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Reamers

Recommended Cutting Parameters (Inch)

  Reamer Diameter
Workplace Material Group ISO Hardness SFM IPR        
        > 1/16 >1/16 - 1/8 >1/8 - 1/4 >1/4 - 1/2 >1/2 - 1
Free Machining & Low Carbon Steels 1006, 1008, 1015, 1018, 1020, 1022, 1025, 1117, 1140, 1141, 11L08, 11L14, 1213, 12L13, 12L14, 1215, 1330 P   200-300 .0005-.0030 .0020-.0060 .0040-.0100 .0060-.0150 .0100-.0300
Medium Carbon & High Carbon Steels, Alloy Steels & Easy to Machine Tool Steels 1030, 1035, 1040, 1045, 1050, 1052, 1055, 1060, 1085, 1095, 1541, 1551, 9255, 2515, 3135, 3415, 4130, 4137, 4140, 4150, 4320, 4340, 4520, 5015, 5115, 5120, 5132, 5140, 5155, 6150, 8620, 9262, 9840, 52100, O1, O2, O6, S2, W1 to W310 P   125-200 .0005-.0020 .0020-.0040 .0040-.0060 .0060-.0100 .0100-.0200
Tool Steels & Die Steels O7, M1, M2, M3, M4, M7, T1, T2, T4, T5, T8, T15, A2, A3, A6, A7, H10, H11, H12, H13, H19, H21, L3, L6, L7, P2, P20, S1, S5, S7, 52100, A 128, D2, D3, D4, D5, D7 P   50-125 .0002-.0010 .0010-.0020 .0020-.0040 .0040-.0060 .0060-.0100
Stainless Steel - Free Machining / Austenitic 304/316 M   120-190 .0005-.0020 .0020-.0040 .0040-.0060 .0060-.0100 .0100-.0200
Stainless Steel - Ferritic / Martensitic M   80-120 .0005-.0020 .0020-.0040 .0040-.0060 .0060-.0100 .0100-.0200
Stainless Steel - Moderately Difficult 301, 302, 303 High Tensile, 304, 304L, 305, 420, 15-5PH, 17-4PH, 17-7PH M   60-100 .0002-.0020 .0010-.0040 .0020-.0060 .0040-.0100 .0060-.0100
Inconel 625/718 S   40-70 .0002-.0010 .0010-.0020 .0020-.0040 .0040-.0060 .0060-.0100
Stellite / Cobalt Chrome S   30-45 .0002-.0010 .0010-.0020 .0020-.0040 .0040-.0060 0060-.0200
Titanium 6Al-4V S   35-50 .0002-.0020 .0010-.0040 .0020-.0060 .0040-.0100 .0060-.0200
Cast Iron - Gray CG, ASTM A48, CLASS 20, 25, 30, 35, SAE J431C, GRADES G1800, G3000, G3500, GG 10, 15, 20, 25, 30, 35, 40 K   150-250 .0002-.0020 .0010-.0040 .0020-.0060 .0040-.0100 .0060-.0200
Cast Iron - Ductile & Malleable CGI 60-40-18, 65-45-12, D4018, D4512, D5506, 32510, 35108, M3210, M4504, M5503, 250, 300, 350, 400, 450 K   125-200 .0005-.0020 .0020-.0040 .0040-.0060 .0060-.0100 .0100-.0200
Cast Iron - (Martensitic) Hard K   50-75 .0002-.0010 .0010-.0020 .0020-.0040 0040-.0060 .0060-.0100
Aluminum/Aluminum Alloys N   500-1000 .0005-.0030 0020-.0060 .0040-.0100 .0060-.0150 0100-.0300
Brass/Bronze Free Machining N   250-400 .0005-.0020 .0020-.0040 .0040-.0060 .0060-.0100 .0100-.0200
Brass/Bronze (Hard) N   150-250 .0005-.0020 .0020-.0040 .0040-.0060 .0060-.0100 .0100-.0200
Magnesium/Magnesium Alloys/Plastics/Bakelite Plastic - Glass Filled N   500-1000 .0005-.0020 .0020-.0060 .0040-.0100 .0060-.0150 .0100-.0300
Copper/Hard Bronze N   100-150 .0002-.0010 .0010-.0020 .0020-.0040 .0040-.0060 .0060-.0100
Hardened Steels H   125-200 .0005-.0020 .0020-.0040 .0040-.0060 .0060-.0100 .0100-.0200
Hardened Steels H   50-125 .0002-.0010 .0010-.0020 .0020-.0040 .0040-.0060 .0060-.0100
Hardened Steels H   35-50 .0002-.0010 .0010-.0020 .0020-.0040 .0040-.0060 .0060-.0100
Hardened Steels H   15-35 .0002-.0010 .0010-.0020 .0020-.0040 .0040-.0060 .0060-.0100


Recommended Cutting Parameters (Metric)

