Okazaki Milling
Carbide Square End Mills (4F)
Workpiece material (ISO)
P · SteelM · Stainless
4-flute solid-carbide square end mill for machining steel and stainless steel. Available uncoated or OK Premium coated, Ø2–32 mm in 0.1 mm diameter increments (150 catalogue items). Ships in 2 coating options. Rated for ISO P/M material classes. Part of Okazaki's milling tool range.
Features & uses
Engineered for performance
1
Solid-Carbide Substrate, Uncoated or OK Premium
Ships in 2 coating options — uncoated or OK Premium coated — across all 150 catalogue sizes.
2
4-Flute Regular/Medium Sub-Series
A fixed 4-flute square-end geometry with a Regular Type / Medium Type sub-series split — a 2-way length choice, narrower than the 2-Flute Square End Mills line's 3-way Regular/Medium/Long split.
3
Steel & Stainless Coverage
Rated for ISO P (steel) and M (stainless steel) material groups.
4
Ø2–32 mm, 45–130 mm Overall Length
Diameters run Ø2–32 mm in 0.1 mm increments, with overall lengths from 45 to 130 mm across 150 sizes.
Workpiece material
Material applicability
P · SteelM · Stainless
Specifications
Sizes & part numbers
SED4A 🔍 Click to zoom 
SED4MA-1 🔍 Click to zoom 
SED4MA-2 🔍 Click to zoom SUB-SERIES
2
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
6
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
9
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
10
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
11
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.9
12
13
14
15
16
17
18
19
20
22
25
30
32
No sizes match those filters.
Widen a range or clear a field. Need a size not listed? Contact us →
| ORDER NO. | FLUTES | Ø | FLUTE L | OAL | SHANK | COATING |
|---|---|---|---|---|---|---|
| SED4-020 | 4 | 2 mm | 6 | 45 | 4 | Uncoated |
| SED4A020 | 4 | 2 mm | 6 | 45 | 4 | OK Premium |
| SED4-030 | 4 | 3 mm | 10 | 45 | 6 | Uncoated |
| SED4A030 | 4 | 3 mm | 10 | 45 | 6 | OK Premium |
| SED4-031 | 4 | 3.1 mm | 10 | 45 | 6 | Uncoated |
| SED4-032 | 4 | 3.2 mm | 10 | 45 | 6 | Uncoated |
| SED4-033 | 4 | 3.3 mm | 10 | 45 | 6 | Uncoated |
| SED4-034 | 4 | 3.4 mm | 10 | 45 | 6 | Uncoated |
| SED4-035 | 4 | 3.5 mm | 10 | 45 | 6 | Uncoated |
| SED4A035 | 4 | 3.5 mm | 10 | 45 | 6 | OK Premium |
| SED4-036 | 4 | 3.6 mm | 12 | 45 | 6 | Uncoated |
| SED4-037 | 4 | 3.7 mm | 12 | 45 | 6 | Uncoated |
| SED4-038 | 4 | 3.8 mm | 12 | 45 | 6 | Uncoated |
