Made in the USA

Speeds and Feeds for Endmills

Material Group Speed SFM Dia up to 1/4 Dia 1/4 to 1/2 Dia 1/2 to 3/4 Dia 3/4 to 1”
Aluminum & Related Alloys 600-1200 .001-.002 .002-.004 .004-.006 .006-.008
Brass & Bronze 300-550 .001-.002 .002-.003 .003-.004 .004-.005
Copper & Related Alloys 500-900 .001-.002 .002-.003 .003-.005 .005-.006
Cast Iron (soft +/- 195bhn) 200-500 .001-.002 .002-.003 .003-.005 .005-.008
Cast Iron (medium +/- 225bhn) 125-350 .001-.002 .002-.003 .003-.004 .004-.007
Cast Iron (hard +/- 275bhn) 80-300 .0005-.001 .001-.002 .002-.003 .003-.005
Magnesium 800-1400 .001-.003 .003-.005 .005-.007 .007-.009
Monel & Nickel Alloys 65-175 .0005-.001 .001-.002 .002-.003 .003-.004
Plastics 600-1200 .001-.003 .003-.006 .006-.010 .010-.015
Steel-Heat Treated (35-40Rc) 150-350 .0003-.0005 .0005-.001 .001-.003 .003-.005
Steel-Heat Treated (40-45Rc) 125-275 .0002-.0005 .0005-.001 .001-.002 .002-.004
Steel-Heat Treated (45+Rc) 20-50 .0002-.0005 .0005-.001 .001-.002 .002-.003
Steel-Medium Carbon 175-350 .0005-.001 .001-.002 .002-.004 .004-.006
Steel; Mold & Die 50-250 .0005-.001 .001-.002 .002-.004 .004-.007
Steel; Tool 150-250 .0005-.001 .001-.002 .002-.004 .004-.006
Stainless-Soft 250-400 .0005-.001 .001-.002 .002-.004 .004-.006
Stainless-Hard 75-250 .0005-.001 .001-.002 .002-.003 .003-.005
Titanium Alloys 90-225 .0003-.008 .0008-.002 .002-.003 .003-.005

 

Speeds & Feeds for Heat Resistant Cobalt & Austenitic Alloys

 

 Heat-Resistant Cobalt Based Alloys, High Tensile Steels (50-55 C) Heat-Resistant Austenitic Alloys, High Tensile Steels (46-50 C)
Diameter of Endmill Speed 5-10 SFM
RPM		 Feed
Chip Load Per Tooth		 Speed 10-15 SFM
RPM		 Feed
Chip Load Per Tooth
1/16 * * * *
3/32 * * * *
1/8 * * * *
3/16 * * 204-306 .0002 -.0005
1/4 76-153 .0002 -.001 153-230 .0002 -.001
5/16 61-122 .0002 -.001 122-183 .0002 -.001
3/8 51-102 .0002 -.001 102-153 .0002 -.001
7/16 44-88 .0005 -.001 88-132 .0005 -.001
1/2 38-76 .0005 -.001 76-115 .0005 -.001
9/16 34-68 .0005 -.002 68-104 .0005 -.002
5/8 31-61 .0005 -.002 61-92 .0005 -.002
11/16 28-56 .0005 -.002 56-84 .0005 -.002
3/4 26-51 .0005 -.002 51-76 .0005 -.002
13/16 24-47 .001 -.003 47-71 .001 -.003
7/8 22-44 .001 -.003 44-65 .001 -.003
15/16 20-40 .001 -.003 40-62 .001 -.003
1 19-38 .001 -.003 38-58 .001 -.003
1 1/8 34 .0015 -.004 34-51 .0015 -.004
1 1/4 31 .0015 -.004 31-46 .0015 -.004
1 3/8 28 .0015 -.004 28-42 .0015 -.004
1 1/2 26 .0015 -.004 26-38 .0015 -.004
1 5/8 24 .002 UP 35 .002 UP
1 3/4 22 .002 UP 32 .002 UP
1 7/8 20 .002 UP 30 .002 UP
2 19 .002 UP 29 .003 UP
2 1/8 18 .003 UP 28 .003 UP
2 1/4 17 .003 UP 26 .003 UP
2 3/8 16 .003 UP 25 .003 UP
2 1/2 15 .003 UP 23 .003 UP
2 5/8 15 .003 UP 22 .003 UP
2 3/4 14 .003 UP 21 .003 UP
2 7/8 14 .003 UP 20 .003 UP
3 13 .003 UP 19 .003 UP

 

