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NACHI 2SE Square End Mill (2F)
NACHI Milling

NACHI 2SE Square End Mill (2F)

Workpiece material (ISO)
P · SteelM · StainlessN · Non-ferrous

2-flute HSS-Co square end mill for machining steel, stainless steel and non-ferrous metals. Ø1–50 mm in 0.1 mm diameter increments (147 catalogue items). Ships in a single coating option. Part of NACHI's milling tool range. Rated for ISO P/M/N material classes.

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Features & uses

Engineered for performance

1

HSS-Co Substrate, Uncoated

A cobalt-alloyed high-speed-steel body with no coating, across all 147 catalogue sizes.

2

2-Flute Square End

A fixed 2-flute square-end geometry (the catalogue's own "2F" designation) across the full size range.

3

Steel, Stainless & Non-Ferrous Coverage

Rated for ISO P (steel), M (stainless steel) and N (non-ferrous metal) material groups.

4

Ø1–50 mm, 50–160 mm Overall Length

Diameters run Ø1–50 mm in 0.1 mm increments, with overall lengths from 50 to 160 mm across 147 sizes.

Workpiece material

Material applicability

P

Steel

  • Structural steel SS400
    ◎ Best fit

    Catalogue mark: ◎

  • Carbon steel S45C/S50C
    ◎ Best fit

    Catalogue mark: ◎

  • Alloy steel SCM/SCR
    ◎ Best fit

    Catalogue mark: ◎

H

Hardened steel

  • Pre-hardened steel NAK
    ◎ Best fit

    Catalogue mark: ◎

  • High-hardness steel 30–45 HRC
    Not marked

    Catalogue mark: —

  • High-hardness steel 45–55 HRC
    Excluded

    Catalogue mark: ×

  • High-hardness steel 55–60 HRC
    Excluded

    Catalogue mark: ×

  • High-hardness steel 60–66 HRC
    Excluded

    Catalogue mark: ×

M

Stainless steel

  • Stainless steel SUS304/316
    ○ Suitable

    Catalogue mark: ○

K

Cast iron

  • Cast iron FC/FCD
    ○ Suitable

    Catalogue mark: ○

N

Non-ferrous

  • Aluminum alloy AC/ADC
    ○ Suitable

    Catalogue mark: ○

  • Copper Cu
    ○ Suitable

    Catalogue mark: ○

Source: Catalogue · NACHI 2003-29 catalogue HSS End Mill Selection Chart, visually reviewed for 2SE. · Selection Chart pages E-4–E-7

