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MISUMI HSS Square End Mill（Helix Angle (θ)：Powerful Helix (45° to 60°)）

Search by specifying the lower class category

8 items

: 30; 45; 60

Days to Ship	All Same day 6 Days or Less 7 Days or Less 8 Days or Less 9 Days or Less 10 Days or Less 11 Days or Less 12 Days or Less 13 Days or Less 16 Days or Less

AS Coated Powdered High-Speed Steel Square End Mill, 3-Flute, 50° Spiral, Short

MISUMI

The cutting performance is greatly improved by having the AS coating with high heat resistance

Volume Discount

AS

3 Flutes

S (Short)
Days to Ship: 8 Days or more
AS Coated Powdered High-Speed Steel Roughing End Mill, 45° Spiral/Short, Center Cut

MISUMI

The combination of AS coating and 45° helix achieves the astonishing durability for everything from general steel to stainless steel.

Volume Discount

AS

4 Flutes

S (Short)
Days to Ship: 8 Days or more
AS Coated Powdered High-Speed Steel Roughing End Mill, 45° Spiral/Regular, Center Cut

MISUMI

The combination of AS coating and 45° helix achieves the astonishing durability for everything from general steel to stainless steel.

Volume Discount

AS

4 Flutes

R (Regular)
Days to Ship: 8 Days or more
AS Coated Powdered High-Speed Steel Roughing End Mill, 45° Spiral, Long, Center Cut

MISUMI

The combination of AS coating and 45° helix achieves the astonishing durability for everything from general steel to stainless steel.

Volume Discount

AS

4 Flutes

L (Long)
Days to Ship: 8 Days or more
AS Coated Powdered High-Speed Steel Roughing End Mill, 45° Spiral, Short, Long Shank, Center Cut

MISUMI

The combination of AS coating and 45° helix achieves the astonishing durability for everything from general steel to stainless steel.

Volume Discount

AS

3 Flutes

S (Short)
Days to Ship: 8 Days or more
AS Coated Powdered High-Speed Steel Square End Mill, 4-Flute, 50° Spiral, Short

MISUMI

The cutting performance is greatly improved by having the AS coating with high heat resistance

Volume Discount

AS

4 Flutes

S (Short)
Days to Ship: 8 Days or more
AS Coated Powdered High-Speed Steel Square End Mill, 3-Flute, 50° Spiral, Short, with Nicked Peripheral Cutting Edge

MISUMI

The cutting performance is greatly improved by having the AS coating with high heat resistance

Volume Discount

AS

3 Flutes

S (Short)
Days to Ship: 8 Days or more
AS Coated Powdered High-Speed Steel Square End Mill, 4-Flute, 50° Spiral, Short, with Nicked Peripheral Cutting Edge

MISUMI

The cutting performance is greatly improved by having the AS coating with high heat resistance

Volume Discount

AS

4 Flutes

S (Short)
Days to Ship: 8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more


Brand
Product Series
Days to Ship
Specifications
Flute Diameter (D)(φ)
Flute Length (ℓ)(mm)
Work Material
Flute Shape Type
Number of Flutes(sheet)
Tool Material Type
Processing Applications
Link Diameter (d)(mm)
Coating
Overall Length (L)(mm)
Helix Angle (θ)
Base-Blade Availability
Length Under Neck (ℓ1)(mm)
Link


