ToolingSolutionsProductCatalogVol1 2024 USA LR

Ball End Cobalt High Speed Steel

List 521: Single End, Regular Length, 2 Flute List 523: Double End, Regular Length, 2 Flute List 526: Single End, Regular Length, 2 Flute, Extension Type List 544: Single End, Regular Length, 4 Flute List 621: Ball End, Regular Length, 2 Flute List 644: Ball End, Regular Length, Multiple Flute Profiling

Hardness

<145 Brinell

<20 HRC

20-30 HRC

30-40 HRC

40-50 HRC

Medium Carbon Steels Medium Strength Titanium Alloys Medium Strength Stainless Steels

Heat Resistant High Alloys High Strength Stainless Steels Titanium Alloys

Mild Steels Hard Brass Bronze Cast Iron

High Carbon Steel Titanium Alloys High Strength Stainless Steels

Heat Resistant High Alloys Austenitic Alloys Nickel Base Alloys

Work Material

Aluminum Aluminum Alloys

Cutting Speed

80-150 SFM

80-110 SFM

50-65 SFM

30-50 SFM

16-32 SFM

80-390 SFM

a a 2FL = 1/2D 4FL = 1/4D

Depth of Cut

a r= 0.1D

Speed RPM

Feed in/min

Speed RPM

Feed in/min

Speed RPM

Feed in/min

Speed RPM

Feed in/min

Speed RPM

Feed in/min

Speed RPM

Feed in/min

Mill Dia.

1/8

3,515 2,340 1,760 1,400 1,170 1,000

4.0 5.2 5.6 6.2 6.2 6.7 6.6 6.3 6.0 5.6 5.3 4.9 4.3 4.2 3.7

2,900 1,935 1,450 1,160

2.9 3.9 4.2 4.7 4.6 5.0 4.6 4.6 4.4 3.9 3.3 2.9 2.5 2.3 2.0

1,800 1,120

1.5 1.8 2.0 2.3 2.4 2.5 2.4 2.4 2.4 2.3 2.0 1.8 1.6 1.5 1.1

1,250

0.9 1.1 1.3 1.4 1.5 1.5 1.5 1.6 1.6 1.6 1.5 1.3 1.1 1.0 0.8

800 500 400 315 280 224 200 180 160 140 110 100

0.4 0.5 0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.6 0.5

7,180 4,790 3,590 2,875 2,390 2,050 1,795 1,595 1,435 1,195 1,025

7.2 9.1 9.6

3/16

800 630 500 450 355 315 280 250 225 180 160 140 125 100

1/4

900 710 630 500 450 400 355 315 250 224 200 180 140

5/16

11.0 10.1 10.9 10.8 10.0

3/8

970 830 725 645 580 485 415 360 320 290 240

7/16

1/2

880 780 700 585 500 440 390 350 295

9/16

5/8 3/4 7/8

9.6 9.0 8.7 8.1 7.6 6.8 6.0

1

900 800 720 600

1-1/8 1-1/4 1-1/2

90 80 63

Reduce Speeds and Feeds by 10% for List 526 In case of deeper operation, slow down feed by 20-50%

osgtool.com

1504

End Mill Technical

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