Specifications

Sizes & part numbers

ORDER NO.FLUTESØFLUTE LOALSHANKCOATING
2SE1 2 1 mm 2 50 6 HSSCO
2SE1.5 2 1.5 mm 3 50 6 HSSCO
2SE2 2 2 mm 7 50 6 HSSCO
2SE2.5 2 2.5 mm 7 50 6 HSSCO
2SE3 2 3 mm 9 50 6 HSSCO
2SE3.5 2 3.5 mm 12 60 8 HSSCO
2SE4 2 4 mm 12 60 8 HSSCO
2SE4.5 2 4.5 mm 15 60 8 HSSCO
2SE5 2 5 mm 15 60 8 HSSCO
2SE5.5 2 5.5 mm 15 60 8 HSSCO
2SE6 2 6 mm 15 60 8 HSSCO
2SE6.5 2 6.5 mm 20 65 10 HSSCO
2SE7 2 7 mm 20 65 10 HSSCO
2SE7.5 2 7.5 mm 20 65 10 HSSCO
2SE8 2 8 mm 20 65 10 HSSCO
2SE8.5 2 8.5 mm 25 75 10 HSSCO
2SE9 2 9 mm 25 75 10 HSSCO
2SE9.5 2 9.5 mm 25 75 10 HSSCO
2SE10 2 10 mm 25 75 10 HSSCO
2SE11 2 11 mm 30 80 12 HSSCO
2SE12 2 12 mm 30 80 12 HSSCO
2SE13 2 13 mm 35 90 16 HSSCO
2SE14 2 14 mm 35 90 16 HSSCO
2SE15 2 15 mm 40 95 16 HSSCO
2SE16 2 16 mm 40 95 16 HSSCO
2SE17 2 17 mm 40 105 20 HSSCO
2SE18 2 18 mm 40 105 20 HSSCO
2SE19 2 19 mm 45 110 20 HSSCO
2SE20 2 20 mm 45 110 20 HSSCO
2SE20.1 □ 2 20.1 mm 45 110 20 HSSCO
2SE20.2 2 20.2 mm 45 110 20 HSSCO
2SE20.3 2 20.3 mm 45 110 20 HSSCO
2SE20.4 2 20.4 mm 45 110 20 HSSCO
2SE20.5 2 20.5 mm 45 110 20 HSSCO
2SE20.6 2 20.6 mm 45 110 20 HSSCO
2SE20.7 2 20.7 mm 45 110 20 HSSCO
2SE20.8 2 20.8 mm 45 110 20 HSSCO
2SE20.9 2 20.9 mm 45 110 20 HSSCO
2SE21 2 21 mm 45 110 20 HSSCO
2SE21.1 □ 2 21.1 mm 45 110 20 HSSCO
2SE21.2 2 21.2 mm 45 110 20 HSSCO
2SE21.3 2 21.3 mm 45 110 20 HSSCO
2SE21.4 2 21.4 mm 45 110 20 HSSCO
2SE21.5 2 21.5 mm 45 110 20 HSSCO
2SE21.6 2 21.6 mm 45 110 20 HSSCO
2SE21.7 2 21.7 mm 45 110 20 HSSCO
2SE21.8 2 21.8 mm 45 110 20 HSSCO
2SE21.9 2 21.9 mm 45 110 20 HSSCO
2SE22 2 22 mm 45 110 20 HSSCO
2SE22.1 □ 2 22.1 mm 50 120 25 HSSCO
2SE22.2 2 22.2 mm 50 120 25 HSSCO
2SE22.3 2 22.3 mm 50 120 25 HSSCO
2SE22.4 2 22.4 mm 50 120 25 HSSCO
2SE22.5 2 22.5 mm 50 120 25 HSSCO
2SE22.6 2 22.6 mm 50 120 25 HSSCO
2SE22.7 2 22.7 mm 50 120 25 HSSCO
2SE22.8 2 22.8 mm 50 120 25 HSSCO
2SE22.9 2 22.9 mm 50 120 25 HSSCO
2SE23 2 23 mm 50 120 25 HSSCO
2SE23.1 □ 2 23.1 mm 50 120 25 HSSCO
2SE23.2 □ 2 23.2 mm 50 120 25 HSSCO
2SE23.3 2 23.3 mm 50 120 25 HSSCO
2SE23.4 2 23.4 mm 50 120 25 HSSCO
2SE23.5 2 23.5 mm 50 120 25 HSSCO
2SE23.6 2 23.6 mm 50 120 25 HSSCO
2SE23.7 2 23.7 mm 50 120 25 HSSCO
2SE23.8 2 23.8 mm 50 120 25 HSSCO
2SE23.9 2 23.9 mm 50 120 25 HSSCO
2SE24 2 24 mm 50 120 25 HSSCO
2SE24.1 □ 2 24.1 mm 50 120 25 HSSCO
2SE24.2 2 24.2 mm 50 120 25 HSSCO
2SE24.3 2 24.3 mm 50 120 25 HSSCO
2SE24.4 2 24.4 mm 50 120 25 HSSCO
2SE24.5 2 24.5 mm 50 120 25 HSSCO
2SE24.6 2 24.6 mm 50 120 25 HSSCO