| SED4-039 | 4 | 3.9 mm | 12 | 45 | 6 | Uncoated |
| SED4-040 | 4 | 4 mm | 12 | 45 | 6 | Uncoated |
| SED4A040 | 4 | 4 mm | 12 | 45 | 6 | OK Premium |
| SED4-041 | 4 | 4.1 mm | 12 | 45 | 6 | Uncoated |
| SED4-042 | 4 | 4.2 mm | 12 | 45 | 6 | Uncoated |
| SED4-043 | 4 | 4.3 mm | 12 | 45 | 6 | Uncoated |
| SED4-044 | 4 | 4.4 mm | 12 | 45 | 6 | Uncoated |
| SED4-045 | 4 | 4.5 mm | 12 | 45 | 6 | Uncoated |
| SED4A045 | 4 | 4.5 mm | 12 | 45 | 6 | OK Premium |
| SED4-046 | 4 | 4.6 mm | 15 | 50 | 6 | Uncoated |
| SED4-047 | 4 | 4.7 mm | 15 | 50 | 6 | Uncoated |
| SED4-048 | 4 | 4.8 mm | 15 | 50 | 6 | Uncoated |
| SED4-049 | 4 | 4.9 mm | 15 | 50 | 6 | Uncoated |
| SED4-050 | 4 | 5 mm | 15 | 50 | 6 | Uncoated |
| SED4A050 | 4 | 5 mm | 15 | 50 | 6 | OK Premium |
| SED4-051 | 4 | 5.1 mm | 15 | 50 | 6 | Uncoated |
| SED4-052 | 4 | 5.2 mm | 15 | 50 | 6 | Uncoated |
| SED4-053 | 4 | 5.3 mm | 15 | 50 | 6 | Uncoated |
| SED4-054 | 4 | 5.4 mm | 15 | 50 | 6 | Uncoated |
| SED4-055 | 4 | 5.5 mm | 15 | 50 | 6 | Uncoated |
| SED4A055 | 4 | 5.5 mm | 15 | 50 | 6 | OK Premium |
| SED4-056 | 4 | 5.6 mm | 15 | 50 | 6 | Uncoated |
| SED4-057 | 4 | 5.7 mm | 15 | 50 | 6 | Uncoated |
| SED4-058 | 4 | 5.8 mm | 15 | 50 | 6 | Uncoated |
| SED4-059 | 4 | 5.9 mm | 15 | 50 | 6 | Uncoated |
| SED4-060 | 4 | 6 mm | 15 | 50 | 6 | Uncoated |
| SED4A060 | 4 | 6 mm | 15 | 50 | 6 | OK Premium |
| SED4-061 | 4 | 6.1 mm | 18 | 60 | 8 | Uncoated |
| SED4-062 | 4 | 6.2 mm | 18 | 60 | 8 | Uncoated |
| SED4-063 | 4 | 6.3 mm | 18 | 60 | 8 | Uncoated |
| SED4-064 | 4 | 6.4 mm | 18 | 60 | 8 | Uncoated |
| SED4-065 | 4 | 6.5 mm | 18 | 60 | 8 | Uncoated |
| SED4A065 | 4 | 6.5 mm | 18 | 60 | 8 | OK Premium |
| SED4-066 | 4 | 6.6 mm | 18 | 60 | 8 | Uncoated |
| SED4-067 | 4 | 6.7 mm | 18 | 60 | 8 | Uncoated |
| SED4-068 | 4 | 6.8 mm | 18 | 60 | 8 | Uncoated |
| SED4-069 | 4 | 6.9 mm | 18 | 60 | 8 | Uncoated |
| SED4-070 | 4 | 7 mm | 18 | 60 | 8 | Uncoated |
| SED4A070 | 4 | 7 mm | 18 | 60 | 8 | OK Premium |
| SED4-071 | 4 | 7.1 mm | 18 | 60 | 8 | Uncoated |
| SED4-072 | 4 | 7.2 mm | 18 | 60 | 8 | Uncoated |
| SED4-073 | 4 | 7.3 mm | 18 | 60 | 8 | Uncoated |
| SED4-074 | 4 | 7.4 mm | 18 | 60 | 8 | Uncoated |
| SED4-075 | 4 | 7.5 mm | 18 | 60 | 8 | Uncoated |
| SED4A075 | 4 | 7.5 mm | 18 | 60 | 8 | OK Premium |
| SED4-076 | 4 | 7.6 mm | 18 | 60 | 8 | Uncoated |
| SED4-077 | 4 | 7.7 mm | 18 | 60 | 8 | Uncoated |