Brand	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI
Product Series	AS Coated Powdered High-Speed Steel Square End Mill, 3-Flute, 50° Spiral, Short	AS Coated Powdered High-Speed Steel Roughing End Mill, 45° Spiral/Short, Center Cut	AS Coated Powdered High-Speed Steel Roughing End Mill, 45° Spiral/Regular, Center Cut	AS Coated Powdered High-Speed Steel Roughing End Mill, 45° Spiral, Long, Center Cut	AS Coated Powdered High-Speed Steel Roughing End Mill, 45° Spiral, Short, Long Shank, Center Cut	AS Coated Powdered High-Speed Steel Square End Mill, 4-Flute, 50° Spiral, Short	AS Coated Powdered High-Speed Steel Square End Mill, 3-Flute, 50° Spiral, Short, with Nicked Peripheral Cutting Edge	AS Coated Powdered High-Speed Steel Square End Mill, 4-Flute, 50° Spiral, Short, with Nicked Peripheral Cutting Edge
Days to Ship	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more
Specifications	AS 3 Flutes S (Short)	AS 4 Flutes S (Short)	AS 4 Flutes R (Regular)	AS 4 Flutes L (Long)	AS 3 Flutes S (Short)	AS 4 Flutes S (Short)	AS 3 Flutes S (Short)	AS 4 Flutes S (Short)
Flute Diameter (D)(φ)	6 ～ 25	6 ～ 30	6 ～ 30	10 ～ 30	6 ～ 30	6 ～ 25	6 ～ 20	6 ～ 20
Flute Length (ℓ)(mm)	15 ～ 50	13 ～ 45	19 ～ 68	45 ～ 90	11 ～ 45	15 ～ 50	15 ～ 45	15 ～ 45
Work Material	General Steel[◎] / Heat-Treated Steel[○] / Stainless Steel[◎] / Cast Iron[○] / Aluminum[○] / Copper[○]	General Steel[◎] / Heat-Treated Steel[○] / Stainless Steel[◎] / Cast Iron[○] / Aluminum[○] / Copper[○]	General Steel[◎] / Heat-Treated Steel[○] / Stainless Steel[◎] / Cast Iron[○] / Aluminum[○] / Copper[○]	General Steel[◎] / Heat-Treated Steel[○] / Stainless Steel[◎] / Cast Iron[○] / Aluminum[○] / Copper[○]	General Steel[◎] / Heat-Treated Steel[○] / Stainless Steel[◎] / Cast Iron[○] / Aluminum[○] / Copper[○]	General Steel[◎] / Heat-Treated Steel[○] / Stainless Steel[◎] / Cast Iron[○] / Aluminum[○] / Copper[○]	General Steel[◎] / Heat-Treated Steel[○] / Stainless Steel[◎] / Cast Iron[○] / Aluminum[○] / Copper[○]	General Steel[◎] / Heat-Treated Steel[○] / Stainless Steel[◎] / Cast Iron[○] / Aluminum[○] / Copper[○]
Flute Shape Type	Square	Roughing	Roughing	Roughing	Roughing	Square	Square	Square
Number of Flutes(sheet)	3	3 ～ 5	3 ～ 5	4 ～ 5	3 ～ 4	4	3	4
Tool Material Type	Powdered High-Speed Steel	Powdered High-Speed Steel	Powdered High-Speed Steel	Powdered High-Speed Steel	Powdered High-Speed Steel	Powdered High-Speed Steel	Powdered High-Speed Steel	Powdered High-Speed Steel
Processing Applications	Flat Surface / Side Surface / Groove / Inclined Cutting / Countersunk	Flat Surface / Side Surface / Groove / Inclined Cutting	Flat Surface / Side Surface / Groove / Inclined Cutting	Flat Surface / Side Surface / Groove / Inclined Cutting	Flat Surface / Side Surface / Groove / Inclined Cutting	Flat Surface / Side Surface / Groove / Countersunk	Flat Surface / Side Surface / Groove / Inclined Cutting / Countersunk	Flat Surface / Side Surface / Groove / Countersunk
Link Diameter (d)(mm)	8 ～ 25	6 ～ 25	6 ～ 25	10 ～ 25	6 ～ 25	8 ～ 25	8 ～ 20	8 ～ 20
Coating	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)
Overall Length (L)(mm)	65 ～ 140	57 ～ 121	63 ～ 144	95 ～ 166	80 ～ 160	65 ～ 140	65 ～ 125	65 ～ 125
Helix Angle (θ)	Powerful Helix (45° to 60°)	Powerful Helix (45° to 60°)	Powerful Helix (45° to 60°)	Powerful Helix (45° to 60°)	Powerful Helix (45° to 60°)	Powerful Helix (45° to 60°)	Powerful Helix (45° to 60°)	Powerful Helix (45° to 60°)
Base-Blade Availability	Included	Included	Included	Included	Included	Included	Included	Included
Length Under Neck (ℓ1)(mm)	-	-	-	-	-	-	-	-
Link	-	-	-	-	-	-	-	-

