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Home | Resources | Speeds and Feeds | Straight Flute Drills

Straight Flute Drills

Recommended Cutting Parameters

  Drill Diameter (Tool Series 200)
Workpiece Material Group ISO Hardness   Depth vc - SFM F-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   3 330 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   3 265 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   3 230 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
Hardened Steel H 45 to 65 Rc   3 50 0.0003 0.001 0.001 0.001 0.002 0.002 0.002 0.003
Stainless Steel - Moderately Difficult 301, 302, 303 High Tensile, 304, 304L, 305, 420, 15-5PH, 17-4PH, 17-7PH M up to 28 Rc   3 150 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
Stainless Steel - Difficult to Machine 302B, 304B, 309, 310, 316, 316B, 316L, 316Ti, 317, 317L, 321, PH13-8Mo, Nitronics M over 28 Rc   3 100 0.0003 0.0005 0.002 0.004 0.005 0.006 0.008 0.01
High Temp Alloys Nimonics, Inconel, Monel, Hastelloy S up to 42 Rc   3 70 0.0003 0.0005 0.002 0.004 0.005 0.006 0.008 0.01
Titanium Alloys 6Al-4V, 5Al-2.5 Sn, 6Al-2 Sn-4Zr-6Mo, 3Al-8V-6Cr4Mo-4Zr, 10V-2Fe-3Al, 13V-11Cr-3Al S up to 42 Rc   3 180 0.0003 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   3 365 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 over 240 HB   3 265 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
Plastics N     3 300 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
Kevlar/ Graphite N     3 300 0.001 0.002 0.003 0.006 0.008 0.01 0.011 0.012
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