Speeds & Feeds for Heat Resistant Nickel,

Stainless Steel & Titanium Alloys

  Heat-Resistant Nickel Based Alloys, High Strength Stainless Steels, High Strength Titanium Alloys High-Resistant High Strength Stainless Steels, High Tensile Steels (40-60 C) Medium Strength Titanium Alloys
Diameter of Endmill Speed 15-20 SFM
RPM		 Feed
Chip Load Per Tooth		 Speed 20-40 SFM RPM Feed
Chip Load Per Tooth
1/16 * * 1222-2444 .0002-.0005
3/32 611-815 .0002 -.0005 815-1629 .0002-.0005
1/8 456-611 .0002 -.0005 611-1222 .0002-.0005
3/16 306-407 .0002 -.0005 407-815 .0002-.0005
1/4 229-306 .0002 -.001 306-611 .0002 -.001
5/16 183-244 .0002 -.001 244-489 .0002 -.001
3/8 153-203 .0002 -.001 203-407 .0005 -.002
7/16 131-175 .0005 -.002 175-349 .0005 -.002
1/2 115-153 .0005 -.002 153-306 .0005 -.003
9/16 104-136 .0005 -.002 136-272 .0005 -.003
5/8 92-122 .0005 -.002 122-244 .001 -.004
11/16 84-111 .0005 -.002 111-222 .001 -.004
3/4 76-102 .001 -.004 102-203 .001 -.004
13/16 71-94 .001 -.004 94-189 .001 -.004
7/8 65-87 .001 -.004 87-175 .001 -.004
15/16 62-81 .001 -.004 81-163 .001 -.004
1 58-76 .001 -.004 76-153 .002 -.006
1 1/8 51-68 .0015 -.005 68-136 .002 -.006
1 1/4 46-61 .0015 -.005 61-122 .002 -.006
1 3/8 42-55 .0015 -.005 55-111 .002 -.006
1 1/2 38-51 .002 UP 51-102 .003 UP
1 5/8 35-47 .002 UP 47-94 .003 UP
1 3/4 32-43 .002 UP 43-87 .003 UP
1 7/8 30-40 .003 UP 40-81 .003 UP
2 29-38 .003 UP 38-76 .003 UP
2 1/8 36 .003 UP 36-72 .003 UP
2 1/4 34 .003 UP 34-68 .003 UP
2 3/8 32 .003 UP 32-64 .003 UP
2 1/2 30 .003 UP 30-61 .003 UP
2 5/8 29 .003 UP 29-58 .003 UP
2 3/4 28 .003 UP 28-56 .003 UP
2 7/8 27 .003 UP 27-53 .003 UP
3 26 .003 UP 26-51 .003 UP

 

Speeds & Feeds for Heat Resistant Ferritic Based Alloys,

Medium Strength Stainless Steel & Unalloyed Titanium Steels

  Heat-Resistant Ferritic Based Alloys, Medium Strength Stainless Steels, Unalloyed Titanium Tool Steels (30-40 C) Machine Steel, Hard Brass & Bronze, Electrolytic Copper, Mild Steel Forgings (20-30 C)
Diameter of Endmill Speed 40-60 SFM RPM Feed
Chip Load Per Tooth		 Speed 60-80 SFM
RPM		 Feed
Chip Load Per Tooth
1/16 2444-3667 .0002 -.005 3667-4888 .0002 -.0005
3/32 1629-2750 .0002 -.005 2750-3259 .0002 -.0005
1/8 1222-1833 .0002 -.005 1833-2440 .0002 -.001
3/16 815-1222 .0002 -.005 1222-1625 .0002 -.001
1/4 611-917 .0002 -.001 917-1222 .0005 -.002
5/16 489-733 .0002 -.001 733-978 .0005 -.002
3/8 406-611 .0005 -.002 611-815 .001 -.003
7/16 349-524 .0005 -.002 524-698 .001 -.003
1/2 306-458 .001 -.003 458-611 .001 -.003
9/16 272-412 .001 -.003 412-543 .001 -.004
5/8 244-367 .001 -.004 367-489 .001 -.004
11/16 222-337 .001 -.004 337-444 .001 -.004
3/4 203-306 .001 -.004 306-407 .001 -.004
13/16 189-284 .001 -.004 284-379 .002 -.006
7/8 175-262 .002 -.006 262-349 .002 -.006
15/16 163-246 .002 -.006 246-326 .002 -.006
1 153-229 .002 -.006 229-306 .002 -.006
1 1/8 136-204 .002 -.006 204-272 .002 -.006
1 1/4 122-183 .002 -.006 183-244 .003 UP
1 3/8 111-167 .003 UP 167-222 .003 UP
1 1/2 102-153 .003 UP 153-204 .003 UP
1 5/8 94-141 .003 UP 141-188 .003 UP
1 3/4 87-131 .003 UP 131-175 .003 UP
1 7/8 81-122 .003 UP 122-163 .003 UP
2 76-115 .003 UP 115-153 .003 UP
2 1/8 72-108 .003 UP 108-144 .003 UP
2 1/4 68-102 .003 UP 103-136 .003 UP
2 3/8 64-97 .003 UP 97-128 .003 UP
2 1/2 61-92 .003 UP 92-122 .003 UP
2 5/8 58-88 .003 UP 88-116 .003 UP
2 3/4 56-83 .003 UP 83-111 .003 UP
2 7/8 53-80 .003 UP 80-106 .003 UP
3 51-76 .003 UP 76-102 .003 UP

