*NOTE: Recommended Speeds & Feeds, applications may vary. SUPER BITCHIN’ PERFORMANCE 4 FLUTE – WTF COATING (INCH) 216 866-888-9600 gorillamill.com SPEEDS & FEEDS YETI 4 FLUTE (INCH) COATED SPEEDS & FEEDS CHART FOR PROFILING WITH WTF COATING. CHIMP LOAD PER TOOTH. 2X DIAMETER DEEP WORK PIECE MATERIAL SFM 1/8" 3/16" 1/4" PERCENTAGE OF CUTTER DIAMETER 5% 10% 15% 20% 30% 50% 5% 10% 15% 20% 30% 50% 5% 10% 15% 20% 30% 50% Gray Cast Iron 900 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 .0021 .0016 .0013 .0011 .0010 .0009 Ductile Iron 650 .0007 .0005 .0004 .0004 .0003 .0003 .0012 .0009 .0007 .0006 .0006 .0005 .0016 .0013 .0010 .0008 .0008 .0007 Soft Steels, (A36,1018, 8620,1045) 900 .0007 .0005 .0004 .0004 .0003 .0003 .0012 .0009 .0007 .0006 .0006 .0005 .0016 .0013 .0010 .0008 .0008 .0007 Alloy Steels, (4340,4140) 650 .0007 .0005 .0004 .0004 .0003 .0003 .0012 .0009 .0007 .0006 .0006 .0005 .0016 .0013 .0010 .0008 .0008 .0007 4140 Pre-Hard (28 to 32 Rc) 425 .0007 .0005 .0004 .0004 .0003 .0003 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 Tool Steels (A2,D2,S7) 425 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 .0021 .0016 .0013 .0011 .0010 .0009 Die Steels, (H13,P20) 500 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 .0021 .0016 .0013 .0011 .0010 .0009 Stainless Steel, (303, 304, 316) 475 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 .0018 .0014 .0011 .0010 .0009 .0008 Difficult Stainless Steel, (400 & PH Series) 450 .0007 .0005 .0004 .0004 .0003 .0003 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 Stainless Steel (13-8) 225 .0007 .0005 .0004 .0004 .0003 .0003 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 High Temp. Alloys 400 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 .0018 .0014 .0011 .0010 .0009 .0008 Titanium (6AL4V) 325 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 .0018 .0014 .0011 .0010 .0009 .0008 Inco 718 250 .0007 .0005 .0004 .0004 .0003 .0003 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 Inco 625 180 .0007 .0005 .0004 .0004 .0003 .0003 .0009 .0007 .0006 .0005 .0004 .0004 .0014 .0011 .0008 .0007 .0007 .0006 WORK PIECE MATERIAL SFM 5/16" 3/8" 7/16" PERCENTAGE OF CUTTER DIAMETER 5% 10% 15% 20% 30% 50% 5% 10% 15% 20% 30% 50% 5% 10% 15% 20% 30% 50% Gray Cast Iron 900 .0028 .0022 .0017 .0014 .0013 .0012 .0035 .0027 .0021 .0018 .0017 .0015 .0041 .0032 .0025 .0022 .0020 .0018 Ductile Iron 650 .0023 .0018 .0014 .0012 .0011 .0010 .0030 .0023 .0018 .0016 .0014 .0013 .0037 .0029 .0022 .0019 .0018 .0016 Soft Steels, (A36,1018, 8620,1045) 900 .0023 .0018 .0014 .0012 .0011 .0010 .0032 .0025 .0020 .0017 .0015 .0014 .0037 .0029 .0022 .0019 .0018 .0016 Alloy Steels, (4340,4140) 650 .0023 .0018 .0014 .0012 .0011 .0010 .0030 .0023 .0018 .0016 .0014 .0013 .0037 .0029 .0022 .0019 .0018 .0016 4140 Pre-Hard (28 to 32 Rc) 425 .0021 .0016 .0013 .0011 .0010 .0009 .0025 .0020 .0015 .0013 .0012 .0011 .0032 .0025 .0020 .0017 .0015 .0014 Tool Steels (A2,D2,S7) 425 .0028 .0022 .0017 .0014 .0013 .0012 .0035 .0027 .0021 .0018 .0017 .0015 .0041 .0032 .0025 .0022 .0020 .0018 Die Steels, (H13,P20) 500 .0028 .0022 .0017 .0014 .0013 .0012 .0035 .0027 .0021 .0018 .0017 .0015 .0041 .0032 .0025 .0022 .0020 .0018 Stainless Steel, (303, 304, 316) 475 .0023 .0018 .0014 .0012 .0011 .0010 .0035 .0027 .0021 .0018 .0017 .0015 .0041 .0032 .0025 .0022 .0020 .0018 Difficult Stainless Steel, (400 & PH Series) 450 .0021 .0016 .0013 .0011 .0010 .0009 .0028 .0022 .0017 .0014 .0013 .0012 .0037 .0029 .0022 .0019 .0018 .0016 Stainless Steel (13-8) 225 .0021 .0016 .0013 .0011 .0010 .0009 .0028 .0022 .0017 .0014 .0013 .0012 .0035 .0027 .0021 .0018 .0017 .0015 High Temp. Alloys 400 .0023 .0018 .0014 .0012 .0011 .0010 .0035 .0027 .0021 .0018 .0017 .0015 .0041 .0032 .0025 .0022 .0020 .0018 Titanium (6AL4V) 325 .0023 .0018 .0014 .0012 .0011 .0010 .0032 .0025 .0020 .0017 .0015 .0014 .0041 .0032 .0025 .0022 .0020 .0018 Inco 718 250 .0021 .0016 .0013 .0011 .0010 .0009 .0028 .0022 .0017 .0014 .0013 .0012 .0035 .0027 .0021 .0018 .0017 .0015 Inco 625 180 .0021 .0016 .0013 .0011 .0010 .0009 .0028 .0022 .0017 .0014 .0013 .0012 .0035 .0027 .0021 .0018 .0017 .0015 WORK PIECE MATERIAL SFM 1/2" 5/8" 3/4" 1” PERCENTAGE OF CUTTER DIAMETER 5% 10% 15% 20% 30% 50% 5% 10% 15% 20% 30% 50% 5% 10% 15% 20% 30% 50% 5% 10% 15% 20% 30% 50% Gray Cast Iron 900 .0053 .0041 .0032 .0028 .0025 .0023 .0067 .0052 .0041 .0035 .0032 .0029 .0081 .0063 .0049 .0042 .0039 .0035 .0092 .0072 .0056 .0048 .0044 .0040 Ductile Iron 650 .0048 .0038 .0029 .0025 .0023 .0021 .0062 .0049 .0038 .0032 .0030 .0027 .0076 .0059 .0046 .0040 .0036 .0033 .0087 .0068 .0053 .0046 .0042 .0038 Soft Steels, (A36,1018, 8620,1045) 900 .0048 .0038 .0029 .0025 .0023 .0021 .0062 .0049 .0038 .0032 .0030 .0027 .0076 .0059 .0046 .0040 .0036 .0033 .0087 .0068 .0053 .0046 .0042 .0038 Alloy Steels, (4340,4140) 650 .0048 .0038 .0029 .0025 .0023 .0021 .0062 .0049 .0038 .0032 .0030 .0027 .0076 .0059 .0046 .0040 .0036 .0033 .0087 .0068 .0053 .0046 .0042 .0038 4140 Pre-Hard (28 to 32 Rc) 425 .0041 .0032 .0025 .0022 .0020 .0018 .0055 .0043 .0034 .0029 .0026 .0024 .0067 .0052 .0041 .0035 .0032 .0029 .0081 .0063 .0049 .0042 .0039 .0035 Tool Steels (A2,D2,S7) 425 .0048 .0038 .0029 .0025 .0023 .0021 .0067 .0052 .0041 .0035 .0032 .0029 .0078 .0061 .0048 .0041 .0037 .0034 .0087 .0068 .0053 .0046 .0042 .0038 Die Steels, (H13,P20) 500 .0051 .0040 .0031 .0026 .0024 .0022 .0067 .0052 .0041 .0035 .0032 .0029 .0081 .0063 .0049 .0042 .0039 .0035 .0092 .0072 .0056 .0048 .0044 .0040 Stainless Steel, (303, 304, 316) 475 .0048 .0038 .0029 .0025 .0023 .0021 .0064 .0050 .0039 .0034 .0031 .0028 .0076 .0059 .0046 .0040 .0036 .0033 .0087 .0068 .0053 .0046 .0042 .0038 Difficult Stainless Steel, (400 & PH Series) 450 .0041 .0032 .0025 .0022 .0020 .0018 .0060 .0047 .0036 .0031 .0029 .0026 .0069 .0054 .0042 .0036 .0033 .0030 .0083 .0065 .0050 .0043 .0040 .0036 Stainless Steel (13-8) 225 .0041 .0032 .0025 .0022 .0020 .0018 .0058 .0045 .0035 .0030 .0028 .0025 .0069 .0054 .0042 .0036 .0033 .0030 .0081 .0063 .0049 .0042 .0039 .0035 High Temp. Alloys 400 .0048 .0038 .0029 .0025 .0023 .0021 .0064 .0050 .0039 .0034 .0031 .0028 .0081 .0063 .0049 .0042 .0039 .0035 .0087 .0068 .0053 .0046 .0042 .0038 Titanium (6AL4V) 325 .0051 .0040 .0031 .0026 .0024 .0022 .0064 .0050 .0039 .0034 .0031 .0028 .0081 .0063 .0049 .0042 .0039 .0035 .0087 .0068 .0053 .0046 .0042 .0038 Inco 718 250 .0041 .0032 .0025 .0022 .0020 .0018 .0055 .0043 .0034 .0029 .0026 .0024 .0069 .0054 .0042 .0036 .0033 .0030 .0081 .0063 .0049 .0042 .0039 .0035 Inco 625 180 .0041 .0032 .0025 .0022 .0020 .0018 .0055 .0043 .0034 .0029 .0026 .0024 .0069 .0054 .0042 .0036 .0033 .0030 .0081 .0063 .0049 .0042 .0039 .0035 A DESCENDANT OF GORILLA MILLS ®
2024 Gorilla Mill Fall Catalog
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