Configure

Specification/Dimensions

Metric / Inch
- metric
Clear

Flute Diameter (D)(φ)
- 0.45～0.9
  - 0.45
  - 0.8
  - 0.9
- 1～1.9
  - 1
  - 1/2
  - 1.1
  - 1.2
  - 1.3
  - 1.4
  - 1.5
  - 1.59
  - 1.6
  - 1.7
  - 1.8
  - 1.9
- 2～2.9
  - 2
  - 2.1
  - 2.2
  - 2.3
  - 2.38
  - 2.4
  - 2.5
  - 2.6
  - 2.7
  - 2.8
  - 2.9
- 3～3.97
  - 3
  - 3/4
  - 3.1
  - 3.18
  - 3.2
  - 3.3
  - 3.4
  - 3.5
  - 3.6
  - 3.7
  - 3.8
  - 3.9
  - 3.97
- 4～4.9
  - 4
  - 4.1
  - 4.2
  - 4.3
  - 4.4
  - 4.5
  - 4.6
  - 4.7
  - 4.76
  - 4.8
  - 4.9
- 5～5.9
  - 5
  - 5/8
  - 5.1
  - 5.2
  - 5.3
  - 5.4
  - 5.5
  - 5.56
  - 5.6
  - 5.7
  - 5.8
  - 5.9
- 6～6.9
  - 6
  - 6.05
  - 6.1
  - 6.2
  - 6.3
  - 6.35
  - 6.4
  - 6.5
  - 6.6
  - 6.7
  - 6.8
  - 6.9
- 7～7.94
  - 7
  - 7/8
  - 7.1
  - 7.2
  - 7.3
  - 7.4
  - 7.5
  - 7.6
  - 7.7
  - 7.8
  - 7.9
  - 7.94
- 8～8.9
  - 8
  - 8.1
  - 8.2
  - 8.3
  - 8.4
  - 8.5
  - 8.6
  - 8.7
  - 8.8
  - 8.9
- 9～9.9
  - 9
  - 9.1
  - 9.2
  - 9.3
  - 9.4
  - 9.5
  - 9.53
  - 9.6
  - 9.7
  - 9.8
  - 9.9
- 10～10.9
  - 10
  - 10.1
  - 10.2
  - 10.3
  - 10.4
  - 10.5
  - 10.6
  - 10.7
  - 10.8
  - 10.9
- 11～11.9
  - 11
  - 11.1
  - 11.11
  - 11.2
  - 11.3
  - 11.4
  - 11.5
  - 11.6
  - 11.7
  - 11.8
  - 11.9
- 12～12.9
  - 12
  - 12.1
  - 12.2
  - 12.3
  - 12.4
  - 12.5
  - 12.6
  - 12.7
  - 12.8
  - 12.9
- 13～13.9
  - 13
  - 13.1
  - 13.2
  - 13.3
  - 13.4
  - 13.5
  - 13.6
  - 13.7
  - 13.8
  - 13.9
- 14～14.9
  - 14
  - 14.1
  - 14.2
  - 14.29
  - 14.3
  - 14.4
  - 14.5
  - 14.6
  - 14.7
  - 14.8
  - 14.9
- 15～15.9
  - 15
  - 15.1
  - 15.2
  - 15.3
  - 15.4
  - 15.5
  - 15.6
  - 15.7
  - 15.8
  - 15.88
  - 15.9
- 16～16.9
  - 16
  - 16.1
  - 16.2
  - 16.3
  - 16.4
  - 16.5
  - 16.6
  - 16.7
  - 16.8
  - 16.9
- 17～17.9
  - 17
  - 17.1
  - 17.2
  - 17.3
  - 17.4
  - 17.46
  - 17.5
  - 17.6
  - 17.7
  - 17.8
  - 17.9
- 18～18.9
  - 18
  - 18.1
  - 18.2
  - 18.3
  - 18.4
  - 18.5
  - 18.6
  - 18.7
  - 18.8
  - 18.9
- 19～19.9
  - 19
  - 19.05
  - 19.1
  - 19.2
  - 19.3
  - 19.4
  - 19.5
  - 19.6
  - 19.7
  - 19.8
  - 19.9
- 20～20.9
  - 20
  - 20.1
  - 20.2
  - 20.3
  - 20.4
  - 20.5
  - 20.6
  - 20.64
  - 20.7
  - 20.8
  - 20.9
- 21～21.9
  - 21
  - 21.1
  - 21.2
  - 21.3
  - 21.4
  - 21.5
  - 21.6
  - 21.7
  - 21.8
  - 21.9
- 22～22.9
  - 22
  - 22.1
  - 22.2
  - 22.23
  - 22.3
  - 22.4
  - 22.5
  - 22.6
  - 22.7
  - 22.8
  - 22.9
- 23～23.9
  - 23
  - 23.1