 

Speeds & Feeds for Cast Iron, Mild Steel, Brass,

Bronze, Alloyed Aluminum

  Cast Iron, Mild Steel, Half Hard Brass & Bronze Brass, Bronze, Alloyed Aluminum, Abrasive Plastics
Diameter of Endmill Speed 80-100 SFM
RPM		 Feed
Chip Load Per Tooth		 Speed 100-200 SFM
RPM		 Feed
Chip Load Per Tooth
1/16 4888-6111 .0002 -.0005 6111-12222 .0002 -.0005
3/32 3259-4073 .0002 -.0005 4073-8146 .0002 -.0005
1/8 2440-3056 .0002 -.001 3056-6112 .0002 -.001
3/16 1625-2037 .0002 -.001 2037-4074 .0002 -.001
1/4 1222-1528 .0005 -.002 1528-3056 .0005 -.002
5/16 978-1222 .0005 -.002 1222-2444 .0005 -.002
3/8 815-1019 .001 -.003 1019-2038 .0005 -.003
7/16 698-873 .001 -.003 873-1746 .0005 -.003
1/2 611-764 .001 -.003 764-1528 .0005 -.003
9/16 543-678 .001 -.004 678-1356 .0005 -.004
5/8 489-611 .001 -.004 611-1222 .0005 -.004
11/16 444-555 .001 -.004 555-1110 .0005 -.004
3/4 407-509 .002 -.006 509-1018 .001 -.006
13/16 379-469 .002 -.006 469-938 .001 -.006
7/8 349-436 .002 -.006 436-872 .001 -.006
15/16 326-407 .002 -.006 407-814 .001 -.006
1 306-382 .002 -.006 382-764 .002 UP
1 1/8 272-340 .003 UP 340-680 .002 UP
1 1/4 244-306 .003 UP 306-612 .002 UP
1 3/8 222-278 .003 UP 278-556 .002 UP
1 1/2 204-255 .003 UP 255-510 .003 UP
1 5/8 188-235 .003 UP 235-470 .003 UP
1 3/4 175-218 .003 UP 218-436 .003 UP
1 7/8 163-204 .003 UP 204-408 .003 UP
2 153-191 .003 UP 191-382 .003 UP
2 1/8 144-179 .003 UP 179-358 .003 UP
2 1/4 136-170 .003 UP 170-340 .003 UP
2 3/8 128-161 .003 UP 161-322 .003 UP
2 1/2 122-153 .003 UP 153-306 .003 UP
2 5/8 116-145 .003 UP 145-290 .003 UP
2 3/4 111-139 .003 UP 139-278 .003 UP
2 7/8 106-132 .003 UP 132-264 .003 UP
3 102-127 .003 UP 127-154 .003 UP

 

Speeds & Feeds for Aluminum, Plastics, & Wood

  Aluminum, Plastics, & Wood
Diameter of Endmill Speed 200-600 SFM
RPM		 Feed
Chip Load Per Tooth
1/16 12222 UP .0002 -.0005
3/32 8146 UP .0002 -.0005
1/8 6112 UP .0002 -.001
3/16 4074-12222 .0002 -.001
1/4 3056-9168 .0005 -.002
5/16 2444-7332 .0005 -.002
3/8 2038-6114 .0005 -.002
7/16 1746-5238 .0005 -.002
1/2 1528-4584 .0005 -.002
9/16 1356-4071 .0005 -.003
5/8 1222-3666 .0005 -.003
11/16 1110-3330 .0005 -.003
3/4 1018-3054 .001 -.004
13/16 938-2814 .001 -.004
7/8 872-2616 .001 -.004
15/16 514-2442 .001 -.004
1 764-2292 .002 UP
1 1/8 680-2040 .002 UP
1 1/4 612-1836 .002 UP
1 3/8 556-1668 .002 UP
1 1/2 510-1530 .002 UP
1 5/8 470-1410 .002 UP
1 3/4 436-1308 .002 UP
1 7/8 408-1224 .003 UP
2 382-1146 .003 UP
2 1/8 358-1074 .003 UP
2 1/4 340-1020 .003 UP
2 3/8 322-966 .003 UP
2 1/2 306-918 .003 UP
2 5/8 290-870 .003 UP
2 3/4 278-834 .003 UP
2 7/8 264-792 .003 UP
3 254-762 .003 UP