2SE24.7 2 24.7 mm 50 120 25 HSSCO
2SE24.8 2 24.8 mm 50 120 25 HSSCO
2SE24.9 2 24.9 mm 50 120 25 HSSCO
2SE25 2 25 mm 50 120 25 HSSCO
2SE25.1 □ 2 25.1 mm 50 120 25 HSSCO
2SE25.2 2 25.2 mm 50 120 25 HSSCO
2SE25.3 2 25.3 mm 50 120 25 HSSCO
2SE25.4 2 25.4 mm 50 120 25 HSSCO
2SE25.5 2 25.5 mm 50 120 25 HSSCO
2SE25.6 2 25.6 mm 50 120 25 HSSCO
2SE25.7 2 25.7 mm 50 120 25 HSSCO
2SE25.8 2 25.8 mm 50 120 25 HSSCO
2SE25.9 2 25.9 mm 50 120 25 HSSCO
2SE26 2 26 mm 50 120 25 HSSCO
2SE26.1 □ 2 26.1 mm 55 125 25 HSSCO
2SE26.2 2 26.2 mm 55 125 25 HSSCO
2SE26.3 2 26.3 mm 55 125 25 HSSCO
2SE26.4 2 26.4 mm 55 125 25 HSSCO
2SE26.5 2 26.5 mm 55 125 25 HSSCO
2SE26.6 2 26.6 mm 55 125 25 HSSCO
2SE26.7 2 26.7 mm 55 125 25 HSSCO
2SE26.8 2 26.8 mm 55 125 25 HSSCO
2SE26.9 2 26.9 mm 55 125 25 HSSCO
2SE27 2 27 mm 55 125 25 HSSCO
2SE27.1 □ 2 27.1 mm 55 125 25 HSSCO
2SE27.2 2 27.2 mm 55 125 25 HSSCO
2SE27.3 2 27.3 mm 55 125 25 HSSCO
2SE27.4 2 27.4 mm 55 125 25 HSSCO
2SE27.5 2 27.5 mm 55 125 25 HSSCO
2SE27.6 2 27.6 mm 55 125 25 HSSCO
2SE27.7 2 27.7 mm 55 125 25 HSSCO
2SE27.8 2 27.8 mm 55 125 25 HSSCO
2SE27.9 2 27.9 mm 55 125 25 HSSCO
2SE28 2 28 mm 55 125 25 HSSCO
2SE28.1 □ 2 28.1 mm 55 125 25 HSSCO
2SE28.2 2 28.2 mm 55 125 25 HSSCO
2SE28.3 2 28.3 mm 55 125 25 HSSCO
2SE28.4 2 28.4 mm 55 125 25 HSSCO
2SE28.5 2 28.5 mm 55 125 25 HSSCO
2SE28.6 2 28.6 mm 55 125 25 HSSCO
2SE28.7 2 28.7 mm 55 125 25 HSSCO
2SE28.8 2 28.8 mm 55 125 25 HSSCO
2SE28.9 2 28.9 mm 55 125 25 HSSCO
2SE29 2 29 mm 55 125 25 HSSCO
2SE29.1 □ 2 29.1 mm 55 125 25 HSSCO
2SE29.2 □ 2 29.2 mm 55 125 25 HSSCO
2SE29.3 2 29.3 mm 55 125 25 HSSCO
2SE29.4 2 29.4 mm 55 125 25 HSSCO
2SE29.5 2 29.5 mm 55 125 25 HSSCO
2SE29.6 2 29.6 mm 55 125 25 HSSCO
2SE29.7 2 29.7 mm 55 125 25 HSSCO
2SE29.8 2 29.8 mm 55 125 25 HSSCO
2SE29.9 2 29.9 mm 55 125 25 HSSCO
2SE30 2 30 mm 55 125 25 HSSCO
2SE31 2 31 mm 60 145 32 HSSCO
2SE32 2 32 mm 60 145 32 HSSCO
2SE33 2 33 mm 60 145 32 HSSCO
2SE34 2 34 mm 60 145 32 HSSCO
2SE35 2 35 mm 60 145 32 HSSCO
2SE36 2 36 mm 60 145 32 HSSCO
2SE37 2 37 mm 65 150 32 HSSCO
2SE38 2 38 mm 65 150 32 HSSCO
2SE39 2 39 mm 65 150 32 HSSCO
2SE40 2 40 mm 65 150 32 HSSCO
2SE42 2 42 mm 65 150 32 HSSCO
2SE42×42 2 42 mm 65 155 42 HSSCO
2SE45 2 45 mm 70 155 32 HSSCO
2SE45×42 2 45 mm 70 160 42 HSSCO
2SE48 2 48 mm 70 155 32 HSSCO
2SE48×42 2 48 mm 70 160 42 HSSCO
2SE50 2 50 mm 70 155 32 HSSCO
2SE50×42 2 50 mm 70 160 42 HSSCO

□ = special order (made to order, longer lead time)

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