  - 23.2
  - 23.3
  - 23.4
  - 23.5
  - 23.6
  - 23.7
  - 23.8
  - 23.81
  - 23.9
- 24～24.9
  - 24
  - 24.1
  - 24.2
  - 24.3
  - 24.4
  - 24.5
  - 24.6
  - 24.7
  - 24.8
  - 24.9
- 25～25.9
  - 25
  - 25.1
  - 25.2
  - 25.3
  - 25.4
  - 25.5
  - 25.6
  - 25.7
  - 25.8
  - 25.9
- 26～26.9
  - 26
  - 26.1
  - 26.2
  - 26.3
  - 26.4
  - 26.5
  - 26.6
  - 26.7
  - 26.8
  - 26.9
- 27～27.9
  - 27
  - 27.1
  - 27.2
  - 27.3
  - 27.4
  - 27.5
  - 27.6
  - 27.7
  - 27.8
  - 27.9
- 28～28.9
  - 28
  - 28.1
  - 28.2
  - 28.3
  - 28.4
  - 28.5
  - 28.6
  - 28.7
  - 28.8
  - 28.9
- 29～29.9
  - 29
  - 29.1
  - 29.2
  - 29.3
  - 29.4
  - 29.5
  - 29.6
  - 29.7
  - 29.8
  - 29.9
- 30～30.9
  - 30
  - 30.1
  - 30.2
  - 30.3
  - 30.4
  - 30.5
  - 30.6
  - 30.7
  - 30.8
  - 30.9
- 31～31.9
  - 31
  - 31.1
  - 31.2
  - 31.3
  - 31.4
  - 31.5
  - 31.6
  - 31.7
  - 31.75
  - 31.8
  - 31.9
- 32～32.9
  - 32
  - 32.1
  - 32.2
  - 32.3
  - 32.4
  - 32.5
  - 32.6
  - 32.7
  - 32.8
  - 32.9
- 33～33.9
  - 33
  - 33.1
  - 33.2
  - 33.3
  - 33.4
  - 33.5
  - 33.6
  - 33.7
  - 33.8
  - 33.9
- 34～34.9
  - 34
  - 34.1
  - 34.2
  - 34.3
  - 34.4
  - 34.5
  - 34.6
  - 34.7
  - 34.8
  - 34.9
- 35～35.9
  - 35
  - 35.1
  - 35.2
  - 35.3
  - 35.4
  - 35.5
  - 35.6
  - 35.7
  - 35.8
  - 35.9
- 36～36.9
  - 36
  - 36.1
  - 36.2
  - 36.3
  - 36.4
  - 36.5
  - 36.6
  - 36.7
  - 36.8
  - 36.9
- 37～37.9
  - 37
  - 37.1
  - 37.2
  - 37.3
  - 37.4
  - 37.5
  - 37.6
  - 37.7
  - 37.8
  - 37.9
- 38～38.9
  - 38
  - 38.1
  - 38.2
  - 38.3
  - 38.4
  - 38.5
  - 38.6
  - 38.7
  - 38.8
  - 38.9
- 39～39.9
  - 39
  - 39.1
  - 39.2
  - 39.3
  - 39.4
  - 39.5
  - 39.6
  - 39.7
  - 39.8
  - 39.9
- 40～40.9
  - 40
  - 40.1
  - 40.2
  - 40.3
  - 40.4
  - 40.5
  - 40.6
  - 40.7
  - 40.8
  - 40.9
- 41～41.9
  - 41
  - 41.1
  - 41.2
  - 41.3
  - 41.4
  - 41.5
  - 41.6
  - 41.7
  - 41.8
  - 41.9
- 42～42.9
  - 42
  - 42.1
  - 42.2
  - 42.3
  - 42.4
  - 42.5
  - 42.6
  - 42.7
  - 42.8
  - 42.9
- 43～43.9
  - 43
  - 43.1
  - 43.2
  - 43.3
  - 43.4
  - 43.5
  - 43.6
  - 43.7
  - 43.8
  - 43.9
- 44～44.9
  - 44
  - 44.1
  - 44.2
  - 44.3
  - 44.4
  - 44.5
  - 44.6
  - 44.7
  - 44.8
  - 44.9
- 45～45.5
  - 45
  - 45.5
- 46～46.5
  - 46
  - 46.5
- 47～47.5
  - 47
  - 47.5
- 48～48.5
  - 48
  - 48.5
- 49～49.5
  - 49
  - 49.5
- 50～50.8
  - 50
  - 50.5
  - 50.8
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 85
- 90
- 95
- 100
Drawing