  Reamer Diameter (mm)
Workplace Material Group ISO Hardness Vc-m/min F-mm/rev        
        > 1.5 >1.5 - 3.0 >3.0 - 6.0 >6.0 - 12.0 >12.0 - 25.0
Free Machining & Low Carbon Steels 1006, 1008, 1015, 1018, 1020, 1022, 1025, 1117, 1140, 1141, 11L08, 11L14, 1213, 12L13, 12L14, 1215, 1330 P up to 28 Rc 60-90 .010-.080 .050-.150 .100-.250 .150-.380 .250-.760
Medium Carbon & High Carbon Steels, Alloy Steels & Easy to Machine Tool Steels 1030, 1035, 1040, 1045, 1050, 1052, 1055, 1060, 1085, 1095, 1541, 1551, 9255, 2515, 3135, 3415, 4130, 4137, 4140, 4150, 4320, 4340, 4520, 5015, 5115, 5120, 5132, 5140, 5155, 6150, 8620, 9262, 9840, 52100, O1, O2, O6, S2, W1 to W310 P 28 to 38 Rc 40-60 .010-.050 .050-.100 .100-.150 .150-.250 .250-.510
Tool Steels & Die Steels O7, M1, M2, M3, M4, M7, T1, T2, T4, T5, T8, T15, A2, A3, A6, A7, H10, H11, H12, H13, H19, H21, L3, L6, L7, P2, P20, S1, S5, S7, 52100, A 128, D2, D3, D4, D5, D7 P 28 to 44 Rc 15-40 .010-.030 .030-.050 .050-.100 .100-.150 .150-.250
Stainless Steel - Free Machining / Austenitic 304/316 M up to 28 Rc 35-60 .010-.050 .050-.100 .100-.150 .150-.250 .250-.500
Stainless Steel - Ferritic / Martensitic M up to 28 Rc 25-35 .010-.050 .050-.100 .100-.150 .150-.250 .250-.500
Stainless Steel - Moderately Difficult 301, 302, 303 High Tensile, 304, 304L, 305, 420, 15-5PH, 17-4PH, 17-7PH M up to 28 Rc 20-30 .010-.050 .030-.100 .050-.150 .100-.250 .150-.500
Inconel 625/718 S < 40 Rc 15-20 .010-.030 .030-.050 .050-.100 .100-.150 .150-.250
Stellite / Cobalt Chrome S < 40 Rc 10-15 .010-.030 .030-.050 .050-.100 .100-.150 .150-.250
Titanium 6Al-4V S < 40 Rc 10-15 .010-.050 .030-.100 .050-.150 100-.250 .150-.500
Cast Iron - Gray CG, ASTM A48, CLASS 20, 25, 30, 35, SAE J431C, GRADES G1800, G3000, G3500, GG 10, 15, 20, 25, 30, 35, 40 K up to 240 HB 45-75 .010-.050 .030-.100 .050-.150 .100-.250 .150-.500
Cast Iron - Ductile & Malleable CGI 60-40-18, 65-45-12, D4018, D4512, D5506, 32510, 35108, M3210, M4504, M5503, 250, 300, 350, 400, 450 K over 240 HB 40-60 .010-.050 .050-.100 .100-.150 .150-.250 .250-.500
Cast Iron - (Martensitic) Hard K over 240 HB 15-25 .010-.030 .030-.050 .050-.100 .100-.150 .150-.250
Aluminum/Aluminum Alloys N over 240 HB 150-300 .010-.080 .050-.150 100-.250 .150-.380 .250-.760
Brass/Bronze Free Machining N over 240 HB 75-120 .010-.050 .050-.100 .100-.150 .150-.250 .250-.500
Brass/Bronze (Hard) N over 240 HB 45-75 .010-.050 .050-.100 .100-.150 .150-.250 .250-.500
Magnesium/Magnesium Alloys/Plastics/Bakelite Plastic - Glass Filled N over 240 HB 150-300 .010-.080 .050-.150 .100-.250 .150-.380 .250-.760
Copper/Hard Bronze N over 240 HB 30-45 .010-.030 030-.050 .050-.100 .100-.150 .150-.250
Hardened Steels H 23-32 Rc 40-60 .010-.050 .050-.100 100-.150 .150-.250 .250-.500
Hardened Steels H 32-43 Rc 15-40 .010-.030 .030-.050 .050-.100 .100-.150 .150-.250
Hardened Steels H 43-52 Rc 10-15 .010-.030 .030-.050 .050-.100 .100-.150 .150-.250
Hardened Steels H 50+ Rc 5-10 .010-.030 .030-.050 .050-.100 .100-.150 .150-.250


Total Stock Allowance (Inch)

