(s)	Available	10 Days or more	8	0.5	25	100	8
1 Piece(s)	Available	10 Days or more	8	1	25	100	8
1 Piece(s)	Available	10 Days or more	8	1.5	25	100	8
1 Piece(s)	Available	10 Days or more	8	2	25	100	8
1 Piece(s)	Available	10 Days or more	8	3	25	100	8
1 Piece(s)	Available	10 Days or more	10	0.2	30	100	10
1 Piece(s)	Available	10 Days or more	10	0.3	30	100	10
1 Piece(s)	Available	10 Days or more	10	0.5	30	100	10
1 Piece(s)	Available	10 Days or more	10	1	30	100	10
1 Piece(s)	Available	10 Days or more	10	1.5	30	100	10
1 Piece(s)	Available	10 Days or more	10	2	30	100	10
1 Piece(s)	Available	10 Days or more	10	3	30	100	10
1 Piece(s)	Available	10 Days or more	12	0.2	35	110	12
1 Piece(s)	Available	10 Days or more	12	0.3	35	110	12
1 Piece(s)	Available	10 Days or more	12	0.5	35	110	12
1 Piece(s)	Available	10 Days or more	12	1	35	110	12
1 Piece(s)	Available	10 Days or more	12	1.5	35	110	12
1 Piece(s)	Available	10 Days or more	12	2	35	110	12
1 Piece(s)	Available	10 Days or more	12	3	35	110	12
1 Piece(s)	Available	10 Days or more	16	0.5	50	140	16
1 Piece(s)	Available	10 Days or more	16	1	50	140	16
1 Piece(s)	Available	10 Days or more	16	1.5	50	140	16
1 Piece(s)	Available	10 Days or more	16	2	50	140	16
1 Piece(s)	Available	10 Days or more	16	3	50	140	16
1 Piece(s)	Available	10 Days or more	16	4	50	140	16
1 Piece(s)	Available	10 Days or more	20	0.5	55	160	20
1 Piece(s)	Available	10 Days or more	20	1	55	160	20
1 Piece(s)	Available	10 Days or more	20	1.5	55	160	20
1 Piece(s)	Available	10 Days or more	20	2	55	160	20
1 Piece(s)	Available	10 Days or more	20	3	55	160	20
1 Piece(s)	Available	10 Days or more	20	4	55	160	20

Basic Information

Work material	General steel / Quenched and tempered steel / High hardness steel –HRC55 / Stainless Steel / Cast Iron / Aluminum / Titanium / Copper / Graphite / Resin	Number of flutes(sheet)	2	Type	Radius
Machining Application	Plane / Side / Curved surface	Torsion Angle (θ)	Standard torsion (30-40°)	R Precision(µm)	0～-20
Material	UMG	Coating Details	AlTiN

Configure

48 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Blade diameter (D)(φ)
3

4

6

8

10

12

16

20
Clear
R Size(mm)
0.1

0.2

0.3

0.5

1

1.5

2

3

4
Clear
Blade length (ℓ)(mm)
10

15

20

25

30

35

50

55
Clear
Overall Length (L)(mm)
50

60

80

100

110

140

160
Clear
Shank diameter (d)(mm)
3

4

6

8

10

12

16

20
Clear
type
- B257X
Clear

Days to Ship

All

10 Days or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Carbide 2-Flute Corner Radius Medium End Mill 30° B257X

Basic Information

Configure

Specification/Dimensions

Blade diameter (D)(φ)

R Size(mm)

Blade length (ℓ)(mm)

Overall Length (L)(mm)

Shank diameter (d)(mm)

type