Clear

Flute Length (ℓ)(mm)
1.1

1.6

1.8

2

2.2

2.5

3

3.5

4

4.5

5

5.5

6

6.5

7

7.5

8

9

10

10.5

11

12

13

14

15

16

17

18

19

20

22

23

24

25

26

28

30

32

33

34

35

36

38

39

40

45

48

50

53

55

56

58

60

63

65

67

68

70

75

80

85

90

95

100

105

106

110

112

115

120

122

125

130

140

145

150

160

180

200

212

250

300
Drawing

Clear

Work Material
- General Steel
- Heat-Treated Steel
- High-Hardness Steel
- Stainless Steel
- Cast Iron
- Aluminum
- Titanium
- Copper
- Resin
- Others
- Others 2
- Others 3
- Others 4
Details

Clear

Flute Shape Type
- Square
- Roughing
- For Key Grooves
Clear

Number of Flutes(sheet)
1

2

3

4

5

6

8

10

12

14

16

18
Clear

Tool Material Type
- Cobalt High-Speed Steel
- Powdered High-Speed Steel
- High-Speed Steel
- Alloy High-Speed Steel
Details

Clear

Processing Applications
- Flat Surface
- Side Surface
- Groove
- Thrust (Z-Feed)
- Inclined Cutting
- Countersunk
- Others
Images

Clear

Link Diameter (d)(mm)
4

5

BS5

6

7

8

9

10

11

12

15

16

19

20

24

25

32

42
Drawing

Clear

Coating
- For High Hardness (Silicone-Based)
- TiAlN
- For General Steel (AlCrN etc.)
- TiCN
- TiN
- Non-Coated
- AG
Details

Clear

Overall Length (L)(mm)
- 35
- 40～48
  - 40
  - 42
  - 45
  - 48
- 50～59
  - 50
  - 51
  - 52
  - 53
  - 54
  - 55
  - 56
  - 57
  - 58
  - 59
- 60～69
  - 60
  - 62
  - 63
  - 64
  - 65
  - 66
  - 67
  - 68
  - 69
- 70～79
  - 70
  - 72
  - 73
  - 74
  - 75
  - 76
  - 77
  - 78
  - 79
- 80～89
  - 80
  - 82
  - 83
  - 84
  - 85
  - 86
  - 88
  - 89
- 90～97
  - 90
  - 91
  - 92
  - 95
  - 97
- 100～108
  - 100
  - 101
  - 102
  - 104
  - 105
  - 108
- 110～119
  - 110
  - 115
  - 116
  - 119
- 120～127
  - 120
  - 121
  - 122
  - 123
  - 124
  - 125
  - 127
- 130～137
  - 130
  - 132
  - 133
  - 134
  - 135
  - 137
- 140～149
  - 140
  - 141
  - 142
  - 143
  - 144
  - 145
  - 147
  - 149
- 150～155
  - 150
  - 154
  - 155
- 160～169
  - 160
  - 162
  - 165
  - 166
  - 169
- 170～178
  - 170
  - 173
  - 175
  - 177
  - 178
- 180～189
  - 180
  - 182
  - 183
  - 184
  - 185
  - 186
  - 188
  - 189
- 190～198
  - 190
  - 191
  - 193
  - 195
  - 197
  - 198
- 200～208
  - 200
  - 202
  - 203
  - 205
  - 208
- 210～215
  - 210
  - 213
  - 214
  - 215
- 220～227
  - 220
  - 222
  - 224
  - 225
  - 227
- 230～235.5
  - 230
  - 233
  - 235
  - 235.5
- 240～245.5
  - 240
  - 245
  - 245.5
- 250～255
  - 250
  - 250.5
  - 252
  - 253
  - 255
- 260～265
  - 260
  - 265
- 270～275
  - 270
  - 275
- 280～288
  - 280
  - 283
  - 285
  - 288
- 290～295
  - 290
  - 295
- 300
- 310～315
  - 310
  - 315
- 320
- 340～345
  - 340
  - 345
- 350
- 370
- 390～395
  - 390
  - 395
- 400
- 420
Drawing

Clear

Helix Angle (θ)
- Without Torsion
- Weak Helix (15 to 25°)
- Standard Helix (30 to 40°)
- Powerful Helix (45° to 60°)
- Others
Clear

Base-Blade Availability
- Included
- None
Clear

Length Under Neck (ℓ1)(mm)
10

12

14

17

22

23

27

28

29

37

38

40

44

45

46

48

49

50

53

54

56

58

60

62

64

65

66

70

72

75

80

88

90

95

100

112

113

115

128

144
Drawing

Clear