  Drill Decimal Equivalent/Size
  0.0135 .029/.028 .055/.052 0.113 0.238 0.3594 0.4844 0.6094 0.7344 0.8594 .9844/1.480
  #80 #69/#70 #54/#55 #33 LET "B" 23/64 31/64 39/64 47/64 55/64 63/64
Material Reamer Diameter
  0.015 0.032 0.0625 0.125 0.25 0.375 0.5 0.625 0.75 0.875 1.000-1.500
  Total Stock Allowance
Magnesium 0.0014 0.003 0.006 0.011 0.012 0.015 0.016 0.018 0.02 0.021 0.022
Aluminum < 5% SI 0.0014 0.003 0.006 0.011 0.012 0.015 0.016 0.018 0.02 0.021 0.022
Aluminum >5% SI 0.0014 0.003 0.006 0.011 0.012 0.013 0.015 0.016 0.018 0.019 0.02
Brass 0.0014 0.003 0.006 0.011 0.012 0.013 0.015 0.016 0.018 0.019 0.02
Soft Bronze 0.0014 0.003 0.006 0.011 0.012 0.014 0.015 0.017 0.019 0.02 0.021
Copper & Hard Bronze 0.0014 0.003 0.006 0.011 0.012 0.014 0.015 0.017 0.019 0.02 0.021
Cast Iron (Cast) 0.0013 0.0028 0.0055 0.0099 0.011 0.013 0.014 0.016 0.018 0.019 0.02
Cast Iron (Ductile) 0.0013 0.0028 0.0055 0.0099 0.011 0.013 0.014 0.015 0.017 0.018 0.019
Steel <35% C 0.0013 0.0028 0.0055 0.0099 0.011 0.013 0.014 0.016 0.017 0.018 0.019
Steel >35% C 0.0012 0.0025 0.0049 0.0089 0.01 0.012 0.013 0.015 0.017 0.018 0.019
Steel (Tool) 0.0012 0.0025 0.0049 0.0089 0.01 0.012 0.013 0.015 0.017 0.018 0.019
Steel (Hard) 0.0009 0.002 0.004 0.0072 0.008 0.01 0.011 0.013 0.014 0.015 0.016
Stainless 0.0012 0.0025 0.0049 0.0089 0.01 0.012 0.013 0.015 0.016 0.017 0.018
High Temp Alloys (Soft) 0.0012 0.0025 0.0049 0.0089 0.01 0.011 0.013 0.014 0.016 0.017 0.018
Hight Temp Alloys (Hard) 0.001 0.0023 0.0044 0.0081 0.009 0.01 0.012 0.013 0.014 0.015 0.016
Titanium 0.0013 0.0028 0.0055 0.0099 0.011 0.013 0.014 0.016 0.017 0.018 0.019


Total Stock Allowance (Metric)

  Drill Size (mm)
  0.3 0.9 1.8 2.7 3.7 4.7 5.7 7.6 9.6 11.6 15.5
Material Reamer Diameter
  0.35 1 2 3 4 5 6 8 10 12 16
  Total stock Allowance
Magnesium 0.04 0.09 0.19 0.27 0.29 0.29 0.3 0.34 0.38 0.4 0.46
Aluminum <5% SI 0.04 0.09 0.19 0.27 0.29 0.29 0.3 0.34 0.38 0.4 0.46
Aluminum > 5% SI 0.04 0.09 0.19 0.27 0.29 0.29 0.3 0.32 0.34 0.37 0.41
Brass 0.04 0.09 0.19 0.27 0.29 0.29 0.3 0.32 0.34 0.37 0.41
Bronze 0.04 0.09 0.19 0.27 0.29 0.29 0.3 0.33 0.36 0.38 0.43
Copper & Hard Bronze 0.04 0.09 0.19 0.27 0.29 0.29 0.3 0.33 0.36 0.38 0.43
Cast Iron (Cast) 0.03 0.09 0.17 0.24 0.26 0.27 0.28 0.31 0.33 0.35 0.41
Cast Iron (Ductile) 0.03 0.09 0.17 0.24 0.26 0.27 0.28 0.31 0.33 0.35 0.38
Steel <35% C 0.03 0.09 0.17 0.24 0.26 0.27 0.28 0.31 0.33 0.35 0.41
Steel >35% C 0.03 0.08 0.15 0.21 0.23 0.24 0.25 0.28 0.31 0.32 0.38
Steel (Tool) 0.03 0.08 0.15 0.21 0.23 0.24 0.25 0.28 0.31 0.32 0.38
Steel (Hard) 0.02 0.06 0.12 0.17 0.19 0.19 0.2 0.23 0.26 0.27 0.33
Stainless 0.03 0.08 0.15 0.21 0.23 0.24 0.25 0.28 0.31 0.32 0.38
High Temp Alloys (Soft) 0.03 0.08 0.15 0.21 0.23 0.24 0.25 0.27 0.29 0.32 0.36
Hight Temp Alloys (Hard) 0.03 0.07 0.14 0.2 0.21 0.22 0.23 0.24 0.26 0.29 0.33
Titanium 0.03 0.09 0.17 0.24 0.26 0.27 0.28 0.31 0.33 0.35 0.41
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