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Jobber & Stud Drills

Recommended Cutting Parameters (Inch)

  Diameter
Workpiece Material Group ISO Hardness Depth SFM IPR              
          1/32 1/16 1/8 ¼ 3/8 ½ 5/8 ¾
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 Stub
Jobber		 175 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
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 Stub
Jobber		 165 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
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, A128, D2, D3, D4, D5, D7 P 28 to 44 Rc Stub
Jobber		 150 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
Stainless Steel - Easy to Machine 430F, 301, 303, 410, 416 Annealed, 420F, 430, 430F M up to 28 Rc Stub
Jobber		 195 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
Stainless Steel - Moderately Difficult 301, 302, 303 High Tensile, 304, 304L, 305, 420, 15-5PH, 17-4PH, 17-7PH M up to 28 Rc Stub
Jobber		 125 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
Plastics N   Stub
Jobber		 400 0.00025 0.0005 0.002 0.004 0.005 0.006 0.008 0.01
Kevlar/Graphite N   Stub
Jobber		 400 0.00025 0.0005 0.002 0.004 0.005 0.006 0.008 0.01
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 Stub
Jobber		 275 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
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 up to 240 HB Stub
Jobber		 175 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012


Recommended Cutting Parameters (Metric)

  Diameter
Workpiece Material Group ISO Hardness Depth m/min mm/Rev              
          1 1.5 3 6 10 12 16 20
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 Stub
Jobber		 55 0.025 0.05 0.076 0.152 0.203 0.254 0.275 0.305
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 Stub
Jobber		 50 0.025 0.05 0.076 0.152 0.203 0.254 0.275 0.305
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, A128, D2, D3, D4, D5, D7 P 28 to 44 Rc Stub
Jobber		 45 0.025 0.05 0.076 0.152 0.203 0.254 0.275 0.305
Stainless Steel - Easy to Machine 430F, 301, 303, 410, 416 Annealed, 420F, 430, 430F M up to 28 Rc Stub
Jobber		 60 0.025 0.05 0.076 0.152 0.203 0.254 0.275 0.305
Stainless Steel - Moderately Difficult 301, 302, 303 High Tensile, 304, 304L, 305, 420, 15-5PH, 17-4PH, 17-7PH M up to 28 Rc Stub
Jobber		 40 0.025 0.05 0.076 0.152 0.203 0.254 0.275 0.305
Plastics N   Stub
Jobber		 120 0.006 0.013 0.05 0.076 0.101 0.152 0.203 0.225
Kevlar/Graphite N   Stub
Jobber		 120 0.006 0.013 0.05 0.076 0.101 0.152 0.203 0.225
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 Stub
Jobber		 85 0.025 0.05 0.076 0.152 0.203 0.254 0.275 0.305
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 Stub
Jobber		 55 0.025 0.05 0.076 0.152 0.203 0.254 0.275 0.305
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