| SED4-078 | 4 | 7.8 mm | 18 | 60 | 8 | Uncoated |
| SED4-079 | 4 | 7.9 mm | 18 | 60 | 8 | Uncoated |
| SED4-080 | 4 | 8 mm | 18 | 60 | 8 | Uncoated |
| SED4A080 | 4 | 8 mm | 18 | 60 | 8 | OK Premium |
| SED4-081 | 4 | 8.1 mm | 22 | 70 | 10 | Uncoated |
| SED4-082 | 4 | 8.2 mm | 22 | 70 | 10 | Uncoated |
| SED4-083 | 4 | 8.3 mm | 22 | 70 | 10 | Uncoated |
| SED4-084 | 4 | 8.4 mm | 22 | 70 | 10 | Uncoated |
| SED4-085 | 4 | 8.5 mm | 22 | 70 | 10 | Uncoated |
| SED4A085 | 4 | 8.5 mm | 22 | 70 | 10 | OK Premium |
| SED4-086 | 4 | 8.6 mm | 22 | 70 | 10 | Uncoated |
| SED4-087 | 4 | 8.7 mm | 22 | 70 | 10 | Uncoated |
| SED4-088 | 4 | 8.8 mm | 22 | 70 | 10 | Uncoated |
| SED4-089 | 4 | 8.9 mm | 22 | 70 | 10 | Uncoated |
| SED4-090 | 4 | 9 mm | 22 | 70 | 10 | Uncoated |
| SED4A090 | 4 | 9 mm | 22 | 70 | 10 | OK Premium |
| SED4-091 | 4 | 9.1 mm | 22 | 70 | 10 | Uncoated |
| SED4-092 | 4 | 9.2 mm | 22 | 70 | 10 | Uncoated |
| SED4-093 | 4 | 9.3 mm | 22 | 70 | 10 | Uncoated |
| SED4-094 | 4 | 9.4 mm | 22 | 70 | 10 | Uncoated |
| SED4-095 | 4 | 9.5 mm | 22 | 70 | 10 | Uncoated |
| SED4A095 | 4 | 9.5 mm | 22 | 70 | 10 | OK Premium |
| SED4-096 | 4 | 9.6 mm | 22 | 70 | 10 | Uncoated |
| SED4-097 | 4 | 9.7 mm | 22 | 70 | 10 | Uncoated |
| SED4-098 | 4 | 9.8 mm | 22 | 70 | 10 | Uncoated |
| SED4-099 | 4 | 9.9 mm | 22 | 70 | 10 | Uncoated |
| SED4-100 | 4 | 10 mm | 22 | 70 | 10 | Uncoated |
| SED4A100 | 4 | 10 mm | 22 | 70 | 10 | OK Premium |
| SED4-101 | 4 | 10.1 mm | 25 | 75 | 12 | Uncoated |
| SED4-102 | 4 | 10.2 mm | 25 | 75 | 12 | Uncoated |
| SED4-103 | 4 | 10.3 mm | 25 | 75 | 12 | Uncoated |
| SED4-104 | 4 | 10.4 mm | 25 | 75 | 12 | Uncoated |
| SED4-105 | 4 | 10.5 mm | 25 | 75 | 12 | Uncoated |
| SED4A105 | 4 | 10.5 mm | 25 | 75 | 12 | OK Premium |
| SED4-106 | 4 | 10.6 mm | 25 | 75 | 12 | Uncoated |
| SED4-107 | 4 | 10.7 mm | 25 | 75 | 12 | Uncoated |
| SED4-108 | 4 | 10.8 mm | 25 | 75 | 12 | Uncoated |
| SED4-109 | 4 | 10.9 mm | 25 | 75 | 12 | Uncoated |
| SED4-110 | 4 | 11 mm | 25 | 75 | 12 | Uncoated |
| SED4A110 | 4 | 11 mm | 25 | 75 | 12 | OK Premium |
| SED4-111 | 4 | 11.1 mm | 25 | 75 | 12 | Uncoated |
| SED4-112 | 4 | 11.2 mm | 25 | 75 | 12 | Uncoated |
| SED4-113 | 4 | 11.3 mm | 25 | 75 | 12 | Uncoated |
| SED4-114 | 4 | 11.4 mm | 25 | 75 | 12 | Uncoated |
| SED4-115 | 4 | 11.5 mm | 25 | 75 | 12 | Uncoated |
