Metric

Metric

2 Flute Regular

2 Flute Regular

2 Flute Regular Ball End

2 Flute Regular Ball End

Metric HSS end mills are sized in true millimeter increments rather than fractional-inch equivalents, making them the correct choice for metric-spec drawings, imported equipment, and international customers. Available in 2 flute square end and ball end profiles.

Why True Metric Sizing Matters: A metric-dimensioned print calls for a metric tool — using a fractional-inch end mill as an approximate substitute can introduce tolerance errors that compound across a job. True metric sizing avoids this.

Square End vs. Ball End: Square end tools handle general-purpose slotting and pocketing, while ball end tools are used for contoured and 3D surface work.

Compare	SKU	Vendor	Size (D1)	Shank Diameter (D2)	Flute Length (L2)	Reach (L3)	Overall Length (L1)	Length Type	Corner Radius (R)	Included Angle	Taper Angle	Helix Angle	Number of Flutes	Weldon Flats	Flats	Coating	In Stock	Price	Quantity
	A71489	HTC Tool	4.0MM	3/8	7/16		2-5/16					30°	2			Uncoated	60	MSRP: $32.30 Was:

HTC Tool

5MM

3/8

1/2

2-5/16

30°

2

Uncoated

19

$35.10

HTC Tool

16MM

1/2

1-5/16

3-5/16

30°

2

Uncoated

12

$33.82

HTC Tool

18MM

1/2

1-5/16

3-5/16

30°

2

Uncoated

4

$37.77

HTC Tool

14.5MM

1/2

1-1/8

3-1/8

30°

2

TiALN

Available to Order^*

$32.15

HTC Tool

15MM

1/2

1-1/8

3-1/8

30°

2

TiALN

Available to Order^*

$32.15

HTC Tool

16MM

1/2

1-5/16

3-5/16

30°

2

TiCN

Available to Order^*

$33.78

HTC Tool

16MM

1/2

1-5/16

3-5/16

30°

2

TiALN

Available to Order^*

$35.54

HTC Tool

17MM

5/8

1-5/16

3-7/16

30°

2

TiCN

Available to Order^*

$35.35

HTC Tool

17MM

5/8

1-5/16

3-7/16

30°

2

TiALN

Available to Order^*

$37.12

HTC Tool

17MM

5/8

1-5/16

3-7/16

30°

2

TiN

Available to Order^*

$31.83

HTC Tool

18MM

1/2

1-5/16

3-5/16

30°

2

TiCN

Available to Order^*

$36.40

HTC Tool

18MM

1/2

1-5/16

3-5/16

30°

2

TiALN

Available to Order^*

$38.18

HTC Tool

18MM

1/2

1-5/16

3-5/16

30°

2

TiN

Available to Order^*

$32.88

HTC Tool

19MM

3/4

1-5/16

3-9/16

30°

2

TiCN

Available to Order^*

$37.20

HTC Tool

19MM

3/4

1-5/16

3-9/16

30°

2

TiALN

Available to Order^*

$38.98

HTC Tool

19MM

3/4

1-5/16

3-9/16

30°

2

TiN

Available to Order^*

$33.65

HTC Tool

20MM

3/4

1-1/2

3-3/4

30°

2

TiN

Available to Order^*

$41.28

HTC Tool

21MM

1/2

1-1/2

3-1/2

30°

2

TiN

Available to Order^*

$41.28

HTC Tool

22MM

7/8

1-1/2

3-3/4

30°

2

Uncoated

Available to Order^*

$32.90

HTC Tool

23MM

1/2

1-1/2

3-1/2

30°

2

Uncoated

Available to Order^*

$38.17

HTC Tool

24MM

1/2

1-1/2

3-1/2

30°

2

Uncoated

Available to Order^*

$39.48

HTC Tool

25MM

1

1-5/8

4-1/8

30°

2

Uncoated

Available to Order^*

$39.48

* Lead times can vary from 1–10 business days. Call (908) 98-ATLAS or email sales@atlascuttingtools.com for details.

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