| SED4A115 | 4 | 11.5 mm | 25 | 75 | 12 | OK Premium |
| SED4-116 | 4 | 11.6 mm | 25 | 75 | 12 | Uncoated |
| SED4-117 | 4 | 11.7 mm | 25 | 75 | 12 | Uncoated |
| SED4-118 | 4 | 11.8 mm | 25 | 75 | 12 | Uncoated |
| SED4-119 | 4 | 11.9 mm | 25 | 75 | 12 | Uncoated |
| SED4-120 | 4 | 12 mm | 25 | 75 | 12 | Uncoated |
| SED4A120 | 4 | 12 mm | 25 | 75 | 12 | OK Premium |
| SED4-130 | 4 | 13 mm | 32 | 90 | 16 | Uncoated |
| SED4A130 | 4 | 13 mm | 32 | 90 | 16 | OK Premium |
| SED4-140 | 4 | 14 mm | 32 | 90 | 16 | Uncoated |
| SED4A140 | 4 | 14 mm | 32 | 90 | 16 | OK Premium |
| SED4-150 | 4 | 15 mm | 32 | 90 | 16 | Uncoated |
| SED4A150 | 4 | 15 mm | 32 | 90 | 16 | OK Premium |
| SED4-160 | 4 | 16 mm | 32 | 90 | 16 | Uncoated |
| SED4A160 | 4 | 16 mm | 32 | 90 | 16 | OK Premium |
| SED4-170 | 4 | 17 mm | 40 | 105 | 20 | Uncoated |
| SED4A170 | 4 | 17 mm | 40 | 105 | 20 | OK Premium |
| SED4-180 | 4 | 18 mm | 40 | 105 | 20 | Uncoated |
| SED4A180 | 4 | 18 mm | 40 | 105 | 20 | OK Premium |
| SED4-190 | 4 | 19 mm | 40 | 105 | 20 | Uncoated |
| SED4A190 | 4 | 19 mm | 40 | 105 | 20 | OK Premium |
| SED4-200 | 4 | 20 mm | 40 | 105 | 20 | Uncoated |
| SED4A200 | 4 | 20 mm | 40 | 105 | 20 | OK Premium |
| SED4-220 | 4 | 22 mm | 40 | 120 | 20 | Uncoated |
| SED4A220 | 4 | 22 mm | 40 | 120 | 20 | OK Premium |
| SED4-250 | 4 | 25 mm | 45 | 120 | 25 | Uncoated |
| SED4A250 | 4 | 25 mm | 45 | 120 | 25 | OK Premium |
| SED4-300 | 4 | 30 mm | 55 | 130 | 32 | Uncoated |
| SED4A300 | 4 | 30 mm | 55 | 130 | 32 | OK Premium |
| SED4-320 | 4 | 32 mm | 55 | 130 | 32 | Uncoated |
| SED4A320 | 4 | 32 mm | 55 | 130 | 32 | OK Premium |
| SED4M-030 | 4 | 3 mm | 12 | 45 | 6 | Uncoated |
| SED4MA030 | 4 | 3 mm | 12 | 45 | 6 | OK Premium |
| SED4M-040 | 4 | 4 mm | 16 | 45 | 6 | Uncoated |
| SED4MA040 | 4 | 4 mm | 16 | 45 | 6 | OK Premium |
| SED4M-050 | 4 | 5 mm | 20 | 50 | 6 | Uncoated |
| SED4MA050 | 4 | 5 mm | 20 | 50 | 6 | OK Premium |
| SED4M-060 | 4 | 6 mm | 22 | 50 | 6 | Uncoated |
| SED4MA060 | 4 | 6 mm | 22 | 50 | 6 | OK Premium |
| SED4M-080 | 4 | 8 mm | 24 | 60 | 8 | Uncoated |
| SED4MA080 | 4 | 8 mm | 24 | 60 | 8 | OK Premium |
| SED4M-100 | 4 | 10 mm | 30 | 70 | 10 | Uncoated |
| SED4MA100 | 4 | 10 mm | 30 | 70 | 10 | OK Premium |
| SED4M-120 | 4 | 12 mm | 36 | 75 | 12 | Uncoated |
| SED4MA120 | 4 | 12 mm | 36 | 75 | 12 